| Crystal data |
| Chemical formula |
C26H22O4
|
C26H22O4
|
C28H26O6
|
|
M
r
|
398.43 |
398.43 |
458.49 |
| Crystal system, space group |
Monoclinic, P21/c
|
Monoclinic, P21/c
|
Monoclinic, P21/n
|
| Temperature (K) |
294 |
294 |
294 |
|
a, b, c (Å) |
7.1078 (11), 24.544 (4), 6.0449 (9) |
5.2626 (5), 15.6157 (14), 12.4824 (11) |
6.9595 (6), 21.0272 (17), 8.3297 (7) |
| β (°) |
101.898 (2) |
98.760 (2) |
103.602 (2) |
|
V (Å3) |
1031.9 (3) |
1013.83 (16) |
1184.77 (17) |
|
Z
|
2 |
2 |
2 |
| Radiation type |
Mo Kα |
Mo Kα |
Mo Kα |
| μ (mm−1) |
0.09 |
0.09 |
0.09 |
| Crystal size (mm) |
0.39 × 0.35 × 0.18 |
0.90 × 0.48 × 0.09 |
0.35 × 0.27 × 0.16 |
| |
| Data collection |
| Diffractometer |
Bruker APEXII DUO CCD area-detector |
Bruker APEXII DUO CCD area-detector |
Bruker APEXII DUO CCD area-detector |
| Absorption correction |
Multi-scan (SADABS; Bruker, 2012 ▸) |
Multi-scan (SADABS; Bruker, 2012 ▸) |
Multi-scan (SADABS; Bruker, 2012 ▸) |
|
T
min, T
max
|
0.883, 0.985 |
0.874, 0.992 |
0.890, 0.985 |
| No. of measured, independent and observed [I > 2σ(I)] reflections |
8322, 2183, 1705 |
17791, 2458, 1574 |
12532, 3165, 2328 |
|
R
int
|
0.024 |
0.043 |
0.030 |
| (sin θ/λ)max (Å−1) |
0.634 |
0.662 |
0.683 |
| |
| Refinement |
|
R[F
2 > 2σ(F
2)], wR(F
2), S
|
0.040, 0.119, 1.03 |
0.044, 0.132, 1.03 |
0.049, 0.136, 1.04 |
| No. of reflections |
2183 |
2458 |
3165 |
| No. of parameters |
137 |
137 |
156 |
| H-atom treatment |
H-atom parameters constrained |
H-atom parameters constrained |
H-atom parameters constrained |
| Δρmax, Δρmin (e Å−3) |
0.19, −0.14 |
0.14, −0.14 |
0.20, −0.16 |
