Solid phase
Official name
Lanthanum(III) chloride heptahydrate
Secondary names
Lanthanum trichloride heptahydrate
CAS number
10025-84-0
Type
Family
ionic solid
Class
normal salt
Compound type
chloride
Chemical composition
Formula
$LaCl_3 \\bullet 7H_2O$
Chemical formula
LaCl3•7H2O
Elemental formula
(La3+) (Cl-) H14 O7
Isotope mixture type
terrestrial abundance
18.0
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$La^{3+}$ Lanthanum cation element 1 0.1111111111111111 1 constituent cation main
$Cl^-$ Chloride anion element 1 0.1111111111111111 1 constituent anion main
$H_2O$ Water molecule 7 0.7777777777777778 1 hydration main
Chemical functions
  Function Number
$R-OH$ 2
Chemical bonds
  Bond Number
$\cdot (\cdot) La^{3+} \cdot Cl^{-}$ 3
$-O-H$ 2
Class
normal salts (07)
Type
simple normal salts (07.01)
Phase type
crystalline
Crystal system
hexagonal
Crystal class
dipyramidal
Crystal class symbol
6/m (C6h)
Crystal spacegroup
P6(3)/m
Molar mass
371.37 $g/mol$
State NTP
solid
Pure color
white
Color
white
Diaphaneity
transparent to translucent
Luster
vitreous
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