Card No: 3470       Created: 30/01/1992    Last edition: 13/01/2009

Name: PARAPIERROTITE
Specification: [1]
Formula: TlSb5S8
Symmetry Class: monoclinic-beta
Space Group: P n
Unit Cell
Parameters:
a = 8.0980 | b = 19.4150 | c = 9.0590 | beta = 91.9600
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 1423.45
Number of Atomic Position
per full Unit Cell
:
P/U = 56 Molar Volume, cm3/mol: Vm = 214.35
Number of Reflexes used in
Structure Determination
:

NR = 4489
X-ray density, g/cm3: p = 4.99
R-factor: R = 0.0700MU, 1/cm: µ = 1086.854
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 217.832
Theta-Interval for CPDP: T/I = 1-40