Table 2. Variable temperature study of (1), (2) and (4).
All percent increases are with respect to the values at 150 K.
| 3,4-Dichlorophenol (1) | 4-Bromo-3-chlorophenol (2) | 4-Chloro-3-iodophenol (4) | ||
|---|---|---|---|---|
| 150 K | Type I Cl⋯Cl | 3.235 (1) | 3.241 (1) | 3.414 (5) |
| Type II Cl⋯Cl | 3.408 (1) | – | – | |
| Type II Br⋯Br | – | 3.5379 (7) | – | |
Type II  ⋯O |
– | – | 3.162 (6) | |
| Cell volume | 2588.9 | 2709.8 | 723 | |
| 200 K | Type I Cl⋯Cl | 3.248 (1) | 3.248 (2) | 3.437 (4) |
| % increase | 0.4 | 0.2 | 0.6 | |
| Type II Cl⋯Cl | 3.431 (1) | – | – | |
| % increase | 0.7 | – | – | |
| Type II Br⋯Br | – | 3.5580 (7) | – | |
| % increase | – | 0.6 | – | |
| Type II ⋯O |
– | – | 3.185 (5) | |
| % increase | – | – | 0.7 | |
| Cell volume | 2615.6 | 2732.7 | 731 | |
| % increase | 1.0 | 0.8 | 1.0 | |
| 296 K | Type I Cl⋯Cl | 3.268 (1) | 3.278 (3) | 3.453 (5) |
| % increase | 1.0 | 1.1 | 1.1 | |
| Type II Cl⋯Cl | 3.469(2) | – | – | |
| % increase | 1.8 | – | – | |
| Type II Br⋯Br | – | 3.613 (3) | – | |
| % increase | – | 2.1 | – | |
| Type II ⋯O |
– | – | 3.214 (6) | |
| % increase | – | – | 1.6 | |
| Cell volume | 2654.7 | 2817 | 740 | |
| % increase | 2.5 | 3.9 | 2.3 |