| Crystal data |
| Chemical formula |
C10H12N2O2
|
|
M
r
|
192.22 |
| Crystal system, space group |
Monoclinic, P21
|
| Temperature (K) |
263 |
|
a, b, c (Å) |
5.967 (4), 4.092 (3), 20.358 (14) |
| β (°) |
93.080 (18) |
|
V (Å3) |
496.3 (6) |
|
Z
|
2 |
| Radiation type |
Mo Kα |
| μ (mm−1) |
0.09 |
| Crystal size (mm) |
0.47 × 0.21 × 0.06 |
| |
| Data collection |
| Diffractometer |
Rigaku R-AXIS RAPID CCD |
| Absorption correction |
Multi-scan (ABSCOR; Rigaku, 1995 ▸) |
|
T
min, T
max
|
0.299, 0.995 |
| No. of measured, independent and observed [I > 2σ(I)] reflections |
4612, 2075, 1596 |
|
R
int
|
0.073 |
| (sin θ/λ)max (Å−1) |
0.649 |
| |
| Refinement |
|
R[F
2 > 2σ(F
2)], wR(F
2), S
|
0.081, 0.228, 1.05 |
| No. of reflections |
2075 |
| No. of parameters |
139 |
| No. of restraints |
1 |
| H-atom treatment |
H atoms treated by a mixture of independent and constrained refinement |
| Δρmax, Δρmin (e Å−3) |
0.30, −0.30 |
| Absolute structure |
Refined as an inversion twin |
| Absolute structure parameter |
0.5 |
