Card No: 8076       Created: 18/08/2011    Last edition: 25/03/2015

Name: FERROERICSSONITE
Specification: [1]
Formula: BaFe++2Fe+++[Si2O7]O(OH,Cl)
Symmetry Class: monoclinic-beta
Space Group: C 2/m
Unit Cell
Parameters:
a = 20.3459 | b = 7.0119 | c = 5.3879 | beta = 94.9000
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 765.88
Number of Atomic Position
per full Unit Cell
:
P/U = 60 Molar Volume, cm3/mol: Vm = 115.33
Number of Reflexes used in
Structure Determination
:

NR = 885
X-ray density, g/cm3: p = 4.42
R-factor: R = 0.0356MU, 1/cm: µ = 706.586
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 159.711
Theta-Interval for CPDP: T/I = 1-45