Card No: 2472       Created: 02/03/1990    Last edition: 26/06/2018

Name: LANGITE
Specification: [1]
Formula: Cu4(OH)6SO4 · 2H2O
Symmetry Class: monoclinic-beta
Space Group: P c
Unit Cell
Parameters:
a = 7.1370 | b = 6.0310 | c = 11.2170 | beta = 90.0000
Number of Formula Unit: Z = 2Unit Cell Volume, Å3: Vc = 482.82
Number of Atomic Position
per full Unit Cell
:
P/U = 34 Molar Volume, cm3/mol: Vm = 145.41
Number of Reflexes used in
Structure Determination
:

NR = 3093
X-ray density, g/cm3: p = 3.29
R-factor: R = 0.0440MU, 1/cm: µ = 127.286
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 38.707
Theta-Interval for CPDP: T/I = 1-45