Card No: 415       Created: 16/03/1999    Last edition: 13/01/2009

Name: BARITE
Specification: [12], structure type - barite
Formula: BaSO4
Symmetry Class: orthorhombic
Space Group: P bnm
Unit Cell
Parameters:
a = 7.1540 | b = 8.8790 | c = 5.4540
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 346.44
Number of Atomic Position
per full Unit Cell
:
P/U = 24 Molar Volume, cm3/mol: Vm = 52.17
Number of Reflexes used in
Structure Determination
:

NR = 1121
X-ray density, g/cm3: p = 4.47
R-factor: R = 0.0190MU, 1/cm: µ = 937.517
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 209.578
Theta-Interval for CPDP: T/I = 1-45