Card No: 566       Created: 08/06/1988    Last edition: 13/01/2009

Name: BORAX
Specification: [1]
Formula: Na2B4O7 · 10H2O
Symmetry Class: monoclinic-beta
Space Group: C 2/c
Unit Cell
Parameters:
a = 11.8580 | b = 10.6700 | c = 12.1970 | beta = 106.6900
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 1478.21
Number of Atomic Position
per full Unit Cell
:
P/U = 92 Molar Volume, cm3/mol: Vm = 222.60
Number of Reflexes used in
Structure Determination
:

NR = 1800
X-ray density, g/cm3: p = 1.62
R-factor: R = 0.2200MU, 1/cm: µ = 20.731
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 12.777
Theta-Interval for CPDP: T/I = 1-45