Card No: 6172       Created: 01/06/2005    Last edition: 13/01/2009

Name: BARITE
Specification: [15], structure type - barite, analogue, at 21 GPa+1450oK
Formula: CaSO4
Symmetry Class: orthorhombic
Space Group: P bnm
Unit Cell
Parameters:
a = 6.3365 | b = 7.5347 | c = 4.9532
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 236.48
Number of Atomic Position
per full Unit Cell
:
P/U = 24 Molar Volume, cm3/mol: Vm = 35.61
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 3.82
R-factor: -MU, 1/cm: µ = 283.180
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 74.084
Theta-Interval for CPDP: T/I = 1-45