Card No: 7106       Created: 06/08/2007    Last edition: 09/08/2012

Name: WESTERVELDITE
Specification: [4], structure type - modderite, syn, at 8.3 GPa
Formula: FeAs
Symmetry Class: orthorhombic
Space Group: P nam
Unit Cell
Parameters:
a = 5.3900 | b = 5.9280 | c = 3.2662
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 104.36
Number of Atomic Position
per full Unit Cell
:
P/U = 8 Molar Volume, cm3/mol: Vm = 15.72
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 8.32
R-factor: -MU, 1/cm: µ = 797.778
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 95.885
Theta-Interval for CPDP: T/I = 1-45