Card No: 3949       Created: 29/04/1988    Last edition: 13/01/2009

Name: REINHARDBRAUNSITE
Specification: [2], structure type - chondrodite
Formula: Ca5[SiO4]2(OH)2
Symmetry Class: monoclinic-gamma
Space Group: P 2(1)/b
Unit Cell
Parameters:
a = 8.9210 | b = 11.4480 | c = 5.0760 | gamma = 108.3200
Number of Formula Unit: Z = 2Unit Cell Volume, Å3: Vc = 492.13
Number of Atomic Position
per full Unit Cell
:
P/U = 34 Molar Volume, cm3/mol: Vm = 148.21
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 2.81
R-factor: -MU, 1/cm: µ = 254.392
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 90.524
Theta-Interval for CPDP: T/I = 1-45