| Name: | FRANCISITE | ||
| Specification: | [2], Er-analogue | ||
| Formula: | Cu3Er[SeO3]2O2Cl | ||
| Symmetry Class: | orthorhombic | ||
| Space Group: | *P mmn | ||
| Unit Cell Parameters: | a = 6.2990 | b = 9.4320 | c = 6.9670 | ||
| Number of Formula Unit: | Z = 2 | Unit Cell Volume, Å3: | Vc = 413.92 |
| Number of Atomic Position per full Unit Cell: | P/U = 30 | Molar Volume, cm3/mol: | Vm = 124.66 |
| Number of Reflexes used in Structure Determination: | NR = 482 | X-ray density, g/cm3: | p = 5.45 |
| R-factor: | R = 0.0340 | MU, 1/cm: | µ = 418.778 |
| Wave Length for Calculated Powder Diffraction Patterns: | Cu=1.54056 | Mass attenuation coefficient, cm2/g: | µ/p = 76.865 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||