| Crystal data |
| Chemical formula |
C18H10Br2S4
|
|
M
r
|
514.32 |
| Crystal system, space group |
Orthorhombic, A
b
m2 |
| Temperature (K) |
90 |
|
a, b, c (Å) |
7.5981 (6), 37.411 (3), 6.1991 (5) |
|
V (Å3) |
1762.1 (2) |
|
Z
|
4 |
| Radiation type |
Mo Kα |
| μ (mm−1) |
5.07 |
| Crystal size (mm) |
0.17 × 0.11 × 0.05 |
| |
| Data collection |
| Diffractometer |
Bruker APEXII CCD |
| Absorption correction |
Multi-scan (SADABS; Bruker, 2016 ▸) |
|
T
min, T
max
|
0.625, 0.747 |
| No. of measured, independent and observed [I > 2σ(I)] reflections |
34235, 1580, 1530 |
|
R
int
|
0.066 |
| (sin θ/λ)max (Å−1) |
0.594 |
| |
| Refinement |
|
R[F
2 > 2σ(F
2)], wR(F
2), S
|
0.017, 0.041, 1.09 |
| No. of reflections |
1580 |
| No. of parameters |
109 |
| No. of restraints |
1 |
| H-atom treatment |
H-atom parameters constrained |
| Δρmax, Δρmin (e Å−3) |
0.29, −0.29 |
| Absolute structure |
Flack x determined using 663 quotients [(I
+)−(I
−)]/[(I
+)+(I
−)] (Parsons et al., 2013 ▸) |
| Absolute structure parameter |
0.014 (5) |