| Name: | BRIARTITE | ||
| Specification: | [1], structure type - stannite | ||
| Formula: | Cu2FeGeS4 | ||
| Symmetry Class: | tetragonal | ||
| Space Group: | I 4(-)2m | ||
| Unit Cell Parameters: | a = 5.3250 | c = 10.5100 | ||
| Number of Formula Unit: | Z = 2 | Unit Cell Volume, Å3: | Vc = 298.02 |
| Number of Atomic Position per full Unit Cell: | P/U = 16 | Molar Volume, cm3/mol: | Vm = 89.75 |
| Number of Reflexes used in Structure Determination: | NR = 557 | X-ray density, g/cm3: | p = 4.28 |
| R-factor: | R = 0.0800 | MU, 1/cm: | µ = 342.676 |
| Wave Length for Calculated Powder Diffraction Patterns: | Co=1.78892 | Mass attenuation coefficient, cm2/g: | µ/p = 80.153 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||