Card No: 835       Created: 19/11/1993    Last edition: 13/01/2009

Name: CHALCONATRONITE
Specification: [1]
Formula: Na2Cu[CO3]2 · 3H2O
Symmetry Class: monoclinic-beta
Space Group: P 2(1)/c
Unit Cell
Parameters:
a = 9.6910 | b = 6.0910 | c = 17.1110 | beta = 126.4000
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 812.96
Number of Atomic Position
per full Unit Cell
:
P/U = 80 Molar Volume, cm3/mol: Vm = 122.42
Number of Reflexes used in
Structure Determination
:

NR = 995
X-ray density, g/cm3: p = 2.32
R-factor: R = 0.0420MU, 1/cm: µ = 53.209
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 22.972
Theta-Interval for CPDP: T/I = 1-35