Card No: 933       Created: 23/04/1992    Last edition: 13/01/2009

Name: CLINOFERROSILITE
Specification: [4], structure type - pigeonite
Formula: Fe2Si2O6
Symmetry Class: monoclinic-beta
Space Group: P 2(1)/c
Unit Cell
Parameters:
a = 9.7085 | b = 9.0872 | c = 5.2284 | beta = 108.4300
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 437.61
Number of Atomic Position
per full Unit Cell
:
P/U = 40 Molar Volume, cm3/mol: Vm = 65.90
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 4.00
R-factor: -MU, 1/cm: µ = 194.933
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 48.689
Theta-Interval for CPDP: T/I = 1-45