Card No: 421       Created: 31/07/1990    Last edition: 09/08/2016

Name: BARTONITE
Specification: [1]
Formula: K6Fe21S26(S,Cl)
Symmetry Class: tetragonal
Space Group: I 4/mmm
Unit Cell
Parameters:
a = 10.4240 | c = 20.6260
Number of Formula Unit: Z = 2Unit Cell Volume, Å3: Vc = 2241.22
Number of Atomic Position
per full Unit Cell
:
P/U = 114 Molar Volume, cm3/mol: Vm = 674.98
Number of Reflexes used in
Structure Determination
:

NR = 504
X-ray density, g/cm3: p = 3.29
R-factor: R = 0.0680MU, 1/cm: µ = 333.602
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 101.316
Theta-Interval for CPDP: T/I = 1-45