Card No: 2725       Created: 09/12/1991    Last edition: 11/03/2020

Name: MAKATITE
Specification: [1], syn
Formula: Na2Si4O8(OH)2 · 4H2O
Symmetry Class: monoclinic-beta
Space Group: P 2(1)/c
Unit Cell
Parameters:
a = 7.3881 | b = 18.0940 | c = 9.5234 | beta = 90.6400
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 1273.01
Number of Atomic Position
per full Unit Cell
:
P/U = 80 Molar Volume, cm3/mol: Vm = 191.70
Number of Reflexes used in
Structure Determination
:

NR = 834
X-ray density, g/cm3: p = 2.04
R-factor: R = 0.0510MU, 1/cm: µ = 56.649
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 27.821
Theta-Interval for CPDP: T/I = 1-30