Card No: 1297       Created: 27/02/1991    Last edition: 02/03/2017

Name: EAKERITE
Specification: [1]
Formula: Ca2SnAl2Si6O18(OH)2 · 2H2O
Symmetry Class: monoclinic-beta
Space Group: P 2(1)/a
Unit Cell
Parameters:
a = 15.8920 | b = 7.7210 | c = 7.4380 | beta = 101.3400
Number of Formula Unit: Z = 2Unit Cell Volume, Å3: Vc = 894.84
Number of Atomic Position
per full Unit Cell
:
P/U = 66 Molar Volume, cm3/mol: Vm = 269.50
Number of Reflexes used in
Structure Determination
:

NR = 1687
X-ray density, g/cm3: p = 2.89
R-factor: R = 0.0420MU, 1/cm: µ = 223.806
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 77.401
Theta-Interval for CPDP: T/I = 1-45