Card No: 4677       Created: 07/10/1994    Last edition: 24/05/2017

Name: TENGERITE-(Y)
Specification: [1]
Formula: Y2[CO3]3 · 2[H2O]
Symmetry Class: orthorhombic
Space Group: B b2(1)m
Unit Cell
Parameters:
a = 6.0780 | b = 9.1570 | c = 15.1140
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 841.19
Number of Atomic Position
per full Unit Cell
:
P/U = 64 Molar Volume, cm3/mol: Vm = 126.67
Number of Reflexes used in
Structure Determination
:

NR = 765
X-ray density, g/cm3: p = 3.08
R-factor: R = 0.0450MU, 1/cm: µ = 205.363
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 66.737
Theta-Interval for CPDP: T/I = 1-45