Card No: 643       Created: 20/04/1992    Last edition: 20/08/2012

Name: BROMELLITE
Specification: [3], structure type - wurtzite 2H
Formula: BeO
Symmetry Class: hexagonal
Space Group: P 6(3)mc
Unit Cell
Parameters:
a = 2.6980 | c = 4.3800
Number of Formula Unit: Z = 2Unit Cell Volume, Å3: Vc = 27.61
Number of Atomic Position
per full Unit Cell
:
P/U = 4 Molar Volume, cm3/mol: Vm = 8.32
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 3.01
R-factor: -MU, 1/cm: µ = 23.748
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 7.897
Theta-Interval for CPDP: T/I = 1-45