Card No: 5155       Created: 07/09/2001    Last edition: 19/07/2018

Name: VUONNEMITE
Specification: [3]
Formula: Na11Ti4+Nb2[Si2O7]2[PO4]2O3(F,OH)
Symmetry Class: triclinic
Space Group: P 1(-)
Unit Cell
Parameters:
a = 5.4970 | b = 7.1630 | c = 14.4370 | alpha = 92.5500 | beta = 95.3000 | gamma = 90.6100
Number of Formula Unit: Z = 1Unit Cell Volume, Å3: Vc = 565.40
Number of Atomic Position
per full Unit Cell
:
P/U = 47 Molar Volume, cm3/mol: Vm = 340.56
Number of Reflexes used in
Structure Determination
:

NR = 3097
X-ray density, g/cm3: p = 3.30
R-factor: R = 0.0200MU, 1/cm: µ = 211.828
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 64.146
Theta-Interval for CPDP: T/I = 1-45