Solid phase
- Official name
- Lanthanum(III) phosphate
- Secondary names
- Lanthanum phosphate; Lanthanum orthophosphate; lanthanum(3+);phosphate; Phosphoric acid, lanthanum(3+) salt (1:1); hexagonal-LaPO4; LaPO4-hex; LaPO4-ht
- CAS number
- 13778-59-1
- Family
- ionic solid
- Class
- normal salt
- Compound type
- phosphate
- Formula
- $La^{3+} \cdot PO_4^{3-}$
- Chemical formula
- LaPO4
- Elemental formula
- (La3+) P O (O-)3
- Isotope mixture type
- terrestrial abundance
- Class
- normal salts (07)
- Type
- simple normal salts (07.01)
- Phase name
- hexagonal-LaPO4
- Phase type
- crystalline
- Crystal system
- hexagonal
- Crystal class
- trapezohedral
- Crystal class symbol
- 622 (D6)
- Crystal spacegroup
- P6(2)22
- Comments
- another less stable (highet T ?) monoclinic phase also exit with crystal_spacegroup = P2(1)/c
- Molar mass
- 233.877 $g/mol$
- Density
- 3.92 $g/cm^3$
- State NTP
- solid
- Phase transitions
-
Phase transition type Other phases Temperature - Pressure solid-solid monoclinic-LaPO4 below ?? K
- Refringence type
- uniaxial