Card No: 3436       Created: 17/05/1988    Last edition: 13/01/2009

Name: PARABUTLERITE
Specification: [1]
Formula: FeSO4OH · 2H2O
Symmetry Class: orthorhombic
Space Group: P nma
Unit Cell
Parameters:
a = 20.1300 | b = 7.3800 | c = 7.2200
Number of Formula Unit: Z = 8Unit Cell Volume, Å3: Vc = 1072.60
Number of Atomic Position
per full Unit Cell
:
P/U = 72 Molar Volume, cm3/mol: Vm = 80.76
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 2.47
R-factor: -MU, 1/cm: µ = 115.174
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 46.535
Theta-Interval for CPDP: T/I = 1-45