Card No: 2034       Created: 14/10/1993    Last edition: 25/09/2014

Name: HOPEITE
Specification: [1], structure type - hopeite
Formula: Zn3[PO4]2 · 4H2O
Symmetry Class: orthorhombic
Space Group: P nma
Unit Cell
Parameters:
a = 10.6290 | b = 18.3390 | c = 5.0400
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 982.42
Number of Atomic Position
per full Unit Cell
:
P/U = 100 Molar Volume, cm3/mol: Vm = 147.94
Number of Reflexes used in
Structure Determination
:

NR = 1471
X-ray density, g/cm3: p = 3.10
R-factor: R = 0.0680MU, 1/cm: µ = 125.909
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 40.662
Theta-Interval for CPDP: T/I = 1-45