Card No: 12098       Created: 2/10/24    Last edition: 27/03/2026

Name: EUCAIRITE
Specification: [2], structure type - eucairite, DN
Formula: CuAgSe
Symmetry Class: tetragonal
Space Group: *P 4/nmm
Unit Cell
Parameters:
a = 4.0830 | c = 6.3100
Number of Formula Unit: Z = 2Unit Cell Volume, Å3: Vc = 105.19
Number of Atomic Position
per full Unit Cell
:
P/U = 8 Molar Volume, cm3/mol: Vm = 31.68
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 7.90
R-factor: -MU, 1/cm: µ = 1605.359
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 203.158
Theta-Interval for CPDP: T/I = 1-45