| No | A (Å) | b (Å) | c (Å) | β (˚) | V (Å3) | Space Group | References |
| 1 | 5.519(2) | 8.862(6) | 5.101(2) | 91.59(4) | 249.4(4) | P21/c | Leviel et al. |
| 2 | 5.526(1) | 8.881(8) | 5.105(1) | 91.49(1) | 250.4(2) | P21/c | Thalladi et al. |
| 3 | 5.477(1) | 8.880(1) | 5.027(1) | 92.91(1) | 241.7(2) | P21/c | Gopalan et al. |
| 4 | 5.48# | 8.84# | 5.07# | 91.60# | 246.0# | * | Reported by authors |
| 5 | 5.47# | 8.83# | 5.06# | 92.60# | ---- | * | Reported by authors |