Card No: 3297       Created: 15/06/1998    Last edition: 13/01/2009

Name: FORSTERITE
Specification: [64], structure type - olivine, analogue
Formula: Li2ZnCl4
Symmetry Class: orthorhombic
Space Group: P nma
Unit Cell
Parameters:
a = 12.7760 | b = 7.4176 | c = 6.1110
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 579.12
Number of Atomic Position
per full Unit Cell
:
P/U = 28 Molar Volume, cm3/mol: Vm = 87.21
Number of Reflexes used in
Structure Determination
:

NR = 257
X-ray density, g/cm3: p = 2.53
R-factor: R = 0.0270MU, 1/cm: µ = 217.669
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 85.874
Theta-Interval for CPDP: T/I = 1-45