Card No: 1870       Created: 09/02/1995    Last edition: 21/03/2017

Name: HASTITE
Specification: [1], structure type - marcasite
Formula: CoSe2
Symmetry Class: orthorhombic
Space Group: P nnm
Unit Cell
Parameters:
a = 4.8400 | b = 5.7200 | c = 3.6000
Number of Formula Unit: Z = 2Unit Cell Volume, Å3: Vc = 99.67
Number of Atomic Position
per full Unit Cell
:
P/U = 6 Molar Volume, cm3/mol: Vm = 30.02
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 7.22
R-factor: -MU, 1/cm: µ = 856.426
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 118.558
Theta-Interval for CPDP: T/I = 1-45