Card No: 2449       Created: 22/11/1989    Last edition: 03/04/2017

Name: LAMMERITE
Specification: [1]
Formula: Cu3[AsO4]2
Symmetry Class: monoclinic-beta
Space Group: P 2(1)/a
Unit Cell
Parameters:
a = 5.0790 | b = 11.6110 | c = 5.3940 | beta = 111.7200
Number of Formula Unit: Z = 2Unit Cell Volume, Å3: Vc = 295.51
Number of Atomic Position
per full Unit Cell
:
P/U = 26 Molar Volume, cm3/mol: Vm = 89.00
Number of Reflexes used in
Structure Determination
:

NR = 822
X-ray density, g/cm3: p = 5.26
R-factor: R = 0.0310MU, 1/cm: µ = 270.236
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 51.345
Theta-Interval for CPDP: T/I = 1-45