Card No: 1172       Created: 16/05/1989    Last edition: 13/01/2009

Name: DIGENITE
Specification: [1], "distorted" structure type - fluorite, DF
Formula: Cu7.2S4
Symmetry Class: cubic
Space Group: F m3m
Unit Cell
Parameters:
a = 5.5770
Number of Formula Unit: Z = 1Unit Cell Volume, Å3: Vc = 173.46
Number of Atomic Position
per full Unit Cell
:
P/U = 44 Molar Volume, cm3/mol: Vm = 104.48
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 5.56
R-factor: -MU, 1/cm: µ = 338.397
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 60.894
Theta-Interval for CPDP: T/I = 1-45