Card No: 4987       Created: 21/08/2009    Last edition: 08/01/2013

Name: MAGNESIOCHROMITE
Specification: [3], structure type - spinel, syn
Formula: Mg0.80Fe0.20Cr2O4
Symmetry Class: cubic
Space Group: *F d3m
Unit Cell
Parameters:
a = 8.3415
Number of Formula Unit: Z = 8Unit Cell Volume, Å3: Vc = 580.41
Number of Atomic Position
per full Unit Cell
:
P/U = 56 Molar Volume, cm3/mol: Vm = 43.70
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 4.67
R-factor: -MU, 1/cm: µ = 978.420
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 209.656
Theta-Interval for CPDP: T/I = 1-45