Card No: 1822       Created: 08/04/1993    Last edition: 13/01/2009

Name: GUERINITE
Specification: [1], DF
Formula: Ca5[HAsO4]2[AsO4]2 · 9H2O
Symmetry Class: monoclinic-beta
Space Group: P 2(1)/n
Unit Cell
Parameters:
a = 17.6300 | b = 6.7340 | c = 23.4700 | beta = 90.6000
Number of Formula Unit: Z = 5Unit Cell Volume, Å3: Vc = 2786.22
Number of Atomic Position
per full Unit Cell
:
P/U = 172 Molar Volume, cm3/mol: Vm = 335.65
Number of Reflexes used in
Structure Determination
:

NR = 1251
X-ray density, g/cm3: p = 2.68
R-factor: R = 0.1300MU, 1/cm: µ = 184.874
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 68.941
Theta-Interval for CPDP: T/I = 1-30