Solid phase
Official name
Yttrium hydroxide
Secondary names
Yttrium(III) hydroxide; Yttrium trihydroxide; Y(OH)3
CAS number
16469-22-0
Type
Family
ionic solid
Class
alkali salt
Compound type
hydroxide
Chemical composition
Formula
$Y(OH)_3$
Chemical formula
Y(OH)3
Elemental formula
(Y3+) H3 (O-)3
Isotope mixture type
terrestrial abundance
8.0
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$Y^{3+}$ Yttrium cation element 1 0.25 1 constituent cation main
$HO^-$ Hydroxide ion molecule 3 0.75 1 molecular ion main
Chemical functions
  Function Number
$(OH)^-$ 3
Chemical bonds
  Bond Number
$\cdot (\cdot) Y^{3+} \cdot O^{-}-$ 3
$O^--H$ 1
$O^--H$ 1
Class
alkali salts (06)
Type
simple alkali salts (06.01)
Phase type
crystalline
Crystal system
hexagonal
Crystal class
dipyramidal
Crystal class symbol
6/m (C6h)
Crystal spacegroup
P6(3)/m
Comments
from Material project
Molar mass
139.927 $g/mol$
Density
3.73 $g/cm^3$
State NTP
solid
Refringence type
uniaxial
Pure color
white
Color
white
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