Card No: 4894       Created: 04/04/1988    Last edition: 26/05/2017

Name: TUNELLITE
Specification: [1]
Formula: SrO · 3B2O3 · 4H2O
Symmetry Class: monoclinic-beta
Space Group: P 2(1)/a
Unit Cell
Parameters:
a = 14.3900 | b = 8.2130 | c = 9.9340 | beta = 114.3000
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 1070.03
Number of Atomic Position
per full Unit Cell
:
P/U = 84 Molar Volume, cm3/mol: Vm = 161.13
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 2.34
R-factor: -MU, 1/cm: µ = 84.911
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 36.347
Theta-Interval for CPDP: T/I = 1-45