Card No: 3974       Created: 21/09/1999    Last edition: 28/04/2017

Name: RICKARDITE
Specification: [1], structure type - rickardite, DN
Formula: Cu2.8Te2
Symmetry Class: tetragonal
Space Group: P 4/nmm
Unit Cell
Parameters:
a = 3.9800 | c = 6.1200
Number of Formula Unit: Z = 1Unit Cell Volume, Å3: Vc = 96.94
Number of Atomic Position
per full Unit Cell
:
P/U = 6 Molar Volume, cm3/mol: Vm = 58.39
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 7.42
R-factor: -MU, 1/cm: µ = 1393.484
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 187.886
Theta-Interval for CPDP: T/I = 1-45