Card No: 4127       Created: 17/03/1997    Last edition: 13/01/2009

Name: SCHOEPITE
Specification: [1], structure type - schoepite
Formula: [UO2]8O2(OH)12[H2O]12
Symmetry Class: orthorhombic
Space Group: P 2(1)ca
Unit Cell
Parameters:
a = 14.3370 | b = 16.8130 | c = 14.7310
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 3550.88
Number of Atomic Position
per full Unit Cell
:
P/U = 200 Molar Volume, cm3/mol: Vm = 534.71
Number of Reflexes used in
Structure Determination
:

NR = 4534
X-ray density, g/cm3: p = 4.89
R-factor: R = 0.0270MU, 1/cm: µ = 1268.646
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 259.690
Theta-Interval for CPDP: T/I = 1-45