Table 1. Intermolecular contacts (Å, °) as potential C⋯H⋯O hydrogen bonds for phases 1 and 2.
| Atoms | bondH⋯O | angleC—H⋯O | angleS—O⋯H |
|---|---|---|---|
| Phase 1 | |||
| C1—H1A⋯O1i | 2.63 (2) | 148 (2) | 123 (2) |
| C1—H1B⋯O1ii | 2.59 (2) | 157 (2) | 127 (2) |
| C1—H1A⋯O2iii | 2.67 (2) | 112 (2) | 114 (2) |
| C1—H1B⋯O2iv | 2.81 (2) | 122 (2) | 145 (2) |
| Phase 2 | |||
| C1—H1A⋯O1i | 2.60 (2) | 151 (1) | 123 (1) |
| C1—H1B⋯O1ii | 2.54 (2) | 160 (1) | 127 (1) |
| C2—H2A⋯O1i | 2.69 (2) | 149 (1) | 122 (1) |
| C2—H2B⋯O1iii | 2.50 (2) | 155 (1) | 129 (1) |
| C1—H1A⋯O2iv | 2.70 (2) | 110 (1) | 111 (1) |
| C1—H1B⋯O2v | 2.69 (2) | 122 (1) | 140 (1) |
| C2—H2A⋯O2vi | 2.77 (2) | 100 (1) | 127 (1) |
| C2—H2B⋯O2vii | 2.68 (2) | 125 (1) | 144 (1) |
Symmetry codes for phase 1: (i) 1 − x, y, 1 − z; (ii) 
− x, −
+ y, 1 − z; (iii) − + x, − + y, z; (iv) − x, − + y, −z. Symmetry codes for phase 2: (i) − x, − + y, − z; (ii) 1 − x, −y, 1 − z; (iii) − x, + y, − z; (iv) x, −1 + y, z; (v) − x, − + y, − z; (vi) − + x, − y, + z; (vii) −x, 1 − y, 1 − z.