Card No: 590       Created: 27/05/1994    Last edition: 13/01/2009

Name: BORNHARDTITE
Specification: [1], structure type - spinel
Formula: CoCo2Se4
Symmetry Class: cubic
Space Group: *F d3m
Unit Cell
Parameters:
a = 10.2000
Number of Formula Unit: Z = 8Unit Cell Volume, Å3: Vc = 1061.21
Number of Atomic Position
per full Unit Cell
:
P/U = 56 Molar Volume, cm3/mol: Vm = 79.90
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 6.16
R-factor: -MU, 1/cm: µ = 688.523
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 111.684
Theta-Interval for CPDP: T/I = 1-45