Table 1 Experimental crystallographic and refinement data of the five VMN polymorph crystal structures solved in this work[a].
α-VMN | β-VMN | γ-VMN | δ-VMN | ε-VMN | ||||
---|---|---|---|---|---|---|---|---|
Discovery, year[b] | SC, 201584 | MC, 201633 | MC, 201633 | MC, 201633 | MC, this work | |||
Structure | SCXRD, | 3D ED, | SCXRD, | 3D ED, | SCXRD, | 3D ED, | 3D ED, | 3D ED, |
elucidation, year[c] | This work | This work | This work | This work | This work | This work | This work | This work |
Sample type[d] | SC | CS | SC | CS | SC | CS | CS | CS |
CCDC No. | 1893045 | 2169341 | 1893062 | 2169342 | 1893054 | 2169343 | 2169349 | 2169344 |
Temperature (K) | 298 | 293 | 298 | 293 | 250 | 293 | 293 | 293 |
Crystal system | Monoclinic | Monoclinic | Triclinic | Monoclinic | Monoclinic | |||
Space group | P21/n (14) | P21/c (14) | P\(\bar{1}\) (2) | P21/c (14) | P21 (4) | |||
Z’, Z | 1, 4 | 2, 8 | 1, 2 | 1, 4 | 2, 4 | |||
a (Å) | 19.1792(2) | 9.9495(1) | 7.6759(1) | 14.0790(1) | 4.885(1) | |||
b (Å) | 5.6702(1) | 13.0705(1) | 10.3177(1) | 8.5200(1) | 22.377(1) | |||
c (Å) | 20.1250(2) | 35.8432(3) | 14.9190(2) | 21.5220(1) | 20.428 (1) | |||
α (°) | 90 | 90 | 98.481(1) | 90 | 90 | |||
β (°) | 96.096(1) | 94.439(1) | 100.478(1) | 109.931(1) | 94.952(2) | |||
γ (°) | 90 | 90 | 105.475(1) | 90 | 90 | |||
Volume (Å3) | 2176.22 | 4647.24 | 1095.51 | 2427.00 | 2224.70 | |||
Density (g·cm−3) | 1.495 | 1.400 | 1.485 | 1.341 | 1.463 | |||
Total reflections | 12783 | 10182 | 47896 | 9875 | 20854 | 10606 | 565 (653) | 4912 |
Unique reflections | 4284 | 2361 | 9370 | 3840 | 4419 | 3284 | 288 (230) | 2783 |
Resolution (Å) | 0.79 | 0.90 | 0.79 | 1.00 | 0.79 | 0.80 | 1.4 (2.0) | 1.05 |
Completeness (%) | 99.8 | 75.4 | 99.8 | 79.1 | 99.9 | 72.6 | 34.4 (71.0) | 73.9 |
Rint | 0.0337 | 0.1788 | 0.0285 | 0.1305 | 0.0298 | 0.2033 | 0.1160 (0.1478) | 0.186 |
I/sigma | 26 | 4.68 | 42.4 | 3.78 | 50.8 | 3.31 | 3.66 (8.40) | 5.30 |
CC1/2[e] | NA | 98.2 | NA | 98.7 | NA | 96.9 | 98.0 (98.5) | 97.8 |
No. of parameters | 299 | 299 | 597 | 507 | 299 | 299 | 97 | 268 |
No. of restraints | 0 | 12 | 3 | 226 | 0 | 48 | 97 | 303 |
R1 (all) | 0.0475 | 0.2321 | 0.0683 | 0.2720 | 0.0428 | 0.2540 | 0.3339 | 0.2754 |
wR2 | 0.1247 | 0.4200 | 0.1829 | 0.4816 | 0.1100 | 0.4277 | 0.6269 | 0.4745 |
No. of datasets | 1 | 3 | 1 | 2 | 1 | 6 | 1 (4) | 3 |
RMSD15 (Å) [f] | 0.091 | 0.117 | 0.17 | 0.208 | 0.113 | 0.164 | 0.418 | 0.271 |