Card No: 1615       Created: 28/12/1993    Last edition: 13/01/2009

Name: FREUDENBERGITE
Specification: [2], structure type - freudenbergite, analogue, DN
Formula: Na0.35Fe0.69Ti3.35O8
Symmetry Class: monoclinic-beta
Space Group: C 2/m
Unit Cell
Parameters:
a = 12.2960 | b = 3.8210 | c = 6.5050 | beta = 107.2800
Number of Formula Unit: Z = 2Unit Cell Volume, Å3: Vc = 291.83
Number of Atomic Position
per full Unit Cell
:
P/U = 26 Molar Volume, cm3/mol: Vm = 87.89
Number of Reflexes used in
Structure Determination
:

NR = 1094
X-ray density, g/cm3: p = 3.86
R-factor: R = 0.0610MU, 1/cm: µ = 617.084
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 159.838
Theta-Interval for CPDP: T/I = 1-45