Card No: 8715       Created: 21/02/13    Last edition: 27/07/2016

Name: REALGAR
Specification: [4], structure type - realgar, at 3.53 Gpa
Formula: AsS
Symmetry Class: monoclinic-beta
Space Group: P 2(1)/n
Unit Cell
Parameters:
a = 8.8730 | b = 12.7890 | c = 6.2510 | beta = 107.0000
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 678.35
Number of Atomic Position
per full Unit Cell
:
P/U = 32 Molar Volume, cm3/mol: Vm = 102.15
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 4.19
R-factor: -MU, 1/cm: µ = 356.498
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 85.108
Theta-Interval for CPDP: T/I = 1-45