Constituent
Name
LaCO3F
Official name
Lanthanum fluorocarbonate
Family
ionic solid
Class
alkali salt
Compound type
carbonate
Constituent abundance in material
Relevance
main - major
Arrangement
single phase
Mass fraction
1.0
Mole fraction
1.0
Chemical composition
Formula
$LaCO_3F$
Chemical formula
LaCO3F
Elemental formula
(La3+) C O (O-)2 (F-)
Isotope mixture type
terrestrial abundance
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$La^{3+}$ Lanthanum cation element 1 0.3333333333333333 1 constituent cation main
$(CO_3)^{2-}$ Carbonate anion chemical function 1 0.3333333333333333 1 anionic radical main
$F^-$ Fluoride anion element 1 0.3333333333333333 1 constituent anion main
Chemical functions
  Function Number
$(CO_3)^{2-}$ 1
Chemical bonds
  Bond Number
$\cdot (\cdot) La^{3+} \cdot O^{-}-$ 2
$\cdot (\cdot) La^{3+} \cdot F^{-}$ 1
$\dddot - \dddot - C \dddot - O^{-2/3}$ 3
Class
alkali salts (06)
Type
double alkali salts (06.02)
Phase type
crystalline
Crystal system
hexagonal
Crystal class
ditrigonal-dipyramidal
Crystal class symbol
-6m2 (D3h)
Crystal spacegroup
P-62m
Texture
polycrystalline
Molar mass
217.913 $g/mol$
Density
4.74 $g/cm^3$
Refringence type
uniaxial
Refringence sign
positive
Birefringence
0.10
Refraction index $n_{\alpha}$
1.72
Refraction index $n_{\beta}$
1.82
Color
honey-yellow, reddish brown
Diaphaneity
transparent to translucent
Luster
vitreous