Solid phase
Official name
Cobalt(II) phosphate hydrates
Secondary names
Cobaltous phosphate hydrates; cobalt(2+);diphosphate hydrates
Family
ionic solid
Class
normal salt
Compound type
phosphate
Formula
$(Co^{2+})_3.(PO_4^{3-})_2 \bullet nH_2O$
Chemical formula
Co3(PO4)m.nH2O
Elemental formula
(Co2+)3 P2 (O)2-10 (O-)6 (H)0-16
Isotope mixture type
terrestrial abundance
18.0
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$Co^{2+}$ Cobaltous cation element 3 0.3333333333333333 1 constituent cation main
$(PO_4)^{3-}$ Phosphate anion chemical function 2 0.2222222222222222 1 anionic radical main
$H_2O$ Water molecule 0 - 8 0.4444444444444444 $\pm$ 0.4444444444444444 1 hydration main
Chemical functions
  Function Number
$(PO_4)^{3-}$ 2
$R-OH$ 2
Chemical bonds
  Bond Number
$\cdot Co^{2+} \cdot O^{-}-$ 3
$-O-H$ 2
$\dddot - \dddot - \dddot - P \dddot - O^{-3/4}$ 4
Class
normal salts (07)
Type
hydrated simple normal salts (07.04)
Phase type
crystalline
Crystal system
various
Molar mass
366.742 - 438.80 $g/mol$
Density
2.6 - 3.81 $g/cm^3$
State NTP
solid
Pure color
pale violet to violet, pale red