Card No: 1949       Created: 30/01/1992    Last edition: 13/01/2009

Name: HETEROMORPHITE
Specification: [1]
Formula: Pb7Sb8S19
Symmetry Class: monoclinic-beta
Space Group: C 2/c
Unit Cell
Parameters:
a = 13.6280 | b = 11.9430 | c = 21.2850 | beta = 90.9200
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 3463.88
Number of Atomic Position
per full Unit Cell
:
P/U = 136 Molar Volume, cm3/mol: Vm = 521.61
Number of Reflexes used in
Structure Determination
:

NR = 2531
X-ray density, g/cm3: p = 5.82
R-factor: R = 0.1050MU, 1/cm: µ = 1253.184
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 215.506
Theta-Interval for CPDP: T/I = 1-30