Boric acid

Formula: BH₃O₃
Molecular weight: 61.833
IUPAC Standard InChI: InChI=1S/BH3O3/c2-1(3)4/h2-4H
IUPAC Standard InChIKey: KGBXLFKZBHKPEV-UHFFFAOYSA-N
CAS Registry Number: 10043-35-3
Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
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Other names: Orthoboric acid; H3-BO3; Boracic acid; Boric acid (BH3O3); Boric acid (H3BO3); Borofax; Boron hydroxide; Boron trihydroxide; NCI-C56417; Orthoboric acid (B(OH)3); Borsaure; Three elephant; Ant flip; Homberg's salt; B(OH)3; Basilit B; Dr.'s 1 Flea Terminator DF; Dr.'s 1 Flea Terminator DFPBO; Dr.'s 1 Flea Terminator DT; Dr.'s 1 Flea Terminator DTPBO; Flea Prufe; NSC 81726; Super Flea Eliminator; Trihydroxyborane; Acidum boricum (Salt/Mix); Bluboro (Salt/Mix); Collyrium Eye Wash (Salt/Mix); Collyrium Fresh-Eye Drops (Salt/Mix); component of Aci-Jel (Salt/Mix)
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Information on this page:
Other data available:
Data at other public NIST sites:
- X-ray Photoelectron Spectroscopy Database, version 5.0
- X-ray Photoelectron Spectroscopy Database, version 5.0
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Gas phase ion energetics data

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Data evaluated by: Edward P. Hunter and Sharon G. Lias

Quantity	Value	Units	Method	Reference	Comment
Proton affinity (review)	728.1	kJ/mol	N/A	Hunter and Lias, 1998
Quantity	Value	Units	Method	Reference	Comment
Gas basicity	698.4	kJ/mol	N/A	Hunter and Lias, 1998

Vibrational and/or electronic energy levels

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Data compiled by: Marilyn E. Jacox

State: X

Vib. sym.	No.	Approximate type of mode	cm^-1	Med.	Method	References


a'	1	OH stretch	3705	gas	Ra	Gilson, 1991
	2	BOH deform.	1020	gas	Ra	Gilson, 1991
	3	BO stretch	866	gas	Ra	Gilson, 1991
a	4	BO₃ OPLA	666.4	Ar	IR	Andrews and Burkholder, 1992
	4	BO₃ OPLA	675.0	N₂	IR	Ogden and Young, 1988
	5	Torsion	436.0	Ar	IR	Andrews and Burkholder, 1992
	5	Torsion	513.8	N₂	IR	Ogden and Young, 1988
e'	6	OH stretch	3706	gas	IR	Gilson, 1991
	6	OH stretch	3688.6	Ar	IR	Andrews and Burkholder, 1992
	6	OH stretch	3668.5	N₂	IR	Ogden and Young, 1988
	7	BO stretch	1429	gas	IR	Gilson, 1991
	7	BO stretch	1414.9	Ar	IR	Andrews and Burkholder, 1992
	7	BO stretch	1426.2	N₂	IR	Ogden and Young, 1988
	8	HOB deform.	1017	gas	IR	Gilson, 1991
	8	HOB deform.	992.4	Ar	IR	Andrews and Burkholder, 1992
	8	HOB deform.	1009.9	N₂	IR	Ogden and Young, 1988
	9	BO₂ deform.	432.1	Ar	IR	Andrews and Burkholder, 1992
	9	BO₂ deform.	448.9	N₂	IR	Ogden and Young, 1988
e	10	HOB deform.	520 ± 5	Ar	IR	Andrews and Burkholder, 1992

Additional references: Jacox, 1998, page 326

References

Go To: Top, Gas phase ion energetics data, Vibrational and/or electronic energy levels, Notes

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Gilson, 1991
Gilson, T.R., J. Chem. Soc., 1991, Dalton Trans. 2463. [all data]

Andrews and Burkholder, 1992
Andrews, L.; Burkholder, T.R., Infrared spectra of molecular B(OH)3 and HOBO in solid argon, J. Chem. Phys., 1992, 97, 10, 7203, https://doi.org/10.1063/1.463545 . [all data]

Ogden and Young, 1988
Ogden, J.S.; Young, N.A., J. Chem. Soc., 1988, Dalton Trans. 1645. [all data]

Jacox, 1998
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules: supplement A, J. Phys. Chem. Ref. Data, 1998, 27, 2, 115-393, https://doi.org/10.1063/1.556017 . [all data]

Notes

Go To: Top, Gas phase ion energetics data, Vibrational and/or electronic energy levels, References

Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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