Card No: 7188       Created: 01/02/2008    Last edition: 25/09/2014

Name: HOPEITE
Specification: [3], structure type - hopeite, syn
Formula: Zn3[PO4]2 · 4H2O
Symmetry Class: orthorhombic
Space Group: P nma
Unit Cell
Parameters:
a = 10.5530 | b = 18.1990 | c = 5.0310
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 966.22
Number of Atomic Position
per full Unit Cell
:
P/U = 68 Molar Volume, cm3/mol: Vm = 145.50
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 3.15
R-factor: -MU, 1/cm: µ = 128.633
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 40.857
Theta-Interval for CPDP: T/I = 1-45