Card No: 12118       Created: 18/09/24    Last edition: 01/04/2026

Name: HYDRIDE_Y
Specification: [1], structure type - fluorite
Formula: YH2
Symmetry Class: cubic
Space Group: F m3m
Unit Cell
Parameters:
a = 5.1990
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 140.53
Number of Atomic Position
per full Unit Cell
:
P/U = 12 Molar Volume, cm3/mol: Vm = 21.16
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 4.30
R-factor: -MU, 1/cm: µ = 562.958
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 131.038
Theta-Interval for CPDP: T/I = 1-55