| Name: | ERMAKOVITE | ||
| Specification: | [1], structure type - lucabindiite | ||
| Formula: | [NH4][As2O3]2Br | ||
| Symmetry Class: | hexagonal | ||
| Space Group: | P 6/mmm | ||
| Unit Cell Parameters: | a = 5.2710 | c = 9.1570 | ||
| Number of Formula Unit: | Z = 1 | Unit Cell Volume, Å3: | Vc = 220.33 |
| Number of Atomic Position per full Unit Cell: | P/U = 12 | Molar Volume, cm3/mol: | Vm = 132.71 |
| Number of Reflexes used in Structure Determination: | NR = 96 | X-ray density, g/cm3: | p = 3.74 |
| R-factor: | R = 0.0237 | MU, 1/cm: | µ = 271.263 |
| Wave Length for Calculated Powder Diffraction Patterns: | Cu=1.54056 | Mass attenuation coefficient, cm2/g: | µ/p = 72.579 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||