Card No: 3471       Created: 06/04/1990    Last edition: 24/08/2016

Name: PARARAMMELSBERGITE
Specification: [1]
Formula: As2Ni
Symmetry Class: orthorhombic
Space Group: P bca
Unit Cell
Parameters:
a = 5.7530 | b = 5.7990 | c = 11.4070
Number of Formula Unit: Z = 8Unit Cell Volume, Å3: Vc = 380.56
Number of Atomic Position
per full Unit Cell
:
P/U = 24 Molar Volume, cm3/mol: Vm = 28.65
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 7.28
R-factor: R = 0.0480MU, 1/cm: µ = 1372.223
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 188.559
Theta-Interval for CPDP: T/I = 1-45