Card No: 8149       Created: 4/05/11    Last edition: 28/07/2016

Name: ALLOCHALCOSELITE
Specification: [1]
Formula: Cu+Cu++5PbO2[SeO3]2Cl5
Symmetry Class: monoclinic-beta
Space Group: C 2/m
Unit Cell
Parameters:
a = 18.4680 | b = 6.1475 | c = 15.3140 | beta = 119.3000
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 1516.44
Number of Atomic Position
per full Unit Cell
:
P/U = 88 Molar Volume, cm3/mol: Vm = 228.35
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 4.60
R-factor: -MU, 1/cm: µ = 450.722
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 97.880
Theta-Interval for CPDP: T/I = 1-45