Card No: 6746       Created: 29/06/2006    Last edition: 12/05/2017

Name: STEENSTRUPINE-(Ce)
Specification: [1], DF
Formula: Na14(Ce,La)6Mn2+Mn3+Fe2+2(Zr,Th)[Si6O18]2[PO4]73H2O
Symmetry Class: trigonal
Space Group: R 3(-)m
Unit Cell
Parameters:
a = 10.4600 | c = 45.4790
Number of Formula Unit: Z = 3Unit Cell Volume, Å3: Vc = 4309.28
Number of Atomic Position
per full Unit Cell
:
P/U = 372 Molar Volume, cm3/mol: Vm = 865.21
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 3.60
R-factor: -MU, 1/cm: µ = 619.022
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 172.131
Theta-Interval for CPDP: T/I = 1-45