Card No: 4562       Created: 23/04/1992    Last edition: 02/03/2012

Name: STILLEITE
Specification: [1], structure type - sphalerite
Formula: ZnSe
Symmetry Class: cubic
Space Group: F 4(-)3m
Unit Cell
Parameters:
a = 5.6676
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 182.05
Number of Atomic Position
per full Unit Cell
:
P/U = 8 Molar Volume, cm3/mol: Vm = 27.41
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 5.26
R-factor: -MU, 1/cm: µ = 407.014
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 77.313
Theta-Interval for CPDP: T/I = 1-45