Table 2. Comparison of the unit-cell parameters of capsaicin crystal structures derived from previous structural determinations and the present work.
| CSD refcode | FABVAF | FABVAF01 | – | – | – |
| Reference | Oliver (1985 ▸) | David et al. (1998 ▸) | Florence et al. (2005 ▸) | Shankland et al. (2010 ▸) | This work |
| Space group | P21/c | P21/c | P21/c | P21/c | P21/c |
| a (Å) | 12.380 (4) | 12.2234 (1) | 12.672 | 12.224 | 12.2165 (3) |
| b (Å) | 14.814 (8) | 14.7900 (1) | 14.980 | 14.787 | 14.7791 (4) |
| c (Å) | 9.491 (3) | 9.4691 (1) | 9.426 | 9.468 | 9.4719 (2) |
| β (°) | 93.63 (3) | 93.9754 (3) | 93.69 | 93.972 | 94.035 (2) |
| V (Å3) | 1737.13 | 1707.30 | 1785.6 | 1707.3 | 1705.89 (8) |
| T (K) | 173 | 100 | Room temperature | 100 | 100 |