Card No: 422       Created: 27/04/1988    Last edition: 09/08/2016

Name: BARYLITE
Specification: [1], structure type - barylite
Formula: BaBe2Si2O7
Symmetry Class: orthorhombic
Space Group: P nma
Unit Cell
Parameters:
a = 9.8200 | b = 11.6700 | c = 4.6900
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 537.47
Number of Atomic Position
per full Unit Cell
:
P/U = 48 Molar Volume, cm3/mol: Vm = 80.93
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 4.10
R-factor: -MU, 1/cm: µ = 646.743
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 157.930
Theta-Interval for CPDP: T/I = 1-45