Table 2. Equilibrium Mn–Br distances (Angstroms) Calculated by DFT in Five A2ZnBr4 Hosts.
| compound | d1 | d2 | d3 | d4 | daverage |
|---|---|---|---|---|---|
| Li2ZnBr4 | 2.378 | 2.386 | 2.380 | 2.378 | 2.380 |
| Na2ZnBr4 | 2.383 | 2.381 | 2.383 | 2.384 | 2.383 |
| K2ZnBr4 | 2.363 | 2.363 | 2.380 | 2.382 | 2.372 |
| Rb2ZnBr4 | 2.373 | 2.377 | 2.355 | 2.355 | 2.365 |
| Cs2ZnBr4 | 2.354 | 2.386 | 2.354 | 2.374 | 2.367 |