Table 2.
Mn-O bond distance and Mn-O-Mn bond angles for the perovskite manganites P00, P25 and P50 as well as the RP phases RP00, RP25 and RP50.
| System | Composition | Mn-O(1) | Mn-O(2) | Mn-O(1)-Mn | Mn-O(2)-Mn |
|---|---|---|---|---|---|
| P00 | CaMnO3 | 1.926 | 1.853, 1.929 | 151.0 | 160.5 |
| P25 | Ca0.75Pr0.25MnO3 | 1.919 | 1.842, 2.026 | 153.7 | 162.7 |
| P50 | Ca0.50Pr0.50MnO3 | 1.941 | 1.890, 2.015 | 155.6 | 161.4 |
| RP00 | Ca2MnO4 | 2.050 | 1.853 | – | 164.1 |
| RP25 | Ca1.75Pr0.25MnO4 | 2.035 | 1.874 | – | 180.0 |
| RP50 | Ca1.50Pr0.50MnO4 | 2.014, 1.920 * | 1.895 | – | 180.0 |
* Mn-O(3) located on apical site.