Solid phase
Official name
Thallium(III) acetate
Secondary names
Thallium acetate; Thallium triacetate
CAS number
2570-63-0
Type
Family
ionic solid
Class
alkali salt
Compound type
organic salt
Chemical composition
Formula
$Tl^{3+}(CH_3COO^{-})_3$
Chemical formula
Tl(CH3COO)3
Elemental formula
(Tl+) C6 H9 O3 (O-)3
Isotope mixture type
terrestrial abundance
8.0
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$Tl^+$ Thallium cation element 1 0.25 1 constituent cation main
$(CH_3COO)^-$ Acetate ion molecule 3 0.75 1 molecular ion main
Chemical functions
  Function Number
$R-C(=O)-O^-$ 3
$R-CH_3$ 1
$R-C(=O)-O^-$ 1
Chemical bonds
  Bond Number
$\cdot (\cdot) Tl^{3+} \cdot O^{-}$ 3
$\geq C-H$ 3
$\eqslantgtr C-C\leq$ 1
$>C=O$ 1
$\eqslantgtr C-O^-$ 1
Class
alkali salts (06)
Type
simple alkali salts (06.01)
Phase type
crystalline
Crystal system
monoclinic
Crystal class
prismatic
Crystal class symbol
2/m (C2h)
Crystal spacegroup
C2/c
Molar mass
381.52 $g/mol$
Density
2.57 $g/cm^3$
State NTP
solid
Phase transitions
Phase transition type Other phases Temperature - Pressure
solid-liquid liquid $Tl(CH_3COO)_3$ 182°C (455 K)
Refringence type
biaxial
Pure color
colorless
Color
colorless, white
Diaphaneity
transparent to translucent
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