Tetraborane(10)

Formula: B₄H₁₀
Molecular weight: 53.323
IUPAC Standard InChI: InChI=1S/B4H10/c5-1-3(5)2(7-3)4(1,3,6-1)8-2/h3-4H,1-2H2
IUPAC Standard InChIKey: WEYOKDYZYYMRSQ-UHFFFAOYSA-N
CAS Registry Number: 18283-93-7
Chemical structure:
This structure is also available as a 2d Mol file
Other names: Boron hydride (B4H10); Decahydrotetraborane; Tetraborane
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Information on this page:
Other data available:
- IR Spectrum
- Mass spectrum (electron ionization)
Data at other public NIST sites:
- Gas Phase Kinetics Database
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Gas phase ion energetics data

Data evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias

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

Quantity	Value	Units	Method	Reference	Comment
Proton affinity (review)	605.	kJ/mol	N/A	Hunter and Lias, 1998	HL
Quantity	Value	Units	Method	Reference	Comment
Gas basicity	572.5	kJ/mol	N/A	Hunter and Lias, 1998	HL

Ionization energy determinations

IE (eV)	Method	Reference	Comment
10.76 ± 0.04	PE	Lloyd, Lynaugh, et al., 1975	LLK

Appearance energy determinations

Ion	AE (eV)	Other Products	Method	Reference	Comment
B₃H⁺	16.5 ± 0.8	?	EI	Fehlner and Koski, 1963	RDSH
B₃H₂⁺	17.8 ± 0.8	?	EI	Fehlner and Koski, 1963	RDSH
B₃H₃⁺	14.2 ± 0.3	?	EI	Fehlner and Koski, 1963	RDSH
B₃H₅⁺	12.1 ± 0.2	?	EI	Fehlner and Koski, 1963	RDSH
B₄H₃⁺	14.0 ± 0.4	3H₂+H	EI	Fehlner and Koski, 1963	RDSH
B₄H₄⁺	12.4 ± 0.2	3H₂	EI	Fehlner and Koski, 1963	RDSH
B₄H₆⁺	11.2 ± 0.1	2H₂	EI	Fehlner and Koski, 1963	RDSH
B₄H₇⁺	12.5 ± 0.2	H₂+H	EI	Fehlner and Koski, 1963	RDSH
B₄H₈⁺	10.4 ± 0.1	H₂	EI	Fehlner and Koski, 1963	RDSH
B₄H₉⁺	12.2 ± 0.2	H	EI	Fehlner and Koski, 1963	RDSH

References

Go To: Top, Gas phase ion energetics data, 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]

Lloyd, Lynaugh, et al., 1975
Lloyd, D.R.; Lynaugh, N.; Roberts, P.J.; Guest, M.F., Photoelectron studies of boron and compounds, Part 5. -Higher boron hydrides B₄H₁₀, B₅H₉, B₁₀H₁₄, J. Chem. Soc. Faraday Trans. 2, 1975, 71, 1382. [all data]

Fehlner and Koski, 1963
Fehlner, T.P.; Koski, W.S., Fragmentation of tetraborane by electron impact, J. Am. Chem. Soc., 1963, 85, 1905. [all data]

Notes

Go To: Top, Gas phase ion energetics data, References

Symbols used in this document:

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