| Name: | CRICHTONITE | ||
| Specification: | [1], structure type - crichtonite | ||
| Formula: | (Sr,Pb)(Ti,Fe,Mn)21O38 | ||
| Symmetry Class: | rhombohedral | ||
| Space Group: | *R 3(-) | ||
| Unit Cell Parameters: | a = 9.1480 | alpha = 69.0780 | ||
| Number of Formula Unit: | Z = 1 | Unit Cell Volume, Å3: | Vc = 644.40 |
| Number of Atomic Position per full Unit Cell: | P/U = 60 | Molar Volume, cm3/mol: | Vm = 388.14 |
| Number of Reflexes used in Structure Determination: | NR = 505 | X-ray density, g/cm3: | p = 4.57 |
| R-factor: | R = 0.0400 | MU, 1/cm: | µ = 661.921 |
| Wave Length for Calculated Powder Diffraction Patterns: | Co=1.78892 | Mass attenuation coefficient, cm2/g: | µ/p = 144.790 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||