The Phosphorescence Spectra of Some Carbonyl Compounds

Akagi, Motoo; Amako, Yoshito; Azumi, Hiroshi

doi:10.1246/nikkashi1948.87.7_689

Cited by 3 publications

(1 citation statement)

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“…This identification discords with the Pullmanns,33 with Douzou and Francq,43 and with Akagi, et aZ. 41 It is also concluded that this state has been observed in formamidinium ion, formate and acetate derivatives, and, possibly, in ZV-methyldiacetamide. It is concluded that no firm evidence for such a state has been provided by studies of proteins, peptides, or amino acids.…”

Section: Discussionmentioning

confidence: 78%

Electronic spectroscopy of isoelectronic molecules. I. Nonlinear triatomic groupings containing eighteen valence electrons, with comments on the T1 state of the peptide linkage

McGlynn¹,

Maria²,

Larson³

et al. 1970

Acc. Chem. Res.

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Electronic spectroscopy has had primary success in three molecular domains: diatomics, benzenoid hydrocarbons, and transition metal complexes. Many other molecular domains remain relatively uninvestigated. One of these areas-the classical inorganic domain which contains such molecular entities as B038~, NOs~, SO/-, C102~, HN3, etc.-has been of interest to us for some time, and the present Account is an attempt to systematize the electronic spectroscopy of one series of such molecules, namely nonlinear triatomics which contain 18 valence electrons.

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Section: Discussionmentioning

confidence: 78%

Electronic spectroscopy of isoelectronic molecules. I. Nonlinear triatomic groupings containing eighteen valence electrons, with comments on the T1 state of the peptide linkage

McGlynn¹,

Maria²,

Larson³

et al. 1970

Acc. Chem. Res.

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Phosphorescence spectrum and mechanisms of benzaldehyde in methyl-cyclohexane at 4.2°K

Olmsted

El‐Sayed

1971

Journal of Molecular Spectroscopy

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Electron Attachment and Excitation Processes in Selected Carbonyl Compounds

Naff¹,

Compton²,

Cooper³

1972

The Journal of Chemical Physics

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Short-lived negative ions were observed in urea (2.2 eV), acetone (1.6 eV), acetaldehyde (1.2 eV), acetophenone (0.95 eV), benzophenone (0.75 eV), and benzaldehyde (0.72 eV), using the SF6 scavenger technique. The energy position of the peak of each resonance is given in parentheses. These resonances were assigned to the capture of an electron into the lowest vacant (π*) orbital of the carbonyl group. Hexafluoroacetone captures slow electrons (∼0 eV) into a long-lived temporary negative ion state with an autodetachment lifetime of 65± 10 μsec. Cl− was observed through dissociative attachment of 0.5-eV electrons to chloroacetone. Dissociative attachment to urea yielded CN− and NCO− around 2 eV and NH2−, NH−, OH−, and N2H3CO− around 6 eV. Peaks in the threshold excitation spectra were observed in acetone at 4.15, 6.13, 7.5, and 8.1 eV; in acetaldehyde at 3.8, 6.35, and 6.62 eV; and in urea 6.1 and 8.4 eV.

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The Phosphorescence Spectra of Some Carbonyl Compounds

Cited by 3 publications

References 0 publications

Electronic spectroscopy of isoelectronic molecules. I. Nonlinear triatomic groupings containing eighteen valence electrons, with comments on the T1 state of the peptide linkage

Electronic spectroscopy of isoelectronic molecules. I. Nonlinear triatomic groupings containing eighteen valence electrons, with comments on the T1 state of the peptide linkage

Phosphorescence spectrum and mechanisms of benzaldehyde in methyl-cyclohexane at 4.2°K

Electron Attachment and Excitation Processes in Selected Carbonyl Compounds

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