Card No: 7059       Created: 30/05/2007    Last edition: 13/01/2009

Name: ROKUHNITE
Specification: [1], syn
Formula: Fe2+Cl2 · 2H2O
Symmetry Class: monoclinic-beta
Space Group: C 2/m
Unit Cell
Parameters:
a = 7.3550 | b = 8.5480 | c = 3.6370 | beta = 98.1800
Number of Formula Unit: Z = 2Unit Cell Volume, Å3: Vc = 226.33
Number of Atomic Position
per full Unit Cell
:
P/U = 18 Molar Volume, cm3/mol: Vm = 68.16
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 2.39
R-factor: -MU, 1/cm: µ = 219.090
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 91.754
Theta-Interval for CPDP: T/I = 1-45