Card No: 7117       Created: 02/04/1990    Last edition: 06/02/2012

Name: FROHBERGITE
Specification: [1], structure type - marcasite
Formula: FeTe2
Symmetry Class: orthorhombic
Space Group: P nnm
Unit Cell
Parameters:
a = 5.2900 | b = 6.2730 | c = 3.8790
Number of Formula Unit: Z = 2Unit Cell Volume, Å3: Vc = 128.72
Number of Atomic Position
per full Unit Cell
:
P/U = 6 Molar Volume, cm3/mol: Vm = 38.77
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 8.02
R-factor: R = 0.0450MU, 1/cm: µ = 2754.990
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 343.405
Theta-Interval for CPDP: T/I = 1-45