Disilane, 1,2-dimethyl-1,1,2,2-tetraphenyl-

Formula: C₂₆H₂₆Si₂
Molecular weight: 394.6556
IUPAC Standard InChI: InChI=1S/C26H26Si2/c1-27(23-15-7-3-8-16-23,24-17-9-4-10-18-24)28(2,25-19-11-5-12-20-25)26-21-13-6-14-22-26/h3-22H,1-2H3
IUPAC Standard InChIKey: JNZRJYXUMDPPRK-UHFFFAOYSA-N
CAS Registry Number: 1172-76-5
Chemical structure:
This structure is also available as a 2d Mol file
Other names: 1,2-Dimethyl-1,1,2,2-tetraphenyldisilane
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Other data available:
- IR Spectrum
- Mass spectrum (electron ionization)
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Gas phase ion energetics data

Data compiled by: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

IE (eV)	Method	Reference
8.05 ± 0.15	EI	Gaidis, Briggs, et al., 1971

Appearance energy determinations

Ion	AE (eV)	Other Products	Method	Reference	Comment
C₁₃H₁₃Si⁺	9.51 ± 0.05	(C₆H₅)₂SiC	EI	Gaidis, Briggs, et al., 1971
C₁₈H₁₅Si⁺	9.35 ± 0.03	C₆H₅Si(CH₃	EI	Gaidis, Briggs, et al., 1971

References

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Gaidis, Briggs, et al., 1971
Gaidis, J.M.; Briggs, P.R.; Shannon, T.W., Mass spectra of disilanes. Phenyl-silicon interaction and silicon-silicon bond strength, J. Phys. Chem., 1971, 75, 974. [all data]

Notes

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Symbols used in this document:

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