Hydrogen phosphate ion | SSHADE

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Molecule

Name: Hydrogen phosphate ion

Name and identifiers

IUPAC name: Hydrogen phosphate
Secondary names: Hydrogen phosphate anion, Hydrogen phosphate(2-) ion, Phosphate dianion, Phosphate ion(2-), Hydrogen orthophosphate, Hydrogen phosphate dianion, phosphoric acid, ion(2-), HPO4(2-), HPO4-2, HPO42-
InChI: InChI=1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)/p-2
InChI key: NBIIXXVUZAFLBC-UHFFFAOYSA-L
CAS number: 14066-19-4

Structure and atomic composition

Formula: $HPO_4^{2-}$
Chemical formula: (HPO4)2-
Structural formula: [OH]P(=O)([O-])[O-]
Charge: -2
Unpaired electrons: 0

	Atom	Name	Number
	$H$	Hydrogen	1
	$P$	Phosphorus	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: 95.979 $g/mol$
Protic: protic
Polarity: ionic

Fundamental vibration modes

Molecule symmetry: Cs
Case: nonlinear-polyatomic

Chemical functions and bonds

Chemical bonds

	Bond	Number
	$P=O$	1
	$=P-O^-$	2
	$=P-O-$	1
	$-O-H$	1