| Name: | PYROMORPHITE | ||
| Specification: | [5], structure type - apatite, syn | ||
| Formula: | Pb5[PO4]3Cl | ||
| Symmetry Class: | hexagonal | ||
| Space Group: | P 6(3)/m | ||
| Unit Cell Parameters: | a = 9.9837 | c = 7.3063 | ||
| Number of Formula Unit: | Z = 2 | Unit Cell Volume, Å3: | Vc = 630.68 |
| Number of Atomic Position per full Unit Cell: | P/U = 42 | Molar Volume, cm3/mol: | Vm = 189.94 |
| Number of Reflexes used in Structure Determination: | NR = 591 | X-ray density, g/cm3: | p = 6.88 |
| R-factor: | R = 0.0140 | MU, 1/cm: | µ = 1283.927 |
| Wave Length for Calculated Powder Diffraction Patterns: | Cu=1.54056 | Mass attenuation coefficient, cm2/g: | µ/p = 186.643 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||