Card No: 3443       Created: 22/05/1990    Last edition: 21/04/2017

Name: PARACOQUIMBITE
Specification: [1]
Formula: Fe2[SO4]3 · 9H2O
Symmetry Class: trigonal
Space Group: R 3(-)
Unit Cell
Parameters:
a = 10.9300 | c = 51.3000
Number of Formula Unit: Z = 12Unit Cell Volume, Å3: Vc = 5307.48
Number of Atomic Position
per full Unit Cell
:
P/U = 312 Molar Volume, cm3/mol: Vm = 266.41
Number of Reflexes used in
Structure Determination
:

NR = 549
X-ray density, g/cm3: p = 2.04
R-factor: R = 0.0780MU, 1/cm: µ = 93.674
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 45.892
Theta-Interval for CPDP: T/I = 1-45