Card No: 1876       Created: 23/10/1989    Last edition: 13/01/2009

Name: HAUSMANNITE
Specification: [1], "distorted" structure type - spinel
Formula: Mn3O4
Symmetry Class: tetragonal
Space Group: I 4(1)/amd
Unit Cell
Parameters:
a = 5.7600 | c = 9.4600
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 313.86
Number of Atomic Position
per full Unit Cell
:
P/U = 28 Molar Volume, cm3/mol: Vm = 47.26
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 4.84
R-factor: -MU, 1/cm: µ = 1009.306
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 208.505
Theta-Interval for CPDP: T/I = 1-45