Samples | Molar formula Oxygen/Mol (NO) | Molar mass (g/mol) | ρ (g/cm3) | Molar volume (nm)3
| Calculated oxygen radius (nm) rcal(O2−) |
S1 | 1Cr2O3・44PbO・55P2O5 (322) | 17,782.8 | 4.175 | 0.0219 | 0.140 |
S2 | 2Cr2O3・43PbO・55P2O5 (324) | 17,711.6 | 4.238 | 0.0214 | 0.138 |
S3 | 3Cr2O3・42PbO・55P2O5 (326) | 17,640.4 | 4.134 | 0.0217 | 0.139 |
S4 | 4Cr2O3・41PbO・55P2O5 (328) | 17,569.2 | 4.136 | 0.0215 | 0.139 |