| Name: | PYRRHOTITE | ||
| Specification: | [3], 4C | ||
| Formula: | Fe7S8 | ||
| Symmetry Class: | monoclinic-beta | ||
| Space Group: | F 2/d | ||
| Unit Cell Parameters: | a = 11.9020 | b = 6.8590 | c = 22.7870 | beta = 90.4600 | ||
| Number of Formula Unit: | Z = 8 | Unit Cell Volume, Å3: | Vc = 1860.18 |
| Number of Atomic Position per full Unit Cell: | P/U = 120 | Molar Volume, cm3/mol: | Vm = 140.06 |
| Number of Reflexes used in Structure Determination: | NR = 487 | X-ray density, g/cm3: | p = 4.62 |
| R-factor: | R = 0.0450 | MU, 1/cm: | µ = 396.380 |
| Wave Length for Calculated Powder Diffraction Patterns: | Co=1.78892 | Mass attenuation coefficient, cm2/g: | µ/p = 85.761 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||