Card No: 5361       Created: 23/05/1989    Last edition: 05/05/2017

Name: ZIMBABWEITE
Specification: [1]
Formula: Na(Pb,Na,K)2As4(Ta,Nb,Ti)4O18
Symmetry Class: orthorhombic
Space Group: *C cmb
Unit Cell
Parameters:
a = 12.2450 | b = 15.2870 | c = 8.6840
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 1625.55
Number of Atomic Position
per full Unit Cell
:
P/U = 116 Molar Volume, cm3/mol: Vm = 244.78
Number of Reflexes used in
Structure Determination
:

NR = 1335
X-ray density, g/cm3: p = 5.97
R-factor: R = 0.0700MU, 1/cm: µ = 745.105
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 124.755
Theta-Interval for CPDP: T/I = 1-45