Solid phase
Official name
Titanium(IV) oxysulfate monohydrate
Secondary names
Titanyl sulfate monohydrate; oxotitanium(2+);sulfate;monohydrate; Titanium(IV) oxide sulfate sulfuric acid monohydrate
CAS number
16425-76-6
Type
Family
ionic solid
Class
normal salt
Compound type
sulfate
Chemical composition
Formula
$(TiO)^{2+} \cdot (SO_4)^{2-} \bullet (H_2O)$
Chemical formula
TiOSO4•(H2O)
Elemental formula
(Ti2+) O4 S (O-)2 H2
Isotope mixture type
terrestrial abundance
6.0
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$[TiO]^{2+}$ Oxotitanium(2+) molecule 1 0.3333333333333333 1 molecular ion main
$(SO_4)^{2-}$ Sulfate anion chemical function 1 0.3333333333333333 1 anionic radical main
$H_2O$ Water molecule 1 0.3333333333333333 1 hydration main
Chemical functions
  Function Number
$(SO_4)^{2-}$ 1
$R-OH$ 2
Chemical bonds
  Bond Number
$\cdot Ti^{2+} \cdot O^{-}-$ 2
$-O \dots H-$
$Ti^{2+}=O$ 1
$-O-H$ 2
$\dddot - \dddot - \dddot - S \dddot - O^{-1/2}$ 4
Class
normal salts (07)
Type
hydrated simple normal salts (07.04)
Phase type
crystalline
Crystal system
orthorhombic
Crystal class
pyramidal
Crystal class symbol
mm2 (C2v)
Crystal spacegroup
Pmn2(1)
Molar mass
177.95 $g/mol$
Density
2.71 $g/cm^3$
State NTP
solid
Phase transitions
Phase transition type Other phases Temperature - Pressure
solid-solid anhydrous TiOSO4 623 K (350°C)
Refringence type
biaxial
Pure color
colorless
Color
white
Diaphaneity
various
Luster
various
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