Solid phase
Official name
Sodium vanadate(V) dihydrate
Secondary names
Sodium orthovanadate dihydrate; Sodium vanadium oxide dihydrate; Trisodium;trioxido(oxo)vanadium dihydrate; Trisodium vanadate dihydrate; Sodium pervanadate dihydrate; Trisodium tetraoxovanadate dihydrate; Vanadic acid, trisodium salt, dihydrate
Type
Family
ionic solid
Class
alkali salt
Compound type
vanadate
Chemical composition
Formula
$(Na^+)_3 \cdot (VO_4)^{3-} \bullet 2(H_2O)$
Chemical formula
Na3.VO4•2H2O
Elemental formula
(Na+)3 V O3 (O-)3 H4
Isotope mixture type
terrestrial abundance
12.0
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$Na^+$ Sodium cation element 3 0.5 1 constituent cation main
$[VO_4]^{3-}$ Orthovanadate anion molecule 1 0.16666666666666666 1 molecular ion main
$H_2O$ Water molecule 2 0.3333333333333333 1 hydration main
Chemical functions
  Function Number
$(VO_4)^{3-}$ 2
$R-OH$ 2
Chemical bonds
  Bond Number
$Na^+ \cdot O^{-}-$ 3
$-O \dots H-$ 4
$V=O$ 1
$=V-O^{-}$ 3
$-O-H$ 2
$\dddot - \dddot - \dddot - V \dddot - O^{-3/4}$ 4
Class
alkali salts (06)
Type
hydrated simple alkali salts (06.04)
Phase type
crystalline
Crystal system
trigonal
Molar mass
219.938 $g/mol$
Density
2.16 (anhydrous) $g/cm^3$
State NTP
solid
Refringence type
uniaxial
Pure color
colorless
Color
colorless, white
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