Card No: 5137       Created: 28/03/1988    Last edition: 13/01/2009

Name: VLASOVITE
Specification: [1]
Formula: Na2ZrSi4O11
Symmetry Class: monoclinic-beta
Space Group: C 2/c
Unit Cell
Parameters:
a = 10.9800 | b = 10.0000 | c = 8.5200 | beta = 100.4000
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 920.13
Number of Atomic Position
per full Unit Cell
:
P/U = 72 Molar Volume, cm3/mol: Vm = 138.56
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 3.07
R-factor: -MU, 1/cm: µ = 167.856
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 54.662
Theta-Interval for CPDP: T/I = 1-45