Name: | ECKERMANNITE | ||
Specification: | [2], In, F-analogue, DF | ||
Formula: | NaNa2Mg4InSi8O22F2 | ||
Symmetry Class: | monoclinic-beta | ||
Space Group: | C 2/m | ||
Unit Cell Parameters: | a = 9.8527 | b = 18.0966 | c = 5.2928 | beta = 103.5210 | ||
Number of Formula Unit: | Z = 2 | Unit Cell Volume, Å3: | Vc = 917.55 |
Number of Atomic Position per full Unit Cell: | P/U = 82 | Molar Volume, cm3/mol: | Vm = 276.34 |
Number of Reflexes used in Structure Determination: | - | X-ray density, g/cm3: | p = 3.23 |
R-factor: | - | MU, 1/cm: | µ = 184.923 |
Wave Length for Calculated Powder Diffraction Patterns: | Cu=1.54056 | Mass attenuation coefficient, cm2/g: | µ/p = 57.256 |
Theta-Interval for CPDP: | T/I = 1-45 |