Card No: 3607       Created: 23/02/1993    Last edition: 29/08/2016

Name: PERRYITE
Specification: [1], syn
Formula: (Ni,Fe)8(Si,P)3
Symmetry Class: trigonal
Space Group: R 3c
Unit Cell
Parameters:
a = 6.6400 | c = 37.9820
Number of Formula Unit: Z = 12Unit Cell Volume, Å3: Vc = 1450.26
Number of Atomic Position
per full Unit Cell
:
P/U = 132 Molar Volume, cm3/mol: Vm = 72.80
Number of Reflexes used in
Structure Determination
:

NR = 333
X-ray density, g/cm3: p = 7.62
R-factor: R = 0.0270MU, 1/cm: µ = 566.676
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 74.337
Theta-Interval for CPDP: T/I = 1-45