Card No: 10263       Created: 13/07/17    Last edition: 13/10/2017

Name: NIOBOAESCHYNITE-(Y)
Specification: [1]
Formula: (Y,U,Ca,Fe,Mn)(Nb,Ti,Ta)2(O,OH)6
Symmetry Class: orthorhombic
Space Group: P nma
Unit Cell
Parameters:
a = 10.8038 | b = 7.6800 | c = 5.1029
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 423.40
Number of Atomic Position
per full Unit Cell
:
P/U = 36 Molar Volume, cm3/mol: Vm = 63.76
Number of Reflexes used in
Structure Determination
:

NR = 369
X-ray density, g/cm3: p = 5.43
R-factor: R = 0.2530MU, 1/cm: µ = 929.891
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 171.395
Theta-Interval for CPDP: T/I = 1-45