Sulfate ion | SSHADE

Molecule

Name: Sulfate ion

Name and identifiers

IUPAC name: Sulfate
Secondary names: Sulfate anion, Sulfate(2-) ion, Sulphate, SO4--, SO4(2-)
InChI: InChI=1S/H2O4S/c1-5(2,3)4/h(H2,1,2,3,4)/p-2
InChI key: QAOWNCQODCNURD-UHFFFAOYSA-L
CAS number: 14808-79-8

Structure and atomic composition

Formula: $SO_4^{2-}$
Chemical formula: (SO4)2-
Structural formula: [[O-]S(=O)(=O)[O-]]
Charge: -2
Unpaired electrons: 0

	Atom	Name	Number
	$S$	Sulfur	1
	$O$	Oxygen	2
	$O^-$	Oxide anion	2

Relations

no

Isotopic composition

Isotope mixture type: terrestrial abundance

Nuclear spin isomers

Spin type: equilibrated

Molar mass: 96.056 $g/mol$
Protic: aprotic
Polarity: ionic

Fundamental vibration modes

Molecule symmetry: unknown
Case: nonlinear-polyatomic
Vibrations number: 9

Chemical functions and bonds

Chemical bonds

	Bond	Number
	$-\gg S-O^{-}$	2
	$\geqq S=O$	2