Dihydrogen phosphate ion | SSHADE

Molecule

Name: Dihydrogen phosphate ion

Name and identifiers

IUPAC name: Dihydrogen phosphate
Secondary names: Dihydrogen phosphate anion, Dihydrogen phosphate(1-) ion, orthophosphate, H2PO4(-), H2PO4-
InChI: InChI=1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)/p-1
InChI key: NBIIXXVUZAFLBC-UHFFFAOYSA-M
CAS number: 14066-20-7

Structure and atomic composition

Formula: $H_2PO_4^-$
Chemical formula: (H2PO4)-
Structural formula: [HO]P(=O)([OH])[O-]
Charge: -1
Unpaired electrons: 0

	Atom	Name	Number
	$H$	Hydrogen	2
	$P$	Phosphorus	1
	$O$	Oxygen	3
	$O^-$	Oxide anion	1

Relations

no

Isotopic composition

Isotope mixture type: terrestrial abundance

Nuclear spin isomers

Spin type: equilibrated

Molar mass: 96.987 $g/mol$
Protic: protic
Polarity: ionic

Fundamental vibration modes

Molecule symmetry: Cs
Case: nonlinear-polyatomic

Chemical functions and bonds

Chemical bonds

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