منابع مشابه
Quinoxaline-2-carbonitrile
In the title compound, C(9)H(5)N(3), the quinoxaline ring is essentially planar, with a maximum deviation of 0.012 (1) Å. Short inter-molecular distances between the centroids of the 2,3-dihydro-pyrazine and benzene rings [3.6490 (5) Å] indicate the existence of π⋯π inter-actions. In the crystal packing, the mol-ecules are linked via two pairs of inter-molecular C-H⋯N inter-actions, forming R(2...
متن کامل2-(Trimethylsiloxy)adamantane-2-carbonitrile
In the crystal structure of the title compound, C(14)H(23)NOSi, cyclic dimeric units are established by two very weak hydrogen bonds of the type C-H⋯N with an H⋯N distance which is only slightly shorter than the sum of the van der Waals radii of 2.75 Å. The graph-set descriptor on the unitary level is R(2) (2)(14) for the cyclic dimer.
متن کامل2-(4-Bromophenyl)quinoxaline
In the title compound, C(14)H(9)BrN(2), the benzene and quinoxaline rings are almost coplanar [r.m.s. deviation = 0.0285 (3) Å and dihedral angle = 2.1 (2)°].
متن کامل2-(4-Chloroanilino)quinoxaline
There are two mol-ecules in the asymmetric unit of the title compound, C(14)H(10)ClN(3), with dihedral angles of 5.11 (10) and 13.61 (10)° between the aromatic ring systems. In the crystal structure, mol-ecules are linked by N-H⋯N hydrogen bonds, resulting in chains propagating in [010].
متن کامل1,3-Diiodoazulene-2-carbonitrile
In the title compound, C11H5I2N, the two iodine-atom substitutents with their large atomic sizes lead to short intra-molecular I⋯H distances (3.01 Å). In the crystal, the tris-ubstituted azulene system forms π-stacks [centroid-centroid distance = 3.6343 (11) Å] along the a-axis direction, showing the characteristic azulene inter-action mode between the electron-rich five-membered ring and the e...
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2009
ISSN: 1600-5368
DOI: 10.1107/s1600536809051289