Solid phase
Official name
Sodium vanadate(V)
Secondary names
Sodium orthovanadate; Trisodium vanadate; Sodium pervanadate; Sodium vanadium oxide; Trisodium tetraoxovanadate; Vanadic acid, trisodium salt
CAS number
13721-39-6
Type
Family
ionic solid
Class
normal salt
Compound type
vanadate
Chemical composition
Formula
Na+3.(VO4)3−
Chemical formula
Na3VO4
Elemental formula
(Na+)3 V O (O-)3
Isotope mixture type
terrestrial abundance
8.0
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
Na+ Sodium cation element 3 0.75 1 constituent cation main
[VO4]3− Orthovanadate anion molecule 1 0.25 1 molecular ion main
Chemical functions
  Function Number
(VO4)3− 1
Chemical bonds
  Bond Number
Na+⋅O−− 3
V=O 1
=V−O− 3
⃛−⃛−⃛−V⃛−O−3/4 4
Class
normal salts (07)
Type
simple normal salts (07.01)
Phase type
crystalline
Crystal system
orthorhombic
Crystal class
dipyramidal
Crystal class symbol
mmm (D2h)
Crystal spacegroup
Pnma
Molar mass
183.908 g/mol
Density
2.16 g/cm3
State NTP
solid
Phase transitions
Phase transition type Other phases Temperature - Pressure
solid-solid cubic phase ?
Phase transitions comments
There cubic (P2(1)3) high temperature phase (with unknown transition phase) melt at 858°C (1131K)
Refringence type
biaxial
Pure color
colorless
Color
white
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