Table 6. Hydrogen-bond geometry.
Hydrogen-bonding geometry in the LT form at 105K (Grbitz Sagstuen, 2008 ▶), in italics, is included in the table for comparison. All contacts have been recalculated with OH distances normalized to 0.985. The symmetry operations are given in Table 5 ▶
| HA () | D A () | DHA () | ||||
|---|---|---|---|---|---|---|
| DHA | 308K | 105K | 308K | 105K† | 308K | 105K |
| O5H5O2 | 1.946 | 1.917 | 2.607 (1) | 2.595 | 122.1 | 123.5 |
| O5H5O3vii | 2.600 | 2.528 | 3.377 (1) | 3.282 | 135.8 | 133.1 |
| O6H6O101x | 1.872 | 1.847 ‡ | 2.783 (3) | 2.812 ‡ | 152.6 | 165.8 ‡ |
| O6H6O102x | 2.304 | 3.204 (4) | 151.5 | |||
| O7H17O6 | 1.823 | 1.799 | 2.803 (1) | 2.783 | 172.2 | 176.5 |
| O7H27O4iv | 1.940 | 1.868 | 2.894 (1) | 2.850 | 162.6 | 174.4 |
| O8H18O3xiv | 1.728 | 1.714 | 2.709 (1) | 2.694 | 172.8 | 173.0 |
| O8H28O2i | 1.781 | 1.768 | 2.765 (1) | 2.750 | 175.7 | 175.2 |
| O9H19O2xiii | 2.282 | 2.410 | 3.106 (2) | 3.118 | 140.5 | 128.4 |
| O9H19O6xi | 2.428 | 2.279 | 3.152 (1) | 3.103 | 130.0 | 140.5 |
| O9H19O3xi | 2.681 | 2.504 | 3.189 (2) | 3.157 | 112.4 | 123.6 |
| O9H29O4viii | 1.835 | 1.803 | 2.816 (2) | 2.784 | 173.9 | 173.4 |
| O101H110O1ii | 1.786 | 1.770 § | 2.707 (5) | 2.712§ | 157.5 | 158.9 § |
| O102H210O9i | 1.833 | 1.796 ¶ | 2.713 (6) | 2.753 ¶ | 147.8 | 163.1 ¶ |
E.s.d.’s in the range (0.60.8) 103.
O6H6O10x.
O10H110O1ii.
O10H210O9i.