Card No: 3089       Created: 26/03/1993    Last edition: 13/01/2009

Name: NATROPHOSPHATE
Specification: [1], DF
Formula: Na7[PO4]2F · 19H2O
Symmetry Class: cubic
Space Group: *F d3c
Unit Cell
Parameters:
a = 27.7120
Number of Formula Unit: Z = 32Unit Cell Volume, Å3: Vc = 21281.57
Number of Atomic Position
per full Unit Cell
:
P/U = 1312 Molar Volume, cm3/mol: Vm = 400.58
Number of Reflexes used in
Structure Determination
:

NR = 365
X-ray density, g/cm3: p = 1.68
R-factor: R = 0.0360MU, 1/cm: µ = 36.725
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 21.836
Theta-Interval for CPDP: T/I = 1-45