| Compound | a | b | c | β |
| (Å) | (Å) | (Å) | (Å) | |
| MgCl2·4H2O | 5.8966(11) | 7.2684(7) | 8.4171(9) | 110.98(2) |
| FeCl2·4H2O | 5.885(3) | 7.180(6) | 8.514(4) | 111.09(2) |
| Compound | a | b | c | β |
| (Å) | (Å) | (Å) | (Å) | |
| MgCl2·4H2O | 5.8966(11) | 7.2684(7) | 8.4171(9) | 110.98(2) |
| FeCl2·4H2O | 5.885(3) | 7.180(6) | 8.514(4) | 111.09(2) |