Table 1. Atomic Positions and Occupations (Occ.) in the Crystal Structure of KCaPO4 Reported in the ICSD, Structure Number 27958.
| atom | site | x | Y | Z | Occ. |
|---|---|---|---|---|---|
| O1 | 2d | 2/3 | 1/3 | 0.460 | 1 |
| O2 | 6i | 0.200 | –0.200 | 0.200 | 1 |
| Ca1 | 1a | 0 | 0 | 0 | 0.5 |
| K1 | 1a | 0 | 0 | 0 | 0.5 |
| Ca2 | 1b | 0 | 0 | 1/2 | 0.5 |
| K2 | 1b | 0 | 0 | 1/2 | 0.5 |
| Ca3 | 2d | 2/3 | 1/3 | 0.875 | 0.5 |
| K3 | 2d | 2/3 | 1/3 | 0.875 | 0.5 |
| P | 2d | 2/3 | 1/3 | 0.270 | 1 |