Card No: 2035       Created: 03/10/1997    Last edition: 22/03/2017

Name: HOPEITE
Specification: [2], structure type - hopeite
Formula: Zn3[PO4]2 · 4H2O
Symmetry Class: orthorhombic
Space Group: P nma
Unit Cell
Parameters:
a = 10.5970 | b = 18.3180 | c = 5.0310
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 976.60
Number of Atomic Position
per full Unit Cell
:
P/U = 68 Molar Volume, cm3/mol: Vm = 147.06
Number of Reflexes used in
Structure Determination
:

NR = 1421
X-ray density, g/cm3: p = 3.11
R-factor: R = 0.0260MU, 1/cm: µ = 127.267
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