Card No: 1291       Created: 24/02/1995    Last edition: 13/01/2009

Name: DUSSERTITE
Specification: [1], structure type - alunite
Formula: BaFe3[AsO4]2(OH)5 · H2O
Symmetry Class: trigonal
Space Group: R 3(-)m
Unit Cell
Parameters:
a = 7.4000 | c = 17.4800
Number of Formula Unit: Z = 3Unit Cell Volume, Å3: Vc = 828.96
Number of Atomic Position
per full Unit Cell
:
P/U = 60 Molar Volume, cm3/mol: Vm = 166.44
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 4.08
R-factor: -MU, 1/cm: µ = 574.326
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 140.858
Theta-Interval for CPDP: T/I = 1-45