| Compositions | a/nm | b/nm | c/nm | β/˚ |
| Cs2Ti5O11・1.7H2O | 2.470 (3) | 0.3785 (4) | 1.573 (2) | 123.7 (1) |
| Li2Ti5O11・3.6H2O | 2.48 | 0.376 | 1.76 | 127 |
| Na2Ti5O11・4.1H2O | 2.58 | 0.375 | 1.77 | 125 |
| H2Ti5O11・3.3H2O | 2.53 | 0.375 | 1.76 | 125 |