Card No: 1153       Created: 07/12/1993    Last edition: 15/06/2018

Name: DERBYLITE
Specification: [1], DN
Formula: Fe3+4Ti3SbO13(OH)
Symmetry Class: monoclinic-beta
Space Group: P 2(1)/m
Unit Cell
Parameters:
a = 7.1600 | b = 14.3470 | c = 4.9700 | beta = 104.6100
Number of Formula Unit: Z = 2Unit Cell Volume, Å3: Vc = 494.03
Number of Atomic Position
per full Unit Cell
:
P/U = 44 Molar Volume, cm3/mol: Vm = 148.79
Number of Reflexes used in
Structure Determination
:

NR = 2181
X-ray density, g/cm3: p = 4.43
R-factor: R = 0.0450MU, 1/cm: µ = 610.497
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 137.806
Theta-Interval for CPDP: T/I = 1-45