| Crystal data |
| Chemical formula |
C16H20N2O2
|
|
M
r
|
272.34 |
| Crystal system, space group |
Triclinic, P
|
| Temperature (K) |
100 |
|
a, b, c (Å) |
9.1132 (6), 12.6676 (9), 12.8164 (9) |
| α, β, γ (°) |
91.344 (1), 99.537 (1), 96.340 (1) |
|
V (Å3) |
1448.87 (17) |
|
Z
|
4 |
| Radiation type |
Mo Kα |
| μ (mm−1) |
0.08 |
| Crystal size (mm) |
0.34 × 0.29 × 0.25 |
| |
| Data collection |
| Diffractometer |
Bruker SMART APEX CCD |
| Absorption correction |
Multi-scan (TWINABS; Sheldrick, 2009 ▸) |
|
T
min, T
max
|
0.97, 0.98 |
| No. of measured, independent and observed [I > 2σ(I)] reflections |
51542, 51542, 40020 |
|
R
int
|
0.029 |
| (sin θ/λ)max (Å−1) |
0.696 |
| |
| Refinement |
|
R[F
2 > 2σ(F
2)], wR(F
2), S
|
0.045, 0.133, 1.08 |
| No. of reflections |
51542 |
| No. of parameters |
511 |
| H-atom treatment |
H atoms treated by a mixture of independent and constrained refinement |
| Δρmax, Δρmin (e Å−3) |
0.41, −0.32 |