1-Dimethylamino-3-dimethyliminio-1-(p-methylphenyl)prop-1-ene perchlorate
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چکیده
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3-(2-Ethoxyphenyl)-1-(3-nitrophenyl)triaz-1-ene
The title compound, C(14)H(14)N(4)O(3), exhibits a trans geometry about the N=N double bond in the triazene unit. The mol-ecule is approximately planar (r.m.s. deviation = 0.044 Å for all non-H atoms). An intra-molecular N-H⋯O hydrogen bond occurs. In the crystal, C-H⋯N hydrogen bonds lead to the formation of dimers which are, in turn, connected to each other by C-H⋯O hydrogen bonds, forming in...
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The title mol-ecule, C(13)H(11)Cl(2)N(3)O, is almost planar and adopts a trans conformation with respect to the -N=N- bond; the dihedral angle between the rings is 3.47 (2)°. The N-N bond lengths indicate the presence of single- and double-bond characters and hence the -N=N-NH- moiety. In the crystal, inversion dimers linked by pairs of N-H⋯Cl hydrogen bonds occur, and C-H⋯π and π-π stacking in...
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In the title compound, C(9)H(11)N(2)O(4) (+)·ClO(4) (-), the organic cations form centrosymmetric dimers via a pair of O-H⋯O hydrogen bonds between the carboxyl groups. In the crystal, N-H⋯O inter-actions between the protonated amine group and the perchlorate anions and the nitro group connect the components into a two-dimensional network parallel to (001).
متن کاملLifetimes of the 3 p 54 s 3 P 1 , 1 P 1 and 3 p 53 d 3 P 1 levels in K II
Oscillator strengths for the three lowest ground-state transitions 3p S0-3p 4s P1, 3p 6 S0-3p 4s P1, and 3p 6 S0-3p 3d P1 in argonlike K II are reported. The values were determined by lifetime measurements made using foil excitation of a fast ion beam, which yielded values t(4s P1)58.461.6 ns, t(3d P1)52.460.4 ns, and t(4s P1)50.4360.04 ns. Application of these results to the development of ext...
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The Te(II) atom in the title mol-ecule, C(12)H(19)ClTe, is coordinated in a V-shaped geometry by C atoms derived from the disparate organic substituents. A short intramolecular C-H⋯Cl contact occurs owing to the proximity of the ethene bond in the six-membered ring to the Cl atom. In the crystal, mol-ecules assemble into layers parallel to the ac plane, with the closest inter-actions between th...
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2004
ISSN: 1600-5368
DOI: 10.1107/s1600536804005574