Card No: 2643       Created: 19/11/1998    Last edition: 20/08/2015

Name: LORENZENITE
Specification: [1]
Formula: Na2Ti2Si2O9
Symmetry Class: orthorhombic
Space Group: P nca
Unit Cell
Parameters:
a = 14.5180 | b = 8.9760 | c = 5.0810
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 662.12
Number of Atomic Position
per full Unit Cell
:
P/U = 60 Molar Volume, cm3/mol: Vm = 99.71
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 3.43
R-factor: -MU, 1/cm: µ = 264.451
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 77.119
Theta-Interval for CPDP: T/I = 1-45