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2-[(E)-4-(Diethyl-amino)-styr-yl]-1-methyl-pyridinium iodide.

ABSTRACT: In the title compound, C(18)H(23)N(2) (+)·I(-), the cation exists in the E configuration with respect to the ethenyl C=C bond. The pyridinium and benzene rings are nearly coplanar, making a dihedral angle of 4.63?(7)°. The two ethyl groups of the diethyl-amino substituent point in opposite directions with respect to the benzene plane. In the crystal, the cation and the iodide anion are linked by a weak C-H?I inter-action. The cations are stacked in an anti-parallel manner along the a axis by a ?-? inter-action with a centroid-centroid distance of 3.5262?(9)?Å. The crystal structure is further stabilized by C-H?? inter-actions.

SUBMITTER: Kaewmanee N

PROVIDER: S-EPMC2983428 | biostudies-literature | 2010 Sep

REPOSITORIES: biostudies-literature

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2-[(E)-4-(Diethyl-amino)-styr-yl]-1-methyl-pyridinium iodide.

Kaewmanee Narissara N Chanawanno Kullapa K Chantrapromma Suchada S Fun Hoong-Kun HK

Acta crystallographica. Section E, Structure reports online 20100925 Pt 10

In the title compound, C(18)H(23)N(2) (+)·I(-), the cation exists in the E configuration with respect to the ethenyl C=C bond. The pyridinium and benzene rings are nearly coplanar, making a dihedral angle of 4.63 (7)°. The two ethyl groups of the diethyl-amino substituent point in opposite directions with respect to the benzene plane. In the crystal, the cation and the iodide anion are linked by a weak C-H⋯I inter-action. The cations are stacked in an anti-parallel manner along the a axis by a π ...[more]

PMID: 21587611

Similar Datasets

(E)-2-[4-(Diethyl-amino)-styr-yl]-1-methyl-pyridinium benzene-sulfonate mono-hydrate.

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(E)-2-[4-(Dimethyl-amino)-styr-yl]-1-methyl-pyridinium triiodide.

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(E)-Ethyl 4-[4-(diethyl-amino)styr-yl]benzoate.

Project description:In the title mol-ecule, C(21)H(25)NO(2), the dihedral angle between the two benzene rings is 4.8?(2)°. Both the ethyl group of the ester group and one of the ethyl groups attached to the N atom are disordered over two sites, the approximate occupancies being 66:34 and 81:19, respectively. In the cystal structure, there are no direction-specific inter-actions.

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[(4-Dimethyl-amino-2-methyl-5-phenyl-furan-3-yl)meth-yl]diethyl-methyl-aza-nium iodide.

Project description:In the title compound, C(19)H(29)N(2)O(+)·I(-), the dihedral angle between the mean planes of the essentially planar furan (r.m.s. deviation = 0.007?Å) and phenyl rings is 48.4?(1)°. In the crystal, cations and anions are arranged in layers lying parallel to (100).

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Project description:In the title hydrated mol-ecular salt, C(16)H(19)N(2) (+)·C(6)H(4)ClO(3)S(-)·H(2)O, the 2-[4-(dimethyl-amino)-styr-yl]-1-methyl-pyridinium cation exists in an E configuration with respect to the C=C bond and is slightly twisted, with the dihedral angle between the pyridinium and benzene rings being 9.33?(10)°. In the crystal structure, the packing is stabilized by O-H?O hydrogen bonds and weak C-H?O inter-actions, which link the cations, anions and water mol-ecules into chains propagating in [010]. These chains are stacked along the a axis by ?-? inter-actions, with centroid-to-centroid distances of 3.6429?(12) and 3.6879?(12)?Å; weak C-H?? inter-actions are also observed.

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