Card No: 6386       Created: 06/07/2005    Last edition: 02/02/2017

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 = 3Unit 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 = 0.0293MU, 1/cm: µ = 1700.085
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 214.260
Theta-Interval for CPDP: T/I = 1-30