Card No: 12346       Created: 10/09/25    Last edition: 06/04/2026

Name: ARGENTOPEARCEITE-T2ac
Specification: [1], DN
Formula: Ag16As2S11
Symmetry Class: trigonal
Space Group: P 321
Unit Cell
Parameters:
a = 14.8583 | c = 12.3038
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 2352.38
Number of Atomic Position
per full Unit Cell
:
P/U = 118 Molar Volume, cm3/mol: Vm = 354.23
Number of Reflexes used in
Structure Determination
:

NR = 3472
X-ray density, g/cm3: p = 311.10
R-factor: R = 0.0773MU, 1/cm: µ = 26606.424
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 85.525
Theta-Interval for CPDP: T/I = 1-45