Abstract
The title complex, [Ni2(C42H46Cl2N6O2)(C2H3O2)]ClO4·2CH3CN, was synthesized by condensation of 2,6-diformyl-4-chlorophenol with N,N-bis(aminopropyl)benzylamine in the presence of NiII ions. The ligand is a 28-membered macrocycle with two identical pendant arms. The coordination geometries of the Ni atoms are both octahedral. The two Ni atoms are bridged by two phenolate O atoms of the macrocyclic ligand and one acetate ligand, with an Ni⋯Ni distance of 3.147 (4) Å.
Related literature
For related literature, see: Gou & Fenton (1994 ▶); Luo et al. (2002 ▶); Turonek et al. (1995 ▶); Zeng et al. (1998 ▶).
Experimental
Crystal data
[Ni2(C42H46Cl2N6O2)(C2H3O2)]ClO4·2C2H3N
M r = 1095.77
Monoclinic,
a = 16.7957 (14) Å
b = 17.2146 (15) Å
c = 18.0209 (15) Å
β = 99.305 (2)°
V = 5141.8 (8) Å3
Z = 4
Mo Kα radiation
μ = 0.95 mm−1
T = 273 (2) K
0.32 × 0.26 × 0.24 mm
Data collection
Bruker SMART APEX CCD diffractometer
Absorption correction: multi-scan (SADABS; Bruker, 2000 ▶) T min = 0.7, T max = 0.8
29289 measured reflections
10096 independent reflections
7248 reflections with I > 2σ(I)
R int = 0.041
Refinement
R[F 2 > 2σ(F 2)] = 0.061
wR(F 2) = 0.158
S = 1.08
10096 reflections
623 parameters
H-atom parameters constrained
Δρmax = 0.81 e Å−3
Δρmin = −0.98 e Å−3
Data collection: SMART (Bruker, 2000 ▶); cell refinement: SAINT (Bruker, 2000 ▶); data reduction: SAINT; program(s) used to solve structure: SHELXTL (Bruker, 2000 ▶); program(s) used to refine structure: SHELXTL; molecular graphics: SHELXTL; software used to prepare material for publication: SHELXTL.
Supplementary Material
Crystal structure: contains datablocks global, I. DOI: 10.1107/S1600536807061399/hg2351sup1.cif
Structure factors: contains datablocks I. DOI: 10.1107/S1600536807061399/hg2351Isup2.hkl
Additional supplementary materials: crystallographic information; 3D view; checkCIF report
Acknowledgments
The authors thank the National Science Foundation of China (No. 20271039).
supplementary crystallographic information
Comment
Pendant-arm marocyclic complexes have attracted much interest in recent decades. Because there is a concept that, by having pendant arm attached at appropriate positions on the macrocyclic framework, an "opened cryptand" would result, leading to modified complexation property over the corresponding clathrochelates or simple macrocyclic precursors (Zeng et al., 1998). Transition metal complexes with pendant-arm ligands, usually synthesized by cyclocondensation of 2,6-diformyl-4- chlorophenol and diamine the stepwise template reaction, have been studies extensively (Luo et al., 2002, Zeng et al., 1998). However, the dinuclear nickel complex of this ligand(I) has not been published. Here, we report the synthesis and crystal structure of the complex.
The crystal structure is composed of complex cations, perchlorate anions and solvent acetonitrile molecules. Neither the perchlorate ion nor the acetonitrile molecules participate in coordination of the Ni atoms. The complex cation is extremely twisted owing to the flexility of macrocyclic ligand as well as the requirement of Ni coordination with donor atoms. The structure of (I) is shown in Fig. 1. The coordination geometry of Ni1 is similar to that of Ni2. The coordination polyhedron around Ni1 is a distorted octahedron, whose equatorial plane is formed by one imine N6, one tertiary N5, two phenolate O1 and O2 with the mean deviation of 0.0541 (4) Å. The axial positions are occupied by N4 and O3, respectively. the band length of Ni1—O is fall in the range 2.033 (3)–2.082 (3) Å, but the two Ni1—N(imine) bonds[2.081 (4) and 2.092 (3) Å, respectively] are shorter significantly than the Ni1—N(tertiary) [2.201 (3) Å]. The Ni···Ni separation is 3.147 (4) Å. The two benzyl groups attached to N2 and N5 respectively are cis to each other.
Experimental
2,6-diformyl-4-chlorophenol was prepared by a modification of the literature method (Gou & Fenton, 1994). N,N-bis(aminopropyl)- benzylamine prepared by literature method of (Turonek et al., 1995). The title complex was synthesized by the following procedure: 0.5 mmol N,N-bis(aminopropyl)-benzylamine in 15 ml of absolute methanol was added dropwise to a methanol solution (30 ml) containing 0.5 mmol 2,6-diformyl-4-methylphenol and 0.5 mmol Ni(OAc)2.H2O. After stirring the mixture for 10 h at room temperature, a green solution formed. A methanol solution (10 ml) containing Ni(ClO4)2.4H2O(0.5 mmol) was added dropwise. A yellow-green solution was produced after stirring at room temperature for 4 h. Green needle-shaped crystals suitable for X-ray diffraction were obtained by slow evaporation from acetonitrile over three days.
Refinement
All H atoms for C—H distances were placed in calculated positions in the range 0.93–0.97 Å, and included in the refinement in the riding-model approximation, with Uiso(H) = 1.2–1.5 Ueq(C).
Figures
Fig. 1.
A view of the title complex, showing the labeling of the non-H atoms and 30% probability ellipsoids. H atoms have been omitted.
Crystal data
| [Ni2(C42H46Cl2N6O2)(C2H3O2)]ClO4·2C2H3N | F000 = 2280 |
| Mr = 1095.77 | Dx = 1.415 Mg m−3 |
| Monoclinic, P21/n | Mo Kα radiation λ = 0.71073 Å |
| Hall symbol: -P 2yn | Cell parameters from 5427 reflections |
| a = 16.7957 (14) Å | θ = 2.2–26.0º |
| b = 17.2146 (15) Å | µ = 0.95 mm−1 |
| c = 18.0209 (15) Å | T = 273 (2) K |
| β = 99.305 (2)º | Needle, green |
| V = 5141.8 (8) Å3 | 0.32 × 0.26 × 0.24 mm |
| Z = 4 |
Data collection
| Bruker SMART APEX CCD diffractometer | 10096 independent reflections |
| Radiation source: sealed tube | 7248 reflections with I > 2σ(I) |
| Monochromator: graphite | Rint = 0.041 |
| T = 273(2) K | θmax = 26.0º |
| phi and ω scans | θmin = 2.2º |
| Absorption correction: multi-scan(SADABS; Bruker, 2000) | h = −16→20 |
| Tmin = 0.7, Tmax = 0.8 | k = −19→21 |
| 29289 measured reflections | l = −22→22 |
Refinement
| Refinement on F2 | Secondary atom site location: difference Fourier map |
| Least-squares matrix: full | Hydrogen site location: inferred from neighbouring sites |
| R[F2 > 2σ(F2)] = 0.061 | H-atom parameters constrained |
| wR(F2) = 0.158 | w = 1/[σ2(Fo2) + (0.080P)2 + 1.990P] where P = (Fo2 + 2Fc2)/3 |
| S = 1.08 | (Δ/σ)max < 0.001 |
| 10096 reflections | Δρmax = 0.81 e Å−3 |
| 623 parameters | Δρmin = −0.98 e Å−3 |
| Primary atom site location: structure-invariant direct methods | Extinction correction: none |
Special details
| Geometry. All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell e.s.d.'s are taken into account individually in the estimation of e.s.d.'s in distances, angles and torsion angles; correlations between e.s.d.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell e.s.d.'s is used for estimating e.s.d.'s involving l.s. planes. |
| Refinement. Refinement of F2 against ALL reflections. The weighted R-factor wR and goodness of fit S are based on F2, conventional R-factors R are based on F, with F set to zero for negative F2. The threshold expression of F2 > σ(F2) is used only for calculating R-factors(gt) etc. and is not relevant to the choice of reflections for refinement. R-factors based on F2 are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger. |
Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2)
| x | y | z | Uiso*/Ueq | ||
| C1 | 0.5447 (2) | 0.4856 (2) | 0.3737 (2) | 0.0384 (8) | |
| C2 | 0.6266 (3) | 0.5068 (2) | 0.3850 (2) | 0.0433 (9) | |
| C3 | 0.6790 (3) | 0.4856 (3) | 0.4510 (2) | 0.0504 (11) | |
| H3 | 0.7328 | 0.5010 | 0.4588 | 0.060* | |
| C4 | 0.6471 (3) | 0.4392 (2) | 0.5066 (2) | 0.0437 (9) | |
| C5 | 0.5708 (3) | 0.4157 (2) | 0.4929 (2) | 0.0466 (10) | |
| H5 | 0.5513 | 0.3851 | 0.5285 | 0.056* | |
| C6 | 0.5182 (3) | 0.4354 (2) | 0.4263 (2) | 0.0414 (9) | |
| C7 | 0.4348 (3) | 0.4073 (2) | 0.4149 (2) | 0.0441 (10) | |
| H7 | 0.4104 | 0.3986 | 0.4570 | 0.053* | |
| C8 | 0.3076 (2) | 0.3736 (3) | 0.3447 (2) | 0.0441 (10) | |
| H8A | 0.2761 | 0.4198 | 0.3293 | 0.053* | |
| H8B | 0.2976 | 0.3597 | 0.3945 | 0.053* | |
| C9 | 0.2760 (3) | 0.3071 (3) | 0.2904 (3) | 0.0587 (12) | |
| H9A | 0.2184 | 0.3020 | 0.2897 | 0.070* | |
| H9B | 0.3011 | 0.2590 | 0.3100 | 0.070* | |
| C10 | 0.2912 (3) | 0.3175 (3) | 0.2086 (2) | 0.0449 (10) | |
| H10A | 0.2648 | 0.2748 | 0.1792 | 0.054* | |
| H10B | 0.2643 | 0.3648 | 0.1891 | 0.054* | |
| C11 | 0.4153 (3) | 0.2448 (2) | 0.2070 (3) | 0.0480 (10) | |
| H11A | 0.4513 | 0.2384 | 0.1704 | 0.058* | |
| H11B | 0.3749 | 0.2041 | 0.1982 | 0.058* | |
| C12 | 0.4646 (3) | 0.2343 (3) | 0.2870 (3) | 0.0528 (11) | |
| H12A | 0.4307 | 0.2494 | 0.3233 | 0.063* | |
| H12B | 0.4769 | 0.1796 | 0.2946 | 0.063* | |
| C13 | 0.5404 (3) | 0.2781 (3) | 0.3032 (3) | 0.0536 (11) | |
| H13A | 0.5496 | 0.2934 | 0.3556 | 0.064* | |
| H13B | 0.5847 | 0.2449 | 0.2947 | 0.064* | |
| C14 | 0.5897 (3) | 0.3469 (3) | 0.2101 (3) | 0.0495 (10) | |
| H14 | 0.6267 | 0.3062 | 0.2151 | 0.059* | |
| C15 | 0.5962 (3) | 0.4036 (2) | 0.1500 (2) | 0.0457 (10) | |
| C16 | 0.6554 (3) | 0.3915 (3) | 0.1043 (2) | 0.0472 (10) | |
| H16 | 0.6873 | 0.3472 | 0.1118 | 0.057* | |
| C17 | 0.6677 (3) | 0.4424 (3) | 0.0493 (2) | 0.0490 (11) | |
| C18 | 0.6236 (3) | 0.5072 (3) | 0.0399 (2) | 0.0471 (10) | |
| H18 | 0.6330 | 0.5419 | 0.0028 | 0.056* | |
| C19 | 0.5643 (3) | 0.5255 (2) | 0.0825 (2) | 0.0440 (10) | |
| C20 | 0.5473 (2) | 0.4692 (3) | 0.1378 (2) | 0.0427 (9) | |
| C21 | 0.5214 (3) | 0.5981 (3) | 0.0724 (3) | 0.0547 (12) | |
| H21 | 0.5127 | 0.6200 | 0.0246 | 0.066* | |
| C22 | 0.4451 (3) | 0.7055 (3) | 0.1046 (3) | 0.0513 (11) | |
| H22A | 0.3897 | 0.6932 | 0.1094 | 0.062* | |
| H22B | 0.4457 | 0.7186 | 0.0524 | 0.062* | |
| C23 | 0.4703 (3) | 0.7769 (3) | 0.1520 (2) | 0.0480 (10) | |
| H23A | 0.4356 | 0.8200 | 0.1334 | 0.058* | |
| H23B | 0.5251 | 0.7907 | 0.1467 | 0.058* | |
| C24 | 0.4660 (3) | 0.7642 (2) | 0.2374 (2) | 0.0438 (9) | |
| H24A | 0.4738 | 0.8141 | 0.2623 | 0.053* | |
| H24B | 0.4119 | 0.7468 | 0.2413 | 0.053* | |
| C25 | 0.6092 (3) | 0.7352 (3) | 0.2870 (2) | 0.0491 (11) | |
| H25A | 0.6374 | 0.7196 | 0.3360 | 0.059* | |
| H25B | 0.6077 | 0.7915 | 0.2866 | 0.059* | |
| C26 | 0.6611 (3) | 0.7089 (3) | 0.2275 (2) | 0.0527 (12) | |
| H26A | 0.6321 | 0.7218 | 0.1780 | 0.063* | |
| H26B | 0.7107 | 0.7388 | 0.2350 | 0.063* | |
| C27 | 0.6823 (3) | 0.6259 (3) | 0.2279 (3) | 0.0508 (11) | |
| H27A | 0.7379 | 0.6194 | 0.2519 | 0.061* | |
| H27B | 0.6779 | 0.6077 | 0.1765 | 0.061* | |
| C28 | 0.6636 (3) | 0.5506 (3) | 0.3313 (2) | 0.0467 (10) | |
| H28 | 0.7187 | 0.5596 | 0.3441 | 0.056* | |
| C29 | 0.3746 (3) | 0.3459 (3) | 0.1126 (2) | 0.0484 (10) | |
| H29A | 0.3524 | 0.3979 | 0.1061 | 0.058* | |
| H29B | 0.4303 | 0.3487 | 0.1046 | 0.058* | |
| C30 | 0.3289 (3) | 0.2947 (3) | 0.0519 (2) | 0.0500 (11) | |
| C31 | 0.3671 (3) | 0.2357 (3) | 0.0197 (3) | 0.0542 (11) | |
| H31 | 0.4209 | 0.2244 | 0.0374 | 0.065* | |
| C32 | 0.3247 (3) | 0.1931 (3) | −0.0397 (3) | 0.0491 (10) | |
| H32 | 0.3497 | 0.1515 | −0.0594 | 0.059* | |
| C33 | 0.2477 (3) | 0.2114 (2) | −0.0690 (3) | 0.0462 (10) | |
| H33 | 0.2216 | 0.1849 | −0.1110 | 0.055* | |
| C34 | 0.2073 (3) | 0.2696 (2) | −0.0366 (2) | 0.0432 (9) | |
| H34 | 0.1534 | 0.2805 | −0.0546 | 0.052* | |
| C35 | 0.2489 (3) | 0.3106 (3) | 0.0226 (3) | 0.0552 (12) | |
| H35 | 0.2227 | 0.3504 | 0.0439 | 0.066* | |
| C36 | 0.5011 (3) | 0.6952 (3) | 0.3556 (2) | 0.0460 (10) | |
| H36A | 0.5317 | 0.6517 | 0.3795 | 0.055* | |
| H36B | 0.4446 | 0.6803 | 0.3479 | 0.055* | |
| C37 | 0.5120 (3) | 0.7639 (3) | 0.4106 (3) | 0.0527 (11) | |
| C38 | 0.4489 (3) | 0.8212 (3) | 0.4079 (3) | 0.0478 (10) | |
| H38 | 0.4029 | 0.8176 | 0.3716 | 0.057* | |
| C39 | 0.4566 (3) | 0.8796 (3) | 0.4576 (2) | 0.0455 (10) | |
| H39 | 0.4172 | 0.9180 | 0.4536 | 0.055* | |
| C40 | 0.5231 (2) | 0.8839 (2) | 0.5158 (2) | 0.0428 (10) | |
| H40 | 0.5266 | 0.9232 | 0.5516 | 0.051* | |
| C41 | 0.5814 (3) | 0.8304 (2) | 0.5188 (2) | 0.0431 (10) | |
| H41 | 0.6255 | 0.8334 | 0.5573 | 0.052* | |
| C42 | 0.5786 (3) | 0.7691 (3) | 0.4654 (2) | 0.0463 (10) | |
| H42 | 0.6207 | 0.7337 | 0.4677 | 0.056* | |
| C43 | 0.3289 (2) | 0.5568 (2) | 0.2186 (2) | 0.0410 (9) | |
| C44 | 0.2420 (3) | 0.5854 (3) | 0.2063 (2) | 0.0459 (10) | |
| H44A | 0.2380 | 0.6304 | 0.2370 | 0.069* | |
| H44B | 0.2075 | 0.5452 | 0.2200 | 0.069* | |
| H44C | 0.2258 | 0.5986 | 0.1544 | 0.069* | |
| C46 | 0.5706 (3) | 1.0022 (3) | 0.8446 (3) | 0.0529 (11) | |
| C48 | 0.6614 (3) | 0.9861 (3) | 0.2799 (2) | 0.0444 (10) | |
| C111 | 0.5752 (3) | 0.9916 (3) | 0.9238 (3) | 0.0587 (12) | |
| H7A | 0.5754 | 0.9404 | 0.9343 | 0.088* | |
| H7B | 0.6210 | 1.0134 | 0.9477 | 0.088* | |
| H7C | 0.5325 | 1.0142 | 0.9393 | 0.088* | |
| C112 | 0.6952 (3) | 0.9316 (3) | 0.2343 (2) | 0.0481 (10) | |
| H8C | 0.6900 | 0.8833 | 0.2521 | 0.072* | |
| H8D | 0.6693 | 0.9345 | 0.1865 | 0.072* | |
| H8E | 0.7478 | 0.9424 | 0.2356 | 0.072* | |
| Cl1 | 0.70869 (8) | 0.41975 (7) | 0.58362 (7) | 0.0568 (3) | |
| Cl2 | 0.73998 (8) | 0.42420 (7) | −0.00057 (7) | 0.0620 (3) | |
| Cl3 | 0.64598 (7) | 0.15587 (6) | 0.06422 (6) | 0.0473 (3) | |
| N1 | 0.6295 (2) | 0.5785 (2) | 0.2680 (2) | 0.0492 (9) | |
| N2 | 0.5251 (2) | 0.7073 (2) | 0.2805 (2) | 0.0444 (8) | |
| N3 | 0.4957 (2) | 0.6330 (2) | 0.1232 (2) | 0.0467 (9) | |
| N4 | 0.5390 (2) | 0.3470 (2) | 0.25636 (19) | 0.0436 (8) | |
| N5 | 0.3744 (2) | 0.3212 (2) | 0.1943 (2) | 0.0457 (8) | |
| N6 | 0.3943 (2) | 0.3941 (2) | 0.3504 (2) | 0.0432 (8) | |
| N7 | 0.6331 (2) | 1.0322 (2) | 0.3179 (2) | 0.0484 (9) | |
| N8 | 0.5666 (2) | 1.0108 (2) | 0.7794 (2) | 0.0506 (9) | |
| Ni1 | 0.43937 (3) | 0.42058 (3) | 0.25238 (3) | 0.03695 (14) | |
| Ni2 | 0.50518 (3) | 0.58905 (3) | 0.23164 (3) | 0.03986 (15) | |
| O1 | 0.49362 (17) | 0.51229 (16) | 0.31702 (15) | 0.0408 (6) | |
| O2 | 0.48682 (16) | 0.48320 (16) | 0.17442 (15) | 0.0418 (6) | |
| O3 | 0.33703 (18) | 0.48490 (17) | 0.22122 (18) | 0.0493 (7) | |
| O4 | 0.38232 (19) | 0.60574 (17) | 0.22422 (17) | 0.0496 (7) | |
| O11 | 0.64001 (18) | 0.06817 (17) | 0.08605 (17) | 0.0492 (7) | |
| O12 | 0.70489 (18) | 0.19800 (17) | 0.11967 (17) | 0.0481 (7) | |
| O13 | 0.56391 (17) | 0.19927 (16) | 0.06237 (16) | 0.0445 (7) | |
| O14 | 0.68326 (18) | 0.16370 (17) | −0.00305 (16) | 0.0476 (7) |
Atomic displacement parameters (Å2)
| U11 | U22 | U33 | U12 | U13 | U23 | |
| C1 | 0.043 (2) | 0.0327 (19) | 0.039 (2) | 0.0000 (16) | 0.0061 (17) | 0.0031 (16) |
| C2 | 0.050 (2) | 0.037 (2) | 0.043 (2) | 0.0014 (18) | 0.0087 (19) | 0.0033 (17) |
| C3 | 0.055 (3) | 0.053 (3) | 0.040 (2) | 0.005 (2) | 0.000 (2) | −0.0005 (19) |
| C4 | 0.043 (2) | 0.040 (2) | 0.049 (2) | 0.0114 (17) | 0.0092 (18) | 0.0056 (18) |
| C5 | 0.061 (3) | 0.041 (2) | 0.038 (2) | 0.0020 (19) | 0.0070 (19) | −0.0003 (17) |
| C6 | 0.054 (3) | 0.037 (2) | 0.034 (2) | 0.0032 (18) | 0.0107 (18) | 0.0008 (16) |
| C7 | 0.051 (3) | 0.035 (2) | 0.048 (2) | −0.0010 (18) | 0.013 (2) | 0.0031 (17) |
| C8 | 0.039 (2) | 0.058 (3) | 0.040 (2) | −0.0178 (19) | 0.0186 (18) | 0.0039 (18) |
| C9 | 0.059 (3) | 0.057 (3) | 0.061 (3) | −0.020 (2) | 0.012 (2) | 0.002 (2) |
| C10 | 0.052 (3) | 0.042 (2) | 0.038 (2) | −0.0114 (19) | −0.0018 (18) | −0.0038 (17) |
| C11 | 0.039 (2) | 0.041 (2) | 0.060 (3) | −0.0062 (18) | −0.002 (2) | 0.007 (2) |
| C12 | 0.048 (3) | 0.055 (3) | 0.052 (3) | 0.011 (2) | −0.004 (2) | 0.016 (2) |
| C13 | 0.055 (3) | 0.050 (3) | 0.053 (3) | 0.010 (2) | 0.002 (2) | 0.007 (2) |
| C14 | 0.045 (2) | 0.050 (2) | 0.051 (2) | 0.0066 (19) | 0.000 (2) | −0.003 (2) |
| C15 | 0.051 (3) | 0.042 (2) | 0.043 (2) | −0.0012 (18) | 0.0052 (19) | −0.0095 (17) |
| C16 | 0.047 (2) | 0.042 (2) | 0.055 (3) | −0.0082 (18) | 0.014 (2) | −0.0110 (19) |
| C17 | 0.055 (3) | 0.047 (2) | 0.044 (2) | −0.018 (2) | 0.008 (2) | −0.0114 (19) |
| C18 | 0.053 (3) | 0.044 (2) | 0.044 (2) | −0.021 (2) | 0.010 (2) | −0.0078 (18) |
| C19 | 0.050 (3) | 0.046 (2) | 0.035 (2) | −0.0175 (19) | 0.0041 (18) | −0.0001 (17) |
| C20 | 0.038 (2) | 0.051 (2) | 0.039 (2) | −0.0065 (18) | 0.0061 (17) | 0.0036 (18) |
| C21 | 0.060 (3) | 0.059 (3) | 0.043 (2) | −0.005 (2) | 0.002 (2) | 0.011 (2) |
| C22 | 0.043 (2) | 0.058 (3) | 0.050 (2) | 0.004 (2) | −0.001 (2) | 0.012 (2) |
| C23 | 0.046 (2) | 0.051 (2) | 0.047 (2) | −0.0090 (19) | 0.0079 (19) | 0.0175 (19) |
| C24 | 0.048 (2) | 0.043 (2) | 0.042 (2) | 0.0093 (18) | 0.0145 (19) | 0.0119 (18) |
| C25 | 0.060 (3) | 0.047 (2) | 0.043 (2) | −0.014 (2) | 0.017 (2) | −0.0071 (19) |
| C26 | 0.058 (3) | 0.059 (3) | 0.044 (2) | −0.021 (2) | 0.018 (2) | 0.015 (2) |
| C27 | 0.054 (3) | 0.052 (3) | 0.049 (2) | −0.020 (2) | 0.015 (2) | 0.006 (2) |
| C28 | 0.039 (2) | 0.055 (3) | 0.045 (2) | −0.0066 (19) | 0.0055 (18) | 0.004 (2) |
| C29 | 0.045 (2) | 0.049 (2) | 0.044 (2) | −0.0147 (19) | −0.0133 (19) | 0.0090 (19) |
| C30 | 0.053 (3) | 0.051 (3) | 0.042 (2) | −0.014 (2) | −0.007 (2) | −0.0004 (19) |
| C31 | 0.044 (3) | 0.058 (3) | 0.059 (3) | −0.004 (2) | 0.007 (2) | 0.000 (2) |
| C32 | 0.041 (2) | 0.043 (2) | 0.064 (3) | 0.0026 (18) | 0.011 (2) | −0.003 (2) |
| C33 | 0.040 (2) | 0.044 (2) | 0.052 (2) | −0.0163 (18) | −0.0002 (19) | −0.0088 (19) |
| C34 | 0.038 (2) | 0.046 (2) | 0.042 (2) | −0.0115 (17) | −0.0052 (17) | −0.0014 (18) |
| C35 | 0.049 (3) | 0.047 (3) | 0.063 (3) | −0.011 (2) | −0.013 (2) | −0.007 (2) |
| C36 | 0.040 (2) | 0.050 (2) | 0.049 (2) | −0.0181 (19) | 0.0121 (19) | 0.0007 (19) |
| C37 | 0.044 (3) | 0.048 (2) | 0.067 (3) | −0.011 (2) | 0.014 (2) | 0.001 (2) |
| C38 | 0.042 (2) | 0.051 (2) | 0.053 (2) | −0.0150 (19) | 0.014 (2) | −0.013 (2) |
| C39 | 0.047 (2) | 0.042 (2) | 0.049 (2) | 0.0074 (18) | 0.0093 (19) | −0.0139 (18) |
| C40 | 0.042 (2) | 0.049 (2) | 0.041 (2) | −0.0155 (19) | 0.0162 (18) | −0.0165 (18) |
| C41 | 0.044 (2) | 0.044 (2) | 0.042 (2) | −0.0215 (18) | 0.0106 (18) | −0.0119 (17) |
| C42 | 0.050 (3) | 0.043 (2) | 0.046 (2) | −0.0134 (19) | 0.0082 (19) | −0.0047 (18) |
| C43 | 0.040 (2) | 0.039 (2) | 0.044 (2) | 0.0084 (17) | 0.0056 (17) | 0.0072 (17) |
| C44 | 0.043 (2) | 0.056 (3) | 0.038 (2) | 0.0119 (19) | 0.0066 (18) | 0.0082 (18) |
| C46 | 0.040 (2) | 0.047 (3) | 0.072 (3) | −0.0084 (19) | 0.011 (2) | −0.005 (2) |
| C48 | 0.047 (2) | 0.047 (2) | 0.043 (2) | −0.0166 (18) | 0.0157 (19) | −0.0142 (18) |
| C111 | 0.053 (3) | 0.048 (3) | 0.069 (3) | −0.014 (2) | −0.008 (2) | −0.009 (2) |
| C112 | 0.049 (2) | 0.045 (2) | 0.049 (2) | 0.0059 (19) | 0.004 (2) | 0.0067 (19) |
| Cl1 | 0.0675 (8) | 0.0461 (6) | 0.0541 (6) | 0.0129 (5) | 0.0015 (5) | −0.0038 (5) |
| Cl2 | 0.0666 (8) | 0.0560 (7) | 0.0645 (7) | 0.0165 (6) | 0.0137 (6) | 0.0127 (6) |
| Cl3 | 0.0482 (6) | 0.0417 (5) | 0.0497 (6) | 0.0084 (4) | 0.0013 (4) | 0.0062 (4) |
| N1 | 0.0360 (19) | 0.061 (2) | 0.051 (2) | −0.0126 (16) | 0.0080 (16) | 0.0057 (17) |
| N2 | 0.0396 (19) | 0.0402 (18) | 0.054 (2) | −0.0043 (15) | 0.0079 (16) | 0.0092 (15) |
| N3 | 0.0375 (19) | 0.049 (2) | 0.051 (2) | −0.0089 (15) | −0.0018 (16) | 0.0133 (17) |
| N4 | 0.048 (2) | 0.0424 (19) | 0.0374 (18) | 0.0069 (15) | −0.0029 (16) | 0.0008 (14) |
| N5 | 0.045 (2) | 0.0403 (19) | 0.048 (2) | −0.0078 (15) | −0.0030 (16) | 0.0002 (15) |
| N6 | 0.045 (2) | 0.0385 (18) | 0.047 (2) | −0.0050 (15) | 0.0108 (16) | 0.0077 (15) |
| N7 | 0.047 (2) | 0.050 (2) | 0.049 (2) | −0.0150 (16) | 0.0102 (17) | −0.0119 (17) |
| N8 | 0.045 (2) | 0.053 (2) | 0.057 (2) | −0.0151 (17) | 0.0171 (18) | 0.0003 (18) |
| Ni1 | 0.0350 (3) | 0.0339 (3) | 0.0409 (3) | −0.00144 (19) | 0.0027 (2) | 0.0042 (2) |
| Ni2 | 0.0403 (3) | 0.0377 (3) | 0.0403 (3) | −0.0052 (2) | 0.0027 (2) | 0.0072 (2) |
| O1 | 0.0424 (15) | 0.0386 (14) | 0.0391 (15) | −0.0069 (12) | −0.0002 (12) | 0.0029 (11) |
| O2 | 0.0382 (15) | 0.0452 (16) | 0.0422 (15) | −0.0033 (12) | 0.0071 (12) | 0.0042 (12) |
| O3 | 0.0396 (16) | 0.0440 (17) | 0.0633 (19) | −0.0017 (13) | 0.0055 (14) | 0.0025 (14) |
| O4 | 0.0487 (18) | 0.0436 (17) | 0.0556 (18) | 0.0033 (14) | 0.0056 (14) | 0.0090 (14) |
| O11 | 0.0451 (17) | 0.0441 (16) | 0.0544 (18) | −0.0075 (13) | −0.0042 (14) | 0.0017 (13) |
| O12 | 0.0498 (18) | 0.0424 (16) | 0.0535 (18) | −0.0031 (13) | 0.0120 (14) | 0.0082 (13) |
| O13 | 0.0435 (16) | 0.0440 (16) | 0.0451 (15) | −0.0043 (12) | 0.0047 (13) | 0.0107 (13) |
| O14 | 0.0449 (17) | 0.0519 (17) | 0.0470 (16) | −0.0004 (13) | 0.0102 (13) | 0.0050 (13) |
Geometric parameters (Å, °)
| C1—O1 | 1.306 (5) | C27—N1 | 1.478 (5) |
| C1—C2 | 1.405 (6) | C27—H27A | 0.9700 |
| C1—C6 | 1.407 (5) | C27—H27B | 0.9700 |
| C2—C3 | 1.408 (6) | C28—N1 | 1.285 (6) |
| C2—C28 | 1.445 (6) | C28—H28 | 0.9300 |
| C3—C4 | 1.450 (6) | C29—C30 | 1.514 (6) |
| C3—H3 | 0.9300 | C29—N5 | 1.533 (5) |
| C4—C5 | 1.328 (6) | C29—H29A | 0.9700 |
| C4—Cl1 | 1.626 (4) | C29—H29B | 0.9700 |
| C5—C6 | 1.413 (6) | C30—C31 | 1.378 (7) |
| C5—H5 | 0.9300 | C30—C35 | 1.389 (6) |
| C6—C7 | 1.465 (6) | C31—C32 | 1.394 (7) |
| C7—N6 | 1.270 (6) | C31—H31 | 0.9300 |
| C7—H7 | 0.9300 | C32—C33 | 1.353 (6) |
| C8—N6 | 1.484 (5) | C32—H32 | 0.9300 |
| C8—C9 | 1.543 (6) | C33—C34 | 1.390 (6) |
| C8—H8A | 0.9700 | C33—H33 | 0.9300 |
| C8—H8B | 0.9700 | C34—C35 | 1.372 (6) |
| C9—C10 | 1.546 (6) | C34—H34 | 0.9300 |
| C9—H9A | 0.9700 | C35—H35 | 0.9300 |
| C9—H9B | 0.9700 | C36—N2 | 1.488 (5) |
| C10—N5 | 1.462 (6) | C36—C37 | 1.534 (6) |
| C10—H10A | 0.9700 | C36—H36A | 0.9700 |
| C10—H10B | 0.9700 | C36—H36B | 0.9700 |
| C11—N5 | 1.485 (5) | C37—C42 | 1.369 (6) |
| C11—C12 | 1.553 (6) | C37—C38 | 1.444 (7) |
| C11—H11A | 0.9700 | C38—C39 | 1.338 (6) |
| C11—H11B | 0.9700 | C38—H38 | 0.9300 |
| C12—C13 | 1.468 (7) | C39—C40 | 1.406 (6) |
| C12—H12A | 0.9700 | C39—H39 | 0.9300 |
| C12—H12B | 0.9700 | C40—C41 | 1.338 (6) |
| C13—N4 | 1.452 (6) | C40—H40 | 0.9300 |
| C13—H13A | 0.9700 | C41—C42 | 1.423 (6) |
| C13—H13B | 0.9700 | C41—H41 | 0.9300 |
| C14—N4 | 1.283 (6) | C42—H42 | 0.9300 |
| C14—C15 | 1.476 (6) | C43—O4 | 1.224 (5) |
| C14—H14 | 0.9300 | C43—O3 | 1.245 (5) |
| C15—C20 | 1.394 (6) | C43—C44 | 1.521 (6) |
| C15—C16 | 1.405 (6) | C44—H44A | 0.9600 |
| C16—C17 | 1.363 (6) | C44—H44B | 0.9600 |
| C16—H16 | 0.9300 | C44—H44C | 0.9600 |
| C17—C18 | 1.335 (7) | C46—N8 | 1.175 (6) |
| C17—Cl2 | 1.652 (5) | C46—C111 | 1.430 (7) |
| C18—C19 | 1.388 (6) | C48—N7 | 1.195 (5) |
| C18—H18 | 0.9300 | C48—C112 | 1.424 (6) |
| C19—C21 | 1.440 (7) | C111—H7A | 0.8999 |
| C19—C20 | 1.450 (6) | C111—H7B | 0.8999 |
| C20—O2 | 1.320 (5) | C111—H7C | 0.9001 |
| C21—N3 | 1.230 (6) | C112—H8C | 0.9000 |
| C21—H21 | 0.9300 | C112—H8D | 0.9000 |
| C22—N3 | 1.517 (6) | C112—H8E | 0.9000 |
| C22—C23 | 1.518 (7) | Cl3—O14 | 1.458 (3) |
| C22—H22A | 0.9700 | Cl3—O12 | 1.478 (3) |
| C22—H22B | 0.9700 | Cl3—O13 | 1.564 (3) |
| C23—C24 | 1.566 (6) | Cl3—O11 | 1.567 (3) |
| C23—H23A | 0.9700 | N1—Ni2 | 2.092 (4) |
| C23—H23B | 0.9700 | N2—Ni2 | 2.222 (4) |
| C24—N2 | 1.515 (5) | N3—Ni2 | 2.078 (4) |
| C24—H24A | 0.9700 | N4—Ni1 | 2.091 (4) |
| C24—H24B | 0.9700 | N5—Ni1 | 2.200 (3) |
| C25—N2 | 1.479 (6) | N6—Ni1 | 2.082 (3) |
| C25—C26 | 1.556 (6) | Ni1—O2 | 2.033 (3) |
| C25—H25A | 0.9700 | Ni1—O3 | 2.046 (3) |
| C25—H25B | 0.9700 | Ni1—O1 | 2.082 (3) |
| C26—C27 | 1.471 (7) | Ni2—O1 | 2.061 (3) |
| C26—H26A | 0.9700 | Ni2—O4 | 2.066 (3) |
| C26—H26B | 0.9700 | Ni2—O2 | 2.092 (3) |
| O1—C1—C2 | 121.8 (3) | C30—C31—H31 | 120.1 |
| O1—C1—C6 | 120.2 (4) | C32—C31—H31 | 120.1 |
| C2—C1—C6 | 118.0 (4) | C33—C32—C31 | 121.0 (4) |
| C1—C2—C3 | 121.3 (4) | C33—C32—H32 | 119.5 |
| C1—C2—C28 | 123.7 (4) | C31—C32—H32 | 119.5 |
| C3—C2—C28 | 115.0 (4) | C32—C33—C34 | 120.2 (4) |
| C2—C3—C4 | 118.4 (4) | C32—C33—H33 | 119.9 |
| C2—C3—H3 | 120.8 | C34—C33—H33 | 119.9 |
| C4—C3—H3 | 120.8 | C35—C34—C33 | 118.4 (4) |
| C5—C4—C3 | 119.5 (4) | C35—C34—H34 | 120.8 |
| C5—C4—Cl1 | 123.9 (4) | C33—C34—H34 | 120.8 |
| C3—C4—Cl1 | 116.6 (3) | C34—C35—C30 | 122.3 (5) |
| C4—C5—C6 | 122.5 (4) | C34—C35—H35 | 118.9 |
| C4—C5—H5 | 118.7 | C30—C35—H35 | 118.9 |
| C6—C5—H5 | 118.7 | N2—C36—C37 | 117.3 (3) |
| C1—C6—C5 | 119.8 (4) | N2—C36—H36A | 108.0 |
| C1—C6—C7 | 120.6 (4) | C37—C36—H36A | 108.0 |
| C5—C6—C7 | 119.5 (4) | N2—C36—H36B | 108.0 |
| N6—C7—C6 | 123.1 (4) | C37—C36—H36B | 108.0 |
| N6—C7—H7 | 118.5 | H36A—C36—H36B | 107.2 |
| C6—C7—H7 | 118.5 | C42—C37—C38 | 119.2 (4) |
| N6—C8—C9 | 117.0 (4) | C42—C37—C36 | 121.0 (4) |
| N6—C8—H8A | 108.1 | C38—C37—C36 | 119.6 (4) |
| C9—C8—H8A | 108.1 | C39—C38—C37 | 120.0 (4) |
| N6—C8—H8B | 108.1 | C39—C38—H38 | 120.0 |
| C9—C8—H8B | 108.1 | C37—C38—H38 | 120.0 |
| H8A—C8—H8B | 107.3 | C38—C39—C40 | 121.2 (4) |
| C8—C9—C10 | 115.2 (4) | C38—C39—H39 | 119.4 |
| C8—C9—H9A | 108.5 | C40—C39—H39 | 119.4 |
| C10—C9—H9A | 108.5 | C41—C40—C39 | 118.8 (4) |
| C8—C9—H9B | 108.5 | C41—C40—H40 | 120.6 |
| C10—C9—H9B | 108.5 | C39—C40—H40 | 120.6 |
| H9A—C9—H9B | 107.5 | C40—C41—C42 | 122.6 (4) |
| N5—C10—C9 | 118.8 (4) | C40—C41—H41 | 118.7 |
| N5—C10—H10A | 107.6 | C42—C41—H41 | 118.7 |
| C9—C10—H10A | 107.6 | C37—C42—C41 | 118.1 (4) |
| N5—C10—H10B | 107.6 | C37—C42—H42 | 121.0 |
| C9—C10—H10B | 107.6 | C41—C42—H42 | 121.0 |
| H10A—C10—H10B | 107.0 | O4—C43—O3 | 127.4 (4) |
| N5—C11—C12 | 114.1 (4) | O4—C43—C44 | 117.5 (4) |
| N5—C11—H11A | 108.7 | O3—C43—C44 | 115.1 (4) |
| C12—C11—H11A | 108.7 | C43—C44—H44A | 109.5 |
| N5—C11—H11B | 108.7 | C43—C44—H44B | 109.5 |
| C12—C11—H11B | 108.7 | H44A—C44—H44B | 109.5 |
| H11A—C11—H11B | 107.6 | C43—C44—H44C | 109.5 |
| C13—C12—C11 | 116.1 (4) | H44A—C44—H44C | 109.5 |
| C13—C12—H12A | 108.3 | H44B—C44—H44C | 109.5 |
| C11—C12—H12A | 108.3 | N8—C46—C111 | 179.8 (6) |
| C13—C12—H12B | 108.3 | N7—C48—C112 | 179.6 (5) |
| C11—C12—H12B | 108.3 | C46—C111—H7A | 109.5 |
| H12A—C12—H12B | 107.4 | C46—C111—H7B | 109.2 |
| N4—C13—C12 | 111.8 (4) | H7A—C111—H7B | 109.5 |
| N4—C13—H13A | 109.3 | C46—C111—H7C | 109.7 |
| C12—C13—H13A | 109.3 | H7A—C111—H7C | 109.5 |
| N4—C13—H13B | 109.3 | H7B—C111—H7C | 109.5 |
| C12—C13—H13B | 109.3 | C48—C112—H8C | 109.4 |
| H13A—C13—H13B | 107.9 | C48—C112—H8D | 109.8 |
| N4—C14—C15 | 127.7 (4) | H8C—C112—H8D | 109.5 |
| N4—C14—H14 | 116.2 | C48—C112—H8E | 109.2 |
| C15—C14—H14 | 116.2 | H8C—C112—H8E | 109.5 |
| C20—C15—C16 | 118.8 (4) | H8D—C112—H8E | 109.5 |
| C20—C15—C14 | 122.7 (4) | O14—Cl3—O12 | 100.74 (18) |
| C16—C15—C14 | 118.5 (4) | O14—Cl3—O13 | 115.71 (17) |
| C17—C16—C15 | 122.5 (4) | O12—Cl3—O13 | 105.76 (17) |
| C17—C16—H16 | 118.8 | O14—Cl3—O11 | 110.56 (18) |
| C15—C16—H16 | 118.8 | O12—Cl3—O11 | 111.48 (17) |
| C18—C17—C16 | 118.8 (4) | O13—Cl3—O11 | 111.93 (16) |
| C18—C17—Cl2 | 122.1 (4) | C28—N1—C27 | 115.1 (4) |
| C16—C17—Cl2 | 119.0 (4) | C28—N1—Ni2 | 126.2 (3) |
| C17—C18—C19 | 123.6 (4) | C27—N1—Ni2 | 116.5 (3) |
| C17—C18—H18 | 118.2 | C25—N2—C36 | 111.6 (3) |
| C19—C18—H18 | 118.2 | C25—N2—C24 | 111.6 (3) |
| C18—C19—C21 | 121.1 (4) | C36—N2—C24 | 107.8 (3) |
| C18—C19—C20 | 117.8 (4) | C25—N2—Ni2 | 114.2 (3) |
| C21—C19—C20 | 121.1 (4) | C36—N2—Ni2 | 100.8 (2) |
| O2—C20—C15 | 123.4 (4) | C24—N2—Ni2 | 110.1 (3) |
| O2—C20—C19 | 118.3 (4) | C21—N3—C22 | 119.3 (4) |
| C15—C20—C19 | 118.3 (4) | C21—N3—Ni2 | 122.6 (3) |
| N3—C21—C19 | 124.0 (4) | C22—N3—Ni2 | 117.5 (3) |
| N3—C21—H21 | 118.0 | C14—N4—C13 | 115.2 (4) |
| C19—C21—H21 | 118.0 | C14—N4—Ni1 | 126.1 (3) |
| N3—C22—C23 | 116.5 (4) | C13—N4—Ni1 | 116.9 (3) |
| N3—C22—H22A | 108.2 | C10—N5—C11 | 111.5 (3) |
| C23—C22—H22A | 108.2 | C10—N5—C29 | 109.4 (3) |
| N3—C22—H22B | 108.2 | C11—N5—C29 | 108.6 (4) |
| C23—C22—H22B | 108.2 | C10—N5—Ni1 | 111.4 (3) |
| H22A—C22—H22B | 107.3 | C11—N5—Ni1 | 115.7 (3) |
| C22—C23—C24 | 112.7 (3) | C29—N5—Ni1 | 99.4 (2) |
| C22—C23—H23A | 109.1 | C7—N6—C8 | 118.7 (3) |
| C24—C23—H23A | 109.1 | C7—N6—Ni1 | 121.6 (3) |
| C22—C23—H23B | 109.1 | C8—N6—Ni1 | 118.7 (3) |
| C24—C23—H23B | 109.1 | O2—Ni1—O3 | 85.94 (12) |
| H23A—C23—H23B | 107.8 | O2—Ni1—N6 | 159.97 (13) |
| N2—C24—C23 | 117.7 (3) | O3—Ni1—N6 | 86.93 (13) |
| N2—C24—H24A | 107.9 | O2—Ni1—O1 | 78.44 (11) |
| C23—C24—H24A | 107.9 | O3—Ni1—O1 | 90.88 (12) |
| N2—C24—H24B | 107.9 | N6—Ni1—O1 | 82.98 (12) |
| C23—C24—H24B | 107.9 | O2—Ni1—N4 | 86.79 (13) |
| H24A—C24—H24B | 107.2 | O3—Ni1—N4 | 165.88 (13) |
| N2—C25—C26 | 119.0 (4) | N6—Ni1—N4 | 103.73 (14) |
| N2—C25—H25A | 107.6 | O1—Ni1—N4 | 99.49 (13) |
| C26—C25—H25A | 107.6 | O2—Ni1—N5 | 107.66 (12) |
| N2—C25—H25B | 107.6 | O3—Ni1—N5 | 87.70 (13) |
| C26—C25—H25B | 107.6 | N6—Ni1—N5 | 90.71 (14) |
| H25A—C25—H25B | 107.0 | O1—Ni1—N5 | 173.61 (12) |
| C27—C26—C25 | 116.2 (3) | N4—Ni1—N5 | 83.00 (14) |
| C27—C26—H26A | 108.2 | O1—Ni2—O4 | 85.63 (11) |
| C25—C26—H26A | 108.2 | O1—Ni2—N3 | 159.00 (13) |
| C27—C26—H26B | 108.2 | O4—Ni2—N3 | 87.96 (13) |
| C25—C26—H26B | 108.2 | O1—Ni2—O2 | 77.61 (11) |
| H26A—C26—H26B | 107.4 | O4—Ni2—O2 | 91.33 (12) |
| C26—C27—N1 | 112.0 (4) | N3—Ni2—O2 | 82.58 (13) |
| C26—C27—H27A | 109.2 | O1—Ni2—N1 | 85.41 (13) |
| N1—C27—H27A | 109.2 | O4—Ni2—N1 | 165.40 (14) |
| C26—C27—H27B | 109.2 | N3—Ni2—N1 | 104.32 (14) |
| N1—C27—H27B | 109.2 | O2—Ni2—N1 | 97.98 (14) |
| H27A—C27—H27B | 107.9 | O1—Ni2—N2 | 108.53 (12) |
| N1—C28—C2 | 127.7 (4) | O4—Ni2—N2 | 89.01 (13) |
| N1—C28—H28 | 116.1 | N3—Ni2—N2 | 91.31 (14) |
| C2—C28—H28 | 116.1 | O2—Ni2—N2 | 173.86 (12) |
| C30—C29—N5 | 117.0 (3) | N1—Ni2—N2 | 82.94 (14) |
| C30—C29—H29A | 108.1 | C1—O1—Ni2 | 132.8 (2) |
| N5—C29—H29A | 108.1 | C1—O1—Ni1 | 110.1 (2) |
| C30—C29—H29B | 108.1 | Ni2—O1—Ni1 | 98.86 (11) |
| N5—C29—H29B | 108.1 | C20—O2—Ni1 | 132.0 (3) |
| H29A—C29—H29B | 107.3 | C20—O2—Ni2 | 109.9 (2) |
| C31—C30—C35 | 118.2 (4) | Ni1—O2—Ni2 | 99.45 (12) |
| C31—C30—C29 | 121.1 (4) | C43—O3—Ni1 | 129.1 (3) |
| C35—C30—C29 | 120.4 (4) | C43—O4—Ni2 | 128.4 (3) |
| C30—C31—C32 | 119.8 (4) |
Footnotes
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: HG2351).
References
- Bruker (2000). SMART, SAINT, SADABS and SHELXTL Bruker AXS inc., Madison, Wisconsin, USA.
- Gou, S. & Fenton, D. E. (1994). Inorg. Chim. Acta, 223, 169–172.
- Luo, Y., Zhang, J., Lu, L., Qian, M., Wang, X. & Yang, X. (2002). Transition Met. Chem.27, 469–472.
- Turonek, M. L., Moore, P., Class, H. J. & Alcock, N. W. (1995). J. Chem. Soc. Dalton Trans. pp. 3659–3666.
- Zeng, Q., Sun, J., Gou, S., Zhou, K., Fang, J. & Chen, H. (1998). Transition Met. Chem.23, 371–373.
Associated Data
This section collects any data citations, data availability statements, or supplementary materials included in this article.
Supplementary Materials
Crystal structure: contains datablocks global, I. DOI: 10.1107/S1600536807061399/hg2351sup1.cif
Structure factors: contains datablocks I. DOI: 10.1107/S1600536807061399/hg2351Isup2.hkl
Additional supplementary materials: crystallographic information; 3D view; checkCIF report

