Card No: 7327       Created: 21/07/2008    Last edition: 25/03/2015

Name: EAKERITE
Specification: [2]
Formula: Ca2SnAl2Si6O18(OH)2 · 2H2O
Symmetry Class: monoclinic-beta
Space Group: P 2(1)/a
Unit Cell
Parameters:
a = 15.8202 | b = 7.6963 | c = 7.4449 | beta = 101.2930
Number of Formula Unit: Z = 2Unit Cell Volume, Å3: Vc = 888.92
Number of Atomic Position
per full Unit Cell
:
P/U = 78 Molar Volume, cm3/mol: Vm = 267.71
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 2.91
R-factor: -MU, 1/cm: µ = 225.047
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 77.315
Theta-Interval for CPDP: T/I = 1-45