منابع مشابه
Unimolecular dissociation reactions of methyl benzoate radical cation.
The blackbody infrared radiation induced dissociation of methyl benzoate (C8H8O2(+*)) radical cation was investigated by using a Fourier transfer ion cyclotron resonance mass spectrometer equipped with a resistively heated (wire temperatures of 400-1070 K) wire ion guide. We observed product ion branching ratios that are strongly dependent upon wire temperature. At low temperatures (670-890 K) ...
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The asymmetric unit of the title compound, C(12)H(14)O(3), contains two independent mol-ecules, in which the benzene rings are oriented at a dihedral angle of 72.08 (3)°. In the crystal structure, inter-molecular C-H⋯O hydrogen bonds link the mol-ecules into centrosymmetric dimers. There are also C-H⋯π contacts between aromatic CH groups and the benzene rings.
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In the title compound, C(11)H(11)Cl(2)NO(3), the amide O atom and the carbonyl O atom of the ester segment are anti to each other and anti to the H atoms of the adjacent -CH(2) groups. In the crystal structure, mol-ecules are packed into centrosymmetric dimers through inter-molecular N-H⋯O hydrogen bonds. The dimers are linked into a layer structure extending parallel to (02) by C-H⋯O hydrogen ...
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In the title mol-ecule, C(17)H(22)N(2)O(3), the mean plane of the terminal (C=O)OMe fragment and the indole plane form a dihedral angle of 78.94 (3)°. Inter-molecular N-H⋯O hydrogen bonds link the mol-ecules into chains extended along the c axis. The crystal packing exhibits π-π inter-actions, indicated by the short distance of 3.472 (2) Å between the centroids of the five-membered heterocycles...
متن کاملElectromers of the benzene dimer radical cation.
The well-studied benzene dimer radical cation, which is prototypical for this class of species, has been reinvestigated computationally. Thereby it turned out that both the σ-hemibonded and the half-shifted sandwich structures of the benzene dimer cation, which had been independently proposed, represent stationary points on the B2PLYP-D potential energy surfaces. However, these structures belon...
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ژورنال
عنوان ژورنال: Journal of the American Society for Mass Spectrometry
سال: 1996
ISSN: 1044-0305,1879-1123
DOI: 10.1016/1044-0305(95)00707-5