Card No: 2473       Created: 13/08/1999    Last edition: 11/06/2021

Name: LANGISITE
Specification: [1], structure type - nickeline
Formula: (Co,Ni)As
Symmetry Class: hexagonal
Space Group: P 6(3)/mmc
Unit Cell
Parameters:
a = 3.5380 | c = 5.1270
Number of Formula Unit: Z = 2Unit Cell Volume, Å3: Vc = 55.58
Number of Atomic Position
per full Unit Cell
:
P/U = 4 Molar Volume, cm3/mol: Vm = 16.74
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 7.99
R-factor: -MU, 1/cm: µ = 794.375
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 99.383
Theta-Interval for CPDP: T/I = 1-45