Name: | AENIGMATITE | ||
Specification: | [2], structure type - aenigmatite | ||
Formula: | Na2Fe5TiSi6O20 | ||
Symmetry Class: | triclinic | ||
Space Group: | P 1(-) | ||
Unit Cell Parameters: | a = 10.4060 | b = 10.8130 | c = 8.9260 | alpha = 104.9300 | beta = 96.8700 | gamma = 125.3200 | ||
Number of Formula Unit: | Z = 2 | Unit Cell Volume, Å3: | Vc = 744.46 |
Number of Atomic Position per full Unit Cell: | P/U = 68 | Molar Volume, cm3/mol: | Vm = 224.21 |
Number of Reflexes used in Structure Determination: | NR = 1518 | X-ray density, g/cm3: | p = 3.87 |
R-factor: | R = 0.0920 | MU, 1/cm: | µ = 242.240 |
Wave Length for Calculated Powder Diffraction Patterns: | Co=1.78892 | Mass attenuation coefficient, cm2/g: | µ/p = 62.577 |
Theta-Interval for CPDP: | T/I = 1-45 |