Name: | SKIPPENITE | ||
Specification: | [2], structure type - tetradymite | ||
Formula: | Bi2Se2Te | ||
Symmetry Class: | trigonal | ||
Space Group: | R 3(-)m | ||
Unit Cell Parameters: | a = 4.1830 | c = 29.1370 | ||
Number of Formula Unit: | Z = 3 | Unit Cell Volume, Å3: | Vc = 441.52 |
Number of Atomic Position per full Unit Cell: | P/U = 15 | Molar Volume, cm3/mol: | Vm = 88.65 |
Number of Reflexes used in Structure Determination: | NR = 125 | X-ray density, g/cm3: | p = 7.93 |
R-factor: | R = 0.0293 | MU, 1/cm: | µ = 1700.085 |
Wave Length for Calculated Powder Diffraction Patterns: | Cu=1.54056 | Mass attenuation coefficient, cm2/g: | µ/p = 214.260 |
Theta-Interval for CPDP: | T/I = 1-30 |