| Crystal data |
| Chemical formula |
C27H18N2O3
|
|
M
r
|
418.43 |
| Crystal system, space group |
Monoclinic, C
c
|
| Temperature (K) |
293 |
|
a, b, c (Å) |
9.9690 (5), 24.8828 (15), 8.3049 (4) |
| β (°) |
94.356 (1) |
|
V (Å3) |
2054.13 (19) |
|
Z
|
4 |
| Radiation type |
Mo Kα |
| μ (mm−1) |
0.09 |
| Crystal size (mm) |
0.54 × 0.38 × 0.23 |
| |
| Data collection |
| Diffractometer |
Bruker APEXII CCD |
| Absorption correction |
Multi-scan (SADABS; Bruker 2015 ▸) |
|
T
min, T
max
|
0.783, 0.942 |
| No. of measured, independent and observed [I > 2σ(I)] reflections |
39335, 5995, 5046 |
|
R
int
|
0.033 |
| (sin θ/λ)max (Å−1) |
0.704 |
| |
| Refinement |
|
R[F
2 > 2σ(F
2)], wR(F
2), S
|
0.041, 0.114, 1.04 |
| No. of reflections |
5995 |
| No. of parameters |
289 |
| No. of restraints |
2 |
| H-atom treatment |
H-atom parameters constrained |
| Δρmax, Δρmin (e Å−3) |
0.19, −0.15 |
| Absolute structure |
Flack x determined using 2241 quotients [(I
+)−(I
−)]/[(I
+)+(I
−)] (Parsons et al., 2013 ▸) |
| Absolute structure parameter |
−0.1 (3) |
