Card No: 3135       Created: 13/04/1994    Last edition: 13/01/2009

Name: UMBITE
Specification: [2]
Formula: K2Zr[Si3O9] · H2O
Symmetry Class: orthorhombic
Space Group: P 2(1)2(1)2(1)
Unit Cell
Parameters:
a = 10.2080 | b = 13.2410 | c = 7.1740
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 969.67
Number of Atomic Position
per full Unit Cell
:
P/U = 64 Molar Volume, cm3/mol: Vm = 146.02
Number of Reflexes used in
Structure Determination
:

NR = 876
X-ray density, g/cm3: p = 2.85
R-factor: R = 0.0610MU, 1/cm: µ = 213.618
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 75.047
Theta-Interval for CPDP: T/I = 1-45