Card No: 336       Created: 10/12/96    Last edition: 10/09/2014

Name: ARSENOGORCEIXITE
Specification: [1], structure type - alunite, DN
Formula: BaAl3H[AsO4]2(OH)6
Symmetry Class: trigonal
Space Group: R 3(-)m
Unit Cell
Parameters:
a = 7.1000 | c = 16.1920
Number of Formula Unit: Z = 3Unit Cell Volume, Å3: Vc = 706.88
Number of Atomic Position
per full Unit Cell
:
P/U = 75 Molar Volume, cm3/mol: Vm = 141.93
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 4.17
R-factor: -MU, 1/cm: µ = 453.836
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 108.746
Theta-Interval for CPDP: T/I = 1-45