Card No: 5915       Created: 14/04/2004    Last edition: 13/01/2009

Name: MELANOPHLOGITE
Specification: [2], low
Formula: 46[SiO2] · 6[N2,CO2] · 2[CH4,N2]
Symmetry Class: tetragonal
Space Group: P 4(2)/nbc
Unit Cell
Parameters:
a = 26.8180 | c = 13.3650
Number of Formula Unit: Z = 1Unit Cell Volume, Å3: Vc = 9612.18
Number of Atomic Position
per full Unit Cell
:
P/U = 584 Molar Volume, cm3/mol: Vm = 5789.77
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 1.98
R-factor: -MU, 1/cm: µ = 66.290
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 33.414
Theta-Interval for CPDP: T/I = 1-45