Card No: 3715       Created: 01/03/1993    Last edition: 13/01/2009

Name: PLAGIONITE
Specification: [1]
Formula: Pb5Sb8S17
Symmetry Class: monoclinic-beta
Space Group: C 2/c
Unit Cell
Parameters:
a = 13.4857 | b = 11.8656 | c = 19.9834 | beta = 107.1680
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 3055.19
Number of Atomic Position
per full Unit Cell
:
P/U = 120 Molar Volume, cm3/mol: Vm = 460.06
Number of Reflexes used in
Structure Determination
:

NR = 2302
X-ray density, g/cm3: p = 5.55
R-factor: R = 0.1820MU, 1/cm: µ = 1199.460
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 216.003
Theta-Interval for CPDP: T/I = 1-45