Card No: 620       Created: 02/08/1999    Last edition: 09/02/2017

Name: BRAVOITE
Specification: [1], structure type - pyrite
Formula: (Fe,Ni)S2
Symmetry Class: cubic
Space Group: P a3
Unit Cell
Parameters:
a = 5.5700
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 172.81
Number of Atomic Position
per full Unit Cell
:
P/U = 12 Molar Volume, cm3/mol: Vm = 26.02
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 4.66
R-factor: -MU, 1/cm: µ = 471.226
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 101.026
Theta-Interval for CPDP: T/I = 1-45