Card No: 4722       Created: 18/08/1999    Last edition: 16/02/2012

Name: THEOPHRASTITE
Specification: [1], structure type - brucite
Formula: Ni(OH)2
Symmetry Class: trigonal
Space Group: P 3(-)m1
Unit Cell
Parameters:
a = 3.1310 | c = 4.6080
Number of Formula Unit: Z = 1Unit Cell Volume, Å3: Vc = 39.12
Number of Atomic Position
per full Unit Cell
:
P/U = 3 Molar Volume, cm3/mol: Vm = 23.56
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 3.85
R-factor: -MU, 1/cm: µ = 1153.905
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 299.829
Theta-Interval for CPDP: T/I = 1-45