Card No: 9814       Created: 19/07/16    Last edition: 28/03/2017

Name: ARAGONITE
Specification: [10], structure type - aragonite
Formula: CaCO3
Symmetry Class: orthorhombic
Space Group: P mcn
Unit Cell
Parameters:
a = 4.9606 | b = 7.9701 | c = 5.7418
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 227.01
Number of Atomic Position
per full Unit Cell
:
P/U = 20 Molar Volume, cm3/mol: Vm = 34.18
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 2.93
R-factor: -MU, 1/cm: µ = 207.678
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 70.939
Theta-Interval for CPDP: T/I = 1-45