Card No: 2323       Created: 25/09/1995    Last edition: 13/01/2009

Name: KEMPITE
Specification: [1], beta, structure type - atacamite
Formula: Mn2(OH)3Cl
Symmetry Class: orthorhombic
Space Group: P nma
Unit Cell
Parameters:
a = 6.4700 | b = 7.1200 | c = 9.5200
Number of Formula Unit: Z = 36Unit Cell Volume, Å3: Vc = 438.55
Number of Atomic Position
per full Unit Cell
:
P/U = 36 Molar Volume, cm3/mol: Vm = 7.34
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 2.97
R-factor: -MU, 1/cm: µ = 539.403
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 181.441
Theta-Interval for CPDP: T/I = 1-45