| Name: | UMANGITE | ||
| Specification: | [2], structure type - defective fluorite | ||
| Formula: | Cu3Se2 | ||
| Symmetry Class: | tetragonal | ||
| Space Group: | P 4(-)2(1)m | ||
| Unit Cell Parameters: | a = 6.3080 | c = 4.3050 | ||
| Number of Formula Unit: | Z = 2 | Unit Cell Volume, Å3: | Vc = 171.30 |
| Number of Atomic Position per full Unit Cell: | P/U = 10 | Molar Volume, cm3/mol: | Vm = 51.59 |
| Number of Reflexes used in Structure Determination: | - | X-ray density, g/cm3: | p = 6.76 |
| R-factor: | - | MU, 1/cm: | µ = 475.202 |
| Wave Length for Calculated Powder Diffraction Patterns: | Cu=1.54056 | Mass attenuation coefficient, cm2/g: | µ/p = 70.343 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||