Abstract
In the title complex, (C8H20N)[Re(C5H3N2O2)Cl(CO)3], the ReI atom is coordinated facially by three carbonyl groups; the bidentate pyrazinecarboxylato ligand and a chlorine atom complete the distorted octahedral coordination.
Related literature
For synthetic background, see: Alberto et al. (1996 ▶). For related structures, see: Schutte et al. (2008 ▶); Kemp (2006 ▶); Wang et al. (2003 ▶); Alvarez et al. (2007 ▶); Brasey et al. (2004 ▶); Mundwiler et al. (2004 ▶). For bond-length data, see: Allen et al. (1987 ▶).
Experimental
Crystal data
(C8H20N)[Re(C5H3N2O2)Cl(CO)3]
M r = 559.02
Monoclinic,
a = 7.927 (5) Å
b = 22.278 (5) Å
c = 10.903 (5) Å
β = 90.506 (5)°
V = 1925.4 (16) Å3
Z = 4
Mo Kα radiation
μ = 6.48 mm−1
T = 100 K
0.27 × 0.20 × 0.11 mm
Data collection
Bruker X8 APEXII 4K Kappa CCD diffractometer
Absorption correction: multi-scan (SADABS; Bruker, 2004 ▶) T min = 0.273, T max = 0.539
32482 measured reflections
4781 independent reflections
4121 reflections with I > 2σ(I)
R int = 0.046
Refinement
R[F 2 > 2σ(F 2)] = 0.021
wR(F 2) = 0.098
S = 1.18
4781 reflections
235 parameters
H-atom parameters constrained
Δρmax = 1.05 e Å−3
Δρmin = −1.38 e Å−3
Data collection: APEX2 (Bruker, 2005 ▶); cell refinement: SAINT-Plus (Bruker, 2004 ▶); data reduction: SAINT-Plus and XPREP (Bruker, 2004 ▶); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008 ▶); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008 ▶); molecular graphics: DIAMOND (Brandenburg & Putz, 2005 ▶); software used to prepare material for publication: WinGX (Farrugia, 1999 ▶).
Supplementary Material
Crystal structure: contains datablocks global, I. DOI: 10.1107/S1600536809042160/pv2218sup1.cif
Structure factors: contains datablocks I. DOI: 10.1107/S1600536809042160/pv2218Isup2.hkl
Additional supplementary materials: crystallographic information; 3D view; checkCIF report
Acknowledgments
The authors thank Necsa and the UFS for funding and permission to publish this work.
supplementary crystallographic information
Comment
The title complex, (I), forms a part of an ongoing investigation of the structural and kinetic behaviour of fac-Re(CO)3 compounds (Schutte et al., 2008). It crystallized as an anionic ReI compound and one tetraethylammonium counter ion in the asymmetric unit (Fig. 1). The Re—CO bond distances are well within the normal range (Allen et al., 1987). The small bite angle O4—Re1—N1 might be a reason for the slightly distorted octahedral geometry around the metal centre. There are no classical hydrogen bonds in the structure.
Experimental
ReCl3(CO)3 (64.2 mg, 0.01 mmol) was suspended in 10 ml methanol. The solution was heated to reflux and 2-pyrazinecarboxylic acid (13.1 mg, 0.01 mmol) dissolved in ca 5 ml methanol was added whilst stirring. A bright yellow colour resulted on addition of the ligand to the metal. K2CO3 7.1 mg (0.005 mmol) was added to the solution. The reaction solution was refluxed for 6 h after which the solvent volume was decreased on a rotovapor. The MeOH solution was layered with a minimal amount of diethyl ether and left to stand in a refrigerator. After a few days yellow crystals were formed.
Refinement
The methyl, methylene and aromatic H atoms were placed in geometrically idealized positions with C—H distances = 0.96, 0.97 and 0.96 Å, respectively, and constrained to ride on their parent atoms, with Uiso(H) = 1.5Ueq(methyl-C) and 1.2Ueq(methylene and aromatic-C). The highest residual electron density was located 0.93 Å from H17C and was essentially meaningless.
Figures
Fig. 1.
A view of the title complex plotted with 50% probability displacement ellipsoids; hydrogen atoms have been omitted for clarity.
Crystal data
(C8H20N)[Re(C5H3N2O2)Cl(CO)3] | F(000) = 1088 |
Mr = 559.02 | Dx = 1.929 Mg m−3 |
Monoclinic, P21/c | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -P 2ybc | Cell parameters from 9901 reflections |
a = 7.927 (5) Å | θ = 2.7–28.3° |
b = 22.278 (5) Å | µ = 6.48 mm−1 |
c = 10.903 (5) Å | T = 100 K |
β = 90.506 (5)° | Cuboid, yellow |
V = 1925.4 (16) Å3 | 0.27 × 0.20 × 0.11 mm |
Z = 4 |
Data collection
Bruker X8 APEXII 4K Kappa CCD diffractometer | 4781 independent reflections |
Radiation source: sealed tube | 4121 reflections with I > 2σ(I) |
graphite | Rint = 0.046 |
phi and ω scans | θmax = 28.3°, θmin = 1.8° |
Absorption correction: multi-scan (SADABS; Bruker, 2004) | h = −10→9 |
Tmin = 0.273, Tmax = 0.539 | k = −29→29 |
32482 measured reflections | l = −14→13 |
Refinement
Refinement on F2 | 0 restraints |
Least-squares matrix: full | H-atom parameters constrained |
R[F2 > 2σ(F2)] = 0.021 | w = 1/[σ2(Fo2) + (0.0591P)2] where P = (Fo2 + 2Fc2)/3 |
wR(F2) = 0.098 | (Δ/σ)max = 0.001 |
S = 1.18 | Δρmax = 1.05 e Å−3 |
4781 reflections | Δρmin = −1.38 e Å−3 |
235 parameters |
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. |
Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2)
x | y | z | Uiso*/Ueq | ||
Re1 | 0.30393 (2) | 0.198197 (7) | 0.407485 (15) | 0.01064 (8) | |
Cl1 | 0.29768 (13) | 0.09512 (5) | 0.49378 (10) | 0.0154 (2) | |
C5 | 0.3651 (5) | 0.13259 (19) | 0.1726 (4) | 0.0117 (8) | |
O5 | 0.0904 (4) | 0.10473 (15) | 0.1121 (3) | 0.0186 (7) | |
N3 | 0.1752 (4) | −0.07955 (16) | 0.2734 (3) | 0.0111 (7) | |
O4 | 0.1219 (4) | 0.16145 (14) | 0.2811 (3) | 0.0143 (7) | |
N2 | 0.6136 (5) | 0.10700 (19) | 0.0608 (4) | 0.0198 (9) | |
N1 | 0.4559 (5) | 0.15900 (16) | 0.2633 (3) | 0.0132 (8) | |
C14 | 0.1057 (5) | −0.0443 (2) | 0.1656 (4) | 0.0146 (9) | |
H14B | 0.1568 | −0.0047 | 0.1666 | 0.018* | |
H14A | 0.1403 | −0.064 | 0.0906 | 0.018* | |
C4 | 0.1762 (5) | 0.1323 (2) | 0.1880 (4) | 0.0131 (9) | |
C10 | 0.1294 (6) | −0.0471 (2) | 0.3912 (4) | 0.0169 (9) | |
H10A | 0.1667 | −0.0058 | 0.3849 | 0.02* | |
H10B | 0.0075 | −0.0467 | 0.3983 | 0.02* | |
C15 | −0.0836 (6) | −0.0368 (2) | 0.1619 (4) | 0.0182 (10) | |
H15B | −0.1153 | −0.0138 | 0.0909 | 0.027* | |
H15C | −0.1197 | −0.0164 | 0.2345 | 0.027* | |
H15A | −0.1361 | −0.0756 | 0.1578 | 0.027* | |
C12 | 0.3647 (5) | −0.0855 (2) | 0.2602 (4) | 0.0147 (9) | |
H12B | 0.4069 | −0.1106 | 0.3264 | 0.018* | |
H12A | 0.3875 | −0.1062 | 0.1838 | 0.018* | |
C17 | 0.1141 (6) | −0.1786 (2) | 0.1620 (5) | 0.0215 (10) | |
H17B | 0.0637 | −0.2173 | 0.1739 | 0.032* | |
H17A | 0.231 | −0.1835 | 0.1418 | 0.032* | |
H17C | 0.0569 | −0.1581 | 0.0962 | 0.032* | |
C1 | 0.4817 (6) | 0.2209 (2) | 0.5162 (4) | 0.0160 (9) | |
C7 | 0.7019 (6) | 0.1324 (2) | 0.1527 (4) | 0.0187 (10) | |
H7 | 0.819 | 0.1323 | 0.149 | 0.022* | |
C16 | 0.0997 (6) | −0.14213 (19) | 0.2785 (4) | 0.0139 (9) | |
H16A | 0.1545 | −0.1641 | 0.3445 | 0.017* | |
H16B | −0.0188 | −0.1386 | 0.2988 | 0.017* | |
C13 | 0.4627 (6) | −0.0272 (2) | 0.2612 (5) | 0.0228 (11) | |
H13C | 0.5808 | −0.0355 | 0.2525 | 0.034* | |
H13B | 0.4444 | −0.0067 | 0.3374 | 0.034* | |
H13A | 0.425 | −0.0023 | 0.1945 | 0.034* | |
C8 | 0.6250 (6) | 0.1586 (2) | 0.2526 (4) | 0.0167 (9) | |
H8 | 0.6913 | 0.1764 | 0.3134 | 0.02* | |
C6 | 0.4450 (6) | 0.1077 (2) | 0.0729 (4) | 0.0169 (9) | |
H6 | 0.3791 | 0.0906 | 0.0111 | 0.02* | |
C11 | 0.2032 (6) | −0.0737 (2) | 0.5073 (4) | 0.0227 (11) | |
H11B | 0.1677 | −0.0504 | 0.5765 | 0.034* | |
H11A | 0.3241 | −0.0733 | 0.5028 | 0.034* | |
H11C | 0.1646 | −0.1143 | 0.5162 | 0.034* | |
C3 | 0.1409 (6) | 0.2291 (2) | 0.5218 (4) | 0.0148 (9) | |
O2 | 0.3224 (4) | 0.32482 (15) | 0.2989 (3) | 0.0206 (7) | |
O3 | 0.0411 (4) | 0.24882 (16) | 0.5855 (3) | 0.0215 (7) | |
O1 | 0.5931 (4) | 0.23294 (16) | 0.5808 (3) | 0.0241 (8) | |
C2 | 0.3140 (5) | 0.2765 (2) | 0.3371 (4) | 0.0139 (9) |
Atomic displacement parameters (Å2)
U11 | U22 | U33 | U12 | U13 | U23 | |
Re1 | 0.01130 (11) | 0.00960 (12) | 0.01101 (12) | −0.00026 (6) | −0.00005 (7) | −0.00013 (6) |
Cl1 | 0.0170 (5) | 0.0123 (5) | 0.0169 (5) | −0.0006 (4) | −0.0002 (4) | 0.0005 (4) |
C5 | 0.013 (2) | 0.010 (2) | 0.012 (2) | 0.0021 (16) | −0.0005 (16) | 0.0015 (16) |
O5 | 0.0130 (16) | 0.0202 (19) | 0.0227 (17) | −0.0029 (13) | −0.0034 (13) | −0.0071 (14) |
N3 | 0.0113 (17) | 0.0110 (18) | 0.0110 (17) | −0.0010 (14) | 0.0013 (13) | 0.0012 (14) |
O4 | 0.0127 (15) | 0.0161 (17) | 0.0141 (15) | −0.0004 (12) | −0.0006 (12) | −0.0029 (13) |
N2 | 0.017 (2) | 0.026 (2) | 0.0168 (19) | 0.0039 (17) | 0.0031 (16) | 0.0009 (17) |
N1 | 0.0121 (17) | 0.0103 (19) | 0.0172 (19) | −0.0001 (14) | 0.0000 (14) | 0.0036 (15) |
C14 | 0.015 (2) | 0.013 (2) | 0.015 (2) | 0.0012 (17) | 0.0014 (17) | 0.0052 (17) |
C4 | 0.011 (2) | 0.013 (2) | 0.015 (2) | 0.0013 (16) | 0.0001 (16) | 0.0019 (17) |
C10 | 0.014 (2) | 0.017 (2) | 0.019 (2) | 0.0022 (18) | 0.0026 (18) | −0.0043 (19) |
C15 | 0.015 (2) | 0.024 (3) | 0.016 (2) | 0.0029 (19) | −0.0025 (17) | 0.0024 (19) |
C12 | 0.010 (2) | 0.017 (2) | 0.018 (2) | 0.0019 (17) | 0.0027 (16) | −0.0006 (18) |
C17 | 0.023 (3) | 0.020 (3) | 0.022 (3) | 0.000 (2) | 0.002 (2) | −0.005 (2) |
C1 | 0.023 (2) | 0.009 (2) | 0.016 (2) | 0.0009 (18) | 0.0019 (18) | −0.0015 (18) |
C7 | 0.010 (2) | 0.026 (3) | 0.021 (2) | 0.0035 (18) | 0.0040 (17) | 0.006 (2) |
C16 | 0.014 (2) | 0.010 (2) | 0.017 (2) | −0.0034 (17) | 0.0005 (17) | 0.0017 (18) |
C13 | 0.012 (2) | 0.022 (3) | 0.034 (3) | −0.0006 (19) | 0.000 (2) | 0.004 (2) |
C8 | 0.015 (2) | 0.018 (2) | 0.017 (2) | 0.0012 (18) | −0.0034 (17) | 0.0026 (18) |
C6 | 0.015 (2) | 0.019 (3) | 0.017 (2) | −0.0002 (18) | −0.0019 (17) | 0.0016 (18) |
C11 | 0.024 (3) | 0.029 (3) | 0.015 (2) | 0.002 (2) | −0.0004 (19) | −0.005 (2) |
C3 | 0.018 (2) | 0.012 (2) | 0.015 (2) | −0.0024 (17) | −0.0025 (18) | 0.0039 (18) |
O2 | 0.0225 (18) | 0.0123 (17) | 0.0272 (19) | −0.0016 (14) | 0.0033 (15) | 0.0027 (15) |
O3 | 0.0279 (18) | 0.0198 (19) | 0.0170 (17) | 0.0012 (15) | 0.0096 (14) | −0.0011 (14) |
O1 | 0.0222 (18) | 0.021 (2) | 0.0284 (19) | 0.0010 (15) | −0.0097 (15) | −0.0060 (16) |
C2 | 0.012 (2) | 0.018 (2) | 0.012 (2) | 0.0026 (17) | 0.0006 (16) | −0.0006 (18) |
Geometric parameters (Å, °)
Re1—C1 | 1.902 (5) | C15—H15C | 0.96 |
Re1—C2 | 1.908 (5) | C15—H15A | 0.96 |
Re1—C3 | 1.930 (5) | C12—C13 | 1.514 (6) |
Re1—O4 | 2.149 (3) | C12—H12B | 0.97 |
Re1—N1 | 2.172 (4) | C12—H12A | 0.97 |
Re1—Cl1 | 2.4822 (12) | C17—C16 | 1.513 (6) |
C5—N1 | 1.353 (6) | C17—H17B | 0.96 |
C5—C6 | 1.379 (6) | C17—H17A | 0.96 |
C5—C4 | 1.508 (6) | C17—H17C | 0.96 |
O5—C4 | 1.231 (5) | C1—O1 | 1.156 (5) |
N3—C14 | 1.514 (5) | C7—C8 | 1.383 (7) |
N3—C12 | 1.517 (5) | C7—H7 | 0.93 |
N3—C16 | 1.518 (5) | C16—H16A | 0.97 |
N3—C10 | 1.521 (5) | C16—H16B | 0.97 |
O4—C4 | 1.282 (5) | C13—H13C | 0.96 |
N2—C7 | 1.342 (6) | C13—H13B | 0.96 |
N2—C6 | 1.344 (6) | C13—H13A | 0.96 |
N1—C8 | 1.347 (6) | C8—H8 | 0.93 |
C14—C15 | 1.510 (6) | C6—H6 | 0.93 |
C14—H14B | 0.97 | C11—H11B | 0.96 |
C14—H14A | 0.97 | C11—H11A | 0.96 |
C10—C11 | 1.510 (6) | C11—H11C | 0.96 |
C10—H10A | 0.97 | C3—O3 | 1.145 (5) |
C10—H10B | 0.97 | O2—C2 | 1.156 (6) |
C15—H15B | 0.96 | ||
C1—Re1—C2 | 88.49 (19) | H15B—C15—H15C | 109.5 |
C1—Re1—C3 | 89.99 (19) | C14—C15—H15A | 109.5 |
C2—Re1—C3 | 87.95 (19) | H15B—C15—H15A | 109.5 |
C1—Re1—O4 | 172.22 (16) | H15C—C15—H15A | 109.5 |
C2—Re1—O4 | 96.95 (16) | C13—C12—N3 | 115.6 (4) |
C3—Re1—O4 | 95.74 (16) | C13—C12—H12B | 108.4 |
C1—Re1—N1 | 98.34 (17) | N3—C12—H12B | 108.4 |
C2—Re1—N1 | 92.94 (16) | C13—C12—H12A | 108.4 |
C3—Re1—N1 | 171.64 (16) | N3—C12—H12A | 108.4 |
O4—Re1—N1 | 75.91 (13) | H12B—C12—H12A | 107.4 |
C1—Re1—Cl1 | 91.55 (14) | C16—C17—H17B | 109.5 |
C2—Re1—Cl1 | 178.07 (14) | C16—C17—H17A | 109.5 |
C3—Re1—Cl1 | 93.98 (13) | H17B—C17—H17A | 109.5 |
O4—Re1—Cl1 | 82.82 (9) | C16—C17—H17C | 109.5 |
N1—Re1—Cl1 | 85.15 (10) | H17B—C17—H17C | 109.5 |
N1—C5—C6 | 120.4 (4) | H17A—C17—H17C | 109.5 |
N1—C5—C4 | 116.3 (4) | O1—C1—Re1 | 177.5 (4) |
C6—C5—C4 | 123.3 (4) | N2—C7—C8 | 122.4 (4) |
C14—N3—C12 | 109.0 (3) | N2—C7—H7 | 118.8 |
C14—N3—C16 | 111.4 (3) | C8—C7—H7 | 118.8 |
C12—N3—C16 | 108.3 (3) | C17—C16—N3 | 115.4 (4) |
C14—N3—C10 | 108.7 (3) | C17—C16—H16A | 108.4 |
C12—N3—C10 | 111.5 (3) | N3—C16—H16A | 108.4 |
C16—N3—C10 | 108.0 (3) | C17—C16—H16B | 108.4 |
C4—O4—Re1 | 118.2 (3) | N3—C16—H16B | 108.4 |
C7—N2—C6 | 115.8 (4) | H16A—C16—H16B | 107.5 |
C8—N1—C5 | 117.2 (4) | C12—C13—H13C | 109.5 |
C8—N1—Re1 | 128.6 (3) | C12—C13—H13B | 109.5 |
C5—N1—Re1 | 114.1 (3) | H13C—C13—H13B | 109.5 |
C15—C14—N3 | 115.6 (4) | C12—C13—H13A | 109.5 |
C15—C14—H14B | 108.4 | H13C—C13—H13A | 109.5 |
N3—C14—H14B | 108.4 | H13B—C13—H13A | 109.5 |
C15—C14—H14A | 108.4 | N1—C8—C7 | 121.1 (4) |
N3—C14—H14A | 108.4 | N1—C8—H8 | 119.4 |
H14B—C14—H14A | 107.4 | C7—C8—H8 | 119.4 |
O5—C4—O4 | 126.7 (4) | N2—C6—C5 | 123.1 (4) |
O5—C4—C5 | 118.0 (4) | N2—C6—H6 | 118.5 |
O4—C4—C5 | 115.3 (4) | C5—C6—H6 | 118.5 |
C11—C10—N3 | 115.3 (4) | C10—C11—H11B | 109.5 |
C11—C10—H10A | 108.4 | C10—C11—H11A | 109.5 |
N3—C10—H10A | 108.4 | H11B—C11—H11A | 109.5 |
C11—C10—H10B | 108.4 | C10—C11—H11C | 109.5 |
N3—C10—H10B | 108.4 | H11B—C11—H11C | 109.5 |
H10A—C10—H10B | 107.5 | H11A—C11—H11C | 109.5 |
C14—C15—H15B | 109.5 | O3—C3—Re1 | 177.0 (4) |
C14—C15—H15C | 109.5 | O2—C2—Re1 | 177.3 (4) |
Footnotes
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: PV2218).
References
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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/S1600536809042160/pv2218sup1.cif
Structure factors: contains datablocks I. DOI: 10.1107/S1600536809042160/pv2218Isup2.hkl
Additional supplementary materials: crystallographic information; 3D view; checkCIF report