Card No: 7263       Created: 14/05/2008    Last edition: 10/02/2012

Name: SKIPPENITE
Specification: [3], structure type - tetradymite, syn
Formula: Bi2Se2Te
Symmetry Class: trigonal
Space Group: R 3(-)m
Unit Cell
Parameters:
a = 4.2180 | c = 29.2400
Number of Formula Unit: Z = 3Unit Cell Volume, Å3: Vc = 450.53
Number of Atomic Position
per full Unit Cell
:
P/U = 15 Molar Volume, cm3/mol: Vm = 90.46
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 7.78
R-factor: -MU, 1/cm: µ = 1666.099
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