Card No: 9243       Created: 10/02/15    Last edition: 22/06/2015

Name: BROWNEITE
Specification: [2], structure type - sphalerite, analogue
Formula: MnSe
Symmetry Class: cubic
Space Group: F 4(-)3m
Unit Cell
Parameters:
a = 5.8200
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 197.14
Number of Atomic Position
per full Unit Cell
:
P/U = 8 Molar Volume, cm3/mol: Vm = 29.69
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 4.51
R-factor: -MU, 1/cm: µ = 770.453
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 170.834
Theta-Interval for CPDP: T/I = 1-45