Card No: 341       Created: 24/03/1988    Last edition: 13/01/2014

Name: ARSENOPYRITE
Specification: [1], "distorted" structure type - arsenopyrite
Formula: FeAsS
Symmetry Class: triclinic
Space Group: P 1(-)
Unit Cell
Parameters:
a = 5.7440 | b = 5.6750 | c = 5.7850 | alpha = 90.0000 | beta = 112.3000 | gamma = 90.0000
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 174.47
Number of Atomic Position
per full Unit Cell
:
P/U = 12 Molar Volume, cm3/mol: Vm = 26.27
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 6.20
R-factor: -MU, 1/cm: µ = 643.136
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 103.783
Theta-Interval for CPDP: T/I = 1-45