Biphenyl-4-carbaldehyde azine
نویسندگان
چکیده
منابع مشابه
Biphenyl-4-carbaldehyde azine
The complete mol-ecule of the title compound, C(26)H(20)N(2), is generated by crystallographic inversion symmetry. The terminal phenyl ring is twisted by 19.2 (1)° with respect to the adjacent phenyl-ene ring.
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The asymmetric unit of the title compound, C10H8N2S2, is composed of two independent half-mol-ecules, each residing on a center of symmetry. In the crystal, weak C-H⋯π inter-actions join the two symmetry-independent molecules together into interlinked chains parallel to [011]. The crystal structure was refined as a two-component pseudo-merohedral twin using the twin law 001 0-10 100. The refine...
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The molecule of the title compound, C(18)H(14)N(4), lies on a center of inversion such that there is one half-mol-ecule in the asymmetric unit. The N-N single bond adopts a trans configuration and the indole fused-ring system is nearly coplanar with the -CH=N-N=CH- fragment [dihedral angle = 9.8 (2)°]. Adjacent mol-ecules are linked by indole-azine N-H⋯N hydrogen bonds into a layer motif.
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The title compound, C(22)H(30)N(4)O(2), has a crystallographic inversion center located at the mid-point of the N-N single bond. Apart from the four ethyl C atoms, the non-H atoms are nearly coplanar with a mean deviation of 0.0596 (2) Å. An intra-molecular O-H⋯N hydrogen bond occurs. In the crystal, weak inter-molecular C-H⋯O hydrogen bonds link the mol-ecules into layers parallel to (100).
متن کاملPyridine-4-carbaldehyde 4-phenylsemicarbazone
In the title compound, C(13)H(12)N(4)O, the semicarbazone fragment links a benzene and a pyridine ring in the structure. The crystal packing is stabilized by strong inter-molecular N-H⋯O hydrogen bonds, which connect two mol-ecules to form a synthon unit, and by N-H⋯N hydrogen bonds and weak C-H⋯π inter-actions. The mol-ecular conformation is stabil-ized by intra-molecular N-H⋯N and C-H⋯O inter...
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2008
ISSN: 1600-5368
DOI: 10.1107/s1600536808038622