1984
DOI: 10.1021/ja00335a080
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Dimethylsilylene: its optical absorption spectrum and reaction kinetics

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Cited by 19 publications
(3 citation statements)
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“…The following three series demonstrate this point: ButSiMe (470 nm) > EtSiMe (459 nm) > Me2Si (453 nm); ButSiMes (505 nm) > BufCH2SiMes (500 nm) > MeSiMes (496 nm); Mes2Si (577 nm) 1) > PhSiMes (530 nm) > Ph2Si (495 nm).3 Finally we comment on the discrepancy between the two reported A, , , , values for Me2%: 450 nm according to West et ~l . ~a --~, 3 and 350 nm according to Griller et al 4 Unfortunately at the present level of theory the calculated absolute excitation energies are not sufficiently reliable for deciding decisively between these values. Kowever, the calculated AE values and the general good agreement between our calculations and 11 Calculations show that at ar>125" H2Si is a ground state triplet.…”
mentioning
confidence: 86%
“…The following three series demonstrate this point: ButSiMe (470 nm) > EtSiMe (459 nm) > Me2Si (453 nm); ButSiMes (505 nm) > BufCH2SiMes (500 nm) > MeSiMes (496 nm); Mes2Si (577 nm) 1) > PhSiMes (530 nm) > Ph2Si (495 nm).3 Finally we comment on the discrepancy between the two reported A, , , , values for Me2%: 450 nm according to West et ~l . ~a --~, 3 and 350 nm according to Griller et al 4 Unfortunately at the present level of theory the calculated absolute excitation energies are not sufficiently reliable for deciding decisively between these values. Kowever, the calculated AE values and the general good agreement between our calculations and 11 Calculations show that at ar>125" H2Si is a ground state triplet.…”
mentioning
confidence: 86%
“…Starting in 1987, absolute rate coefficients became available through the employment of techniques of timeresolved laser flash photolysis. By this means more detailed kinetic and mechanistic information about the behaviour of SiMe 2 both in the gas phase [9][10][11][12][13] and in solution [14][15][16][17][18][19][20] has been obtained in recent years. We recently reviewed this growing database.…”
Section: Introductionmentioning
confidence: 99%
“…450 nm [3a]. Although there was a controversy concerning the absorption spectra of dimethylsilylene [4], recent extensive spectroscopic studies by using matrix isolation [3,51, laser flash photolysis [6], and theoretical calculations [7,8] have confirmed that the 450 nm absorption is ascribed to the n(Si)-3p(Si) transition of singlet dimethylsilylene. Intriguing experimental targets in silylene chemistry involve (1) generation and characterization of silylenes having a triplet ground state and (2) synthesis and isolation of stable singlet silylenes as pure substances.…”
mentioning
confidence: 99%