Card No: 8750       Created: 10/01/14    Last edition: 09/03/2015

Name: ARSENOPYRITE
Specification: [2], structure type - arsenopyrite
Formula: FeAsS
Symmetry Class: monoclinic-beta
Space Group: P 2(1)/c
Unit Cell
Parameters:
a = 5.7612 | b = 5.6841 | c = 5.7674 | beta = 111.7000
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 175.46
Number of Atomic Position
per full Unit Cell
:
P/U = 12 Molar Volume, cm3/mol: Vm = 26.42
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 6.16
R-factor: -MU, 1/cm: µ = 639.525
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