Solid phase
Official name
Neodymium(III) phosphate
Secondary names
Neodymium phosphate; Neodymium orthophosphate; Neodymium(3+);phosphate; Phosphoric acid, neodymium(3+) salt (1:1); hexagonal-NdPO4; NdPO4-hex; NdPO4-ht
CAS number
14298-32-9
Type
Family
ionic solid
Class
normal salt
Compound type
phosphate
Chemical composition
Formula
$Nd^{3+} \cdot PO_4^{3-}$
Chemical formula
NdPO4
Elemental formula
(Nd3+) P O (O-)3
Isotope mixture type
terrestrial abundance
4.0
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$Nd^{3+}$ Neodymium cation element 1 0.5 1 constituent cation main
$(PO_4)^{3-}$ Phosphate anion chemical function 1 0.5 1 anionic radical main
Chemical functions
  Function Number
$(PO_4)^{3-}$ 1
Chemical bonds
  Bond Number
$\cdot (\cdot) Nd^{3+} \cdot O^{-}-$ 3
$\dddot - \dddot - \dddot - P \dddot - O^{-3/4}$ 4
Class
normal salts (07)
Type
simple normal salts (07.01)
Phase name
hexagonal-NdPO4
Phase type
crystalline
Crystal system
hexagonal
Crystal class
trapezohedral
Crystal class symbol
622 (D6)
Crystal spacegroup
P6(2)22
Molar mass
239.21 $g/mol$
Density
4.18 $g/cm^3$
State NTP
solid
Phase transitions
Phase transition type Other phases Temperature - Pressure
solid-solid monoclinic-NdPO4 below ?? K
Refringence type
uniaxial
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