| Name: | SCHMIEDERITE | ||
| Specification: | [1] | ||
| Formula: | Pb2Cu2(OH)4[SeO3][SeO4] | ||
| Symmetry Class: | monoclinic-beta | ||
| Space Group: | P 2(1)/m | ||
| Unit Cell Parameters: | a = 9.9220 | b = 5.7120 | c = 9.3960 | beta = 101.9600 | ||
| Number of Formula Unit: | Z = 2 | Unit Cell Volume, Å3: | Vc = 520.95 |
| Number of Atomic Position per full Unit Cell: | P/U = 34 | Molar Volume, cm3/mol: | Vm = 156.89 |
| Number of Reflexes used in Structure Determination: | - | X-ray density, g/cm3: | p = 5.60 |
| R-factor: | R = 0.0580 | MU, 1/cm: | µ = 760.724 |
| Wave Length for Calculated Powder Diffraction Patterns: | Cu=1.54056 | Mass attenuation coefficient, cm2/g: | µ/p = 135.733 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||