Card No: 4745       Created: 28/10/1999    Last edition: 13/01/2009

Name: TIEMANNITE
Specification: [1], structure type - sphalerite
Formula: HgSe
Symmetry Class: cubic
Space Group: F 4(-)3m
Unit Cell
Parameters:
a = 6.0840
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 225.20
Number of Atomic Position
per full Unit Cell
:
P/U = 8 Molar Volume, cm3/mol: Vm = 33.91
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 8.24
R-factor: -MU, 1/cm: µ = 1490.299
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 180.806
Theta-Interval for CPDP: T/I = 1-45