Card No: 797       Created: 18/02/1991    Last edition: 03/04/2017

Name: CELSIAN
Specification: [2]
Formula: BaAl2Si2O8
Symmetry Class: monoclinic-beta
Space Group: I 2/c
Unit Cell
Parameters:
a = 8.6220 | b = 13.0780 | c = 14.4110 | beta = 115.0900
Number of Formula Unit: Z = 8Unit Cell Volume, Å3: Vc = 1471.64
Number of Atomic Position
per full Unit Cell
:
P/U = 104 Molar Volume, cm3/mol: Vm = 110.80
Number of Reflexes used in
Structure Determination
:

NR = 869
X-ray density, g/cm3: p = 3.34
R-factor: R = 0.0370MU, 1/cm: µ = 458.726
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 137.184
Theta-Interval for CPDP: T/I = 1-45