Boranamine

Formula: BH₄N
Molecular weight: 28.849
IUPAC Standard InChI: InChI=1S/BH4N/c1-2/h1-2H2
IUPAC Standard InChIKey: KKAXNAVSOBXHTE-UHFFFAOYSA-N
CAS Registry Number: 14720-35-5
Chemical structure:
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Gas phase ion energetics data

Go To: Top, Vibrational and/or electronic energy levels, References, Notes

Data compiled as indicated in comments:
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

IE (eV)	Method	Reference	Comment
11.0 ± 0.1	EI	Kwon and McGee, 1970	RDSH

Appearance energy determinations

Ion	AE (eV)	Other Products	Method	Reference	Comment
B⁺	19.2 ± 0.05	?	EI	Rothgery, McGee, et al., 1975	LLK
HB⁺	18.0 ± 0.1	NH₃	EI	Rothgery, McGee, et al., 1975	LLK
H₂B⁺	17.2 ± 0.2	NH₂	EI	Rothgery, McGee, et al., 1975	LLK

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


a₁	1	NH stretch	3451		gas	IR	Gerry, Lewis-Bevan, et al., 1985
	1	NH stretch	3437		Ar	IR	Carpenter and Ault, 1991
	1	NH stretch	3439		N₂	IR	Carpenter and Ault, 1991
	2	BH stretch	2495		gas	IR	Gerry, Lewis-Bevan, et al., 1985
	2	BH stretch	2499		Ar	IR	Carpenter and Ault, 1991
	2	BH stretch	2506		N₂	IR	Carpenter and Ault, 1991
	3	NH₂ scissors	1625		gas	IR	Gerry, Lewis-Bevan, et al., 1985
	3	NH₂ scissors	1620		Ar	IR	Carpenter and Ault, 1991
	3	NH₂ scissors	1617		N₂	IR	Carpenter and Ault, 1991
	4	BN stretch	1337.47		gas	IR	Gerry, Lewis-Bevan, et al., 1985
	4	BN stretch	1334		Ar	IR	Carpenter and Ault, 1991
	4	BN stretch	1346		N₂	IR	Carpenter and Ault, 1991
	5	BH₂ scissors	1225		gas	IR	Gerry, Lewis-Bevan, et al., 1985
a₂	6	Torsion	820	T	gas	IR	Anderson, Gerry, et al.
b₁	7	NH₂ wag	1005		gas	IR	Gerry, Lewis-Bevan, et al., 1985
	7	NH₂ wag	1002		Ar	IR	Carpenter and Ault, 1991
	7	NH₂ wag	1001		N₂	IR	Carpenter and Ault, 1991
	8	BH₂ wag	612	s	gas	IR	Anderson, Gerry, et al.
	8	BH₂ wag	608	s	Ar	IR	Carpenter and Ault, 1991
	8	BH₂ wag	647	s	N₂	IR	Carpenter and Ault, 1991
b₂	9	NH stretch	3534		gas	IR	Gerry, Lewis-Bevan, et al., 1985
	9	NH stretch	3519		Ar	IR	Carpenter and Ault, 1991
	9	NH stretch	3523		N₂	IR	Carpenter and Ault, 1991
	10	BH stretch	2564		gas	IR	Gerry, Lewis-Bevan, et al., 1985
	10	BH stretch	2568		Ar	IR	Carpenter and Ault, 1991
	10	BH stretch	2568		N₂	IR	Carpenter and Ault, 1991
	11	NH₂ rock	1131		gas	IR	Gerry, Lewis-Bevan, et al., 1985
	11	NH₂ rock	1120		Ar	IR	Carpenter and Ault, 1991
	11	NH₂ rock	1122		N₂	IR	Carpenter and Ault, 1991
	12	BH₂ rock	742	w	gas	IR	Anderson, Gerry, et al.

Additional references: Jacox, 1994, page 309; Sugie, Takeo, et al., 1979; Vormann, Dreizler, et al., 1991

Notes

Weak

Strong

Tentative assignment or approximate value

References

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

Kwon and McGee, 1970
Kwon, C.T.; McGee, H.A., Jr., Cryochemical preparation of monomeric aminoborane, Inorg. Chem., 1970, 9, 2458. [all data]

Rothgery, McGee, et al., 1975
Rothgery, E.F.; McGee, H.A., Jr.; Pusatcioglu, S., Aminodifluoroborane, Inorg. Chem., 1975, 14, 2236. [all data]

Gerry, Lewis-Bevan, et al., 1985
Gerry, M.C.L.; Lewis-Bevan, W.; Merer, A.J.; Westwood, N.P.C., The infrared spectrum of gaseous aminoborane, H2N«58875»BH2: Location of the fundamentals and rotational structure in the 401 band (BN stretching vibration at 1337 cm-1), J. Mol. Spectrosc., 1985, 110, 1, 153, https://doi.org/10.1016/0022-2852(85)90219-X . [all data]

Carpenter and Ault, 1991
Carpenter, J.D.; Ault, B.S., Infrared matrix isolation characterization of aminoborane and related compounds, J. Phys. Chem., 1991, 95, 9, 3502, https://doi.org/10.1021/j100162a013 . [all data]

Anderson, Gerry, et al.
Anderson, W.D.; Gerry, M.C.L.; Lewis-Bevan, W.; Merer, A.J.; Steunenberg, D.M., 41st Symposium on Molecular Spectroscopy, Columbus, Ohio, June 1986.. [all data]

Jacox, 1994
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules, American Chemical Society, Washington, DC, 1994, 464. [all data]

Sugie, Takeo, et al., 1979
Sugie, M.; Takeo, H.; Matsumura, C., Microwave spectrum of aminoborane, BH2NH2, Chem. Phys. Lett., 1979, 64, 3, 573, https://doi.org/10.1016/0009-2614(79)80247-X . [all data]

Vormann, Dreizler, et al., 1991
Vormann, K.; Dreizler, H.; Doose, J.; Guarnieri, A., Z. Naturforsch., 1991, 46a, 770. [all data]

Notes

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

Symbols used in this document:

AE Appearance energy
Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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