Card No: 1075       Created: 26/04/1989    Last edition: 10/02/2012

Name: CROCOITE
Specification: [2], structure type - monazite
Formula: PbCrO4
Symmetry Class: monoclinic-beta
Space Group: P 2(1)/n
Unit Cell
Parameters:
a = 7.1450 | b = 7.4360 | c = 6.7950 | beta = 102.4000
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 352.60
Number of Atomic Position
per full Unit Cell
:
P/U = 24 Molar Volume, cm3/mol: Vm = 53.10
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 6.09
R-factor: -MU, 1/cm: µ = 1173.688
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 192.843
Theta-Interval for CPDP: T/I = 1-45