Card No: 12349       Created: 4/09/25    Last edition: 06/04/2026

Name: DEYNEKOITE
Specification: [1], DF
Formula: Ca9[]Fe3+[PO4]7
Symmetry Class: trigonal
Space Group: R 3c
Unit Cell
Parameters:
a = 10.3516 | c = 37.1599
Number of Formula Unit: Z = 6Unit Cell Volume, Å3: Vc = 3448.42
Number of Atomic Position
per full Unit Cell
:
P/U = 306 Molar Volume, cm3/mol: Vm = 346.19
Number of Reflexes used in
Structure Determination
:

NR = 1915
X-ray density, g/cm3: p = 3.09
R-factor: R = 0.0410MU, 1/cm: µ = 354.579
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 114.674
Theta-Interval for CPDP: T/I = 1-45