Card No: 4129       Created: 18/03/1991    Last edition: 20/04/2016

Name: SCHOONERITE
Specification: [1]
Formula: ZnMn2+Fe2+2Fe3+(OH)2[H2O]7[PO4]3 · 2H2O
Symmetry Class: orthorhombic
Space Group: P mab
Unit Cell
Parameters:
a = 11.1190 | b = 25.5460 | c = 6.4370
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 1828.40
Number of Atomic Position
per full Unit Cell
:
P/U = 124 Molar Volume, cm3/mol: Vm = 275.33
Number of Reflexes used in
Structure Determination
:

NR = 895
X-ray density, g/cm3: p = 2.79
R-factor: R = 0.0850MU, 1/cm: µ = 299.792
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 107.361
Theta-Interval for CPDP: T/I = 1-35