Solid phase
Official name
Divanadium pentaoxide
Secondary names
Vanadium pentoxide; Vanadic anhydride; Divanadium pentoxide; Shcherbinaite
CAS number
1314-62-1
Type
Family
covalent network solid
Class
tridimentional covalent network solid
Compound type
oxide
Chemical composition
Formula
$V_2O_5$
Chemical formula
V2O5
Elemental formula
V2 O5
Isotope mixture type
terrestrial abundance
14.0
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$V$ Vanadium element 2 0.2857142857142857 1 constituent element main
$O$ Oxygen element 5 0.7142857142857143 1 constituent element main
Chemical bonds
  Bond Number
$V-O$
Class
tridimensional covalent networks (11)
Type
metal homonuclear tridimensional networks (elemental) (11.02)
Phase type
crystalline
Crystal system
orthorhombic
Crystal class
dipyramidal
Crystal class symbol
mmm (D2h)
Crystal spacegroup
Pmmm
Molar mass
181.8800 $g/mol$
Density
3.357 $g/cm^3$
State NTP
solid
Phase transitions
Phase transition type Other phases Temperature - Pressure
solid-liquid liquid V2O5 963 K (690°C)
Refringence type
biaxial
Birefringence
2.42
Color
yellow green, brown yellow
Diaphaneity
translucent
Luster
vitreous
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