Table 1. Crystal data of N-acetyl-L-4-hydroxyproline monohydrate from invariom refinements.
Crystal data | ||||||||
Chemical formula | C7H10NOH2O | |||||||
Formula weight | 191.18 | |||||||
Cell setting, space group | Orthorhombic, | |||||||
Temperature (K) | 9 | 30 | 50 | 75 | 100 | 150 | 200 | 250 |
a (Å) | 9.854 (3) | 9.853 (4) | 9.866 (7) | 9.884 (6) | 9.9026 (2) | 9.9408 (2) | 9.9748 (2) | 10.0123 (2) |
b (Å) | 9.249 (3) | 9.251 (5) | 9.250 (7) | 9.253 (6) | 9.2485 (2) | 9.2479 (2) | 9.2492 (2) | 9.2556 (2) |
c (Å) | 10.144 (2) | 10.145 (2) | 10.149 (6) | 10.155 (3) | 10.1662 (2) | 10.1875 (2) | 10.2103 (2) | 10.2441 (2) |
V (Å3) | 924.5 (4) | 924.7 (7) | 926.2 (11) | 928.7 (9) | 931.06 (3) | 936.55 (3) | 941.99 (3) | 949.32 (3) |
Z, F(000) | 4, 408 | |||||||
D x (Mg m−3) | 1.374 | 1.373 | 1.371 | 1.367 | 1.364 | 1.356 | 1.348 | 1.338 |
Radiation type | Synchrotron | Synchrotron | Synchrotron | Synchrotron | Mo Kα | Mo Kα | Mo Kα | Mo Kα |
μ (mm−1) | 0.070 | 0.061 | 0.061 | 0.061 | 0.116 | 0.116 | 0.115 | 0.114 |
Crystal form, colour | Rectangular, colourless | Rectangular, colourless | ||||||
Crystal size (mm) | 0.34 × 0.28× 0.28 | 0.54 × 0.27 × 0.14 | ||||||
Data collection | ||||||||
Diffractometer | Huber Type 512 | Oxford Diffraction Xcalibur S | ||||||
Data-collection method | ϕ scans | ω and ϕ scans | ||||||
Absorption correction | None | Analytical | ||||||
, | n/a | n/a | n/a | n/a | 0.959/0.986 | 0.954/0.987 | 0.960/0.989 | 0.956/0.989 |
No. of measured reflections | 45747 | 25178 | 44258 | 45127 | 39746 | 30837 | 30309 | 17876 |
No. of independent reflections | 8304 | 7775 | 7803 | 7809 | 10866 | 7826 | 7829 | 4420 |
No. of observed reflections | 7885 | 7262 | 7372 | 7255 | 7744 | 5673 | 4860 | 3245 |
Criterion for observed reflections | ||||||||
R int (%) | 0.040 | 0.038 | 0.055 | 0.051 | 0.037 | 0.039 | 0.039 | 0.020 |
(°), | 31.90, 1.022 | 31.88, 1.000 | 31.90, 1.000 | 31.87, 1.000 | 53.28, 1.132 | 53.32, 1.000 | 53.31, 1.069 | 36.25, 0.833 |
Invariom refinement | ||||||||
Refinement on | ||||||||
0.026 | 0.028 | 0.026 | 0.028 | 0.031 | 0.029 | 0.029 | 0.025 | |
No. of reflections | 7885 | 7262 | 7372 | 7255 | 7744 | 5673 | 4860 | 3245 |
No. of parameters | 131 | |||||||
H-atom treatment | Invarioms: calculated H position, bond-length elongated, refined; HAR: all parameters adjusted | |||||||
Weighting scheme | ||||||||
1/ + [] (P = + ) | [0.06+ 0.04P] | [0.04+ 0.05P] | [0.04+ 0.04P] | [0.05+ 0.02P] | [0.04+ 0.07P] | [0.05+ 0.05P] | [0.06+ 0.04P] | [0.04+ 0.08P] |
GoF | 1.76 | 1.44 | 1.48 | 2.02 | 2.81 | 2.96 | 2.12 | 3.84 |
GoFW | 0.96 | 0.95 | 0.94 | 1.00 | 0.81 | 0.84 | 0.82 | 0.81 |
, (e Å−3) | 0.36/−0.25 | 0.32/−0.22 | 0.27/−0.21 | 0.30/−0.25 | 0.36/−0.21 | 0.25/−0.16 | 0.20/−0.17 | 0.16/−0.12 |