The structure of the uncharged-molecule complex between a dinaphthopyridino-18-crown-6 host and acetonitrile (1 : 2) |
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| Authors: | Kaliyamoorthy Panneerselvam Kizakkekoikkal K Chacko Edwin Weber Hans-Jürgen Kühler |
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| Institution: | (1) Department of Crystallography and Biophysics, University of Madras, 600 025 Madras, India;(2) Institut für Organische Chemie und Biochemie der Universität Bonn, Gerhard-Domagk-Straße 1, D-5300 Bonn-1, FRG |
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| Abstract: | Single crystal X-ray analysis of a 1 : 2 complex between the dinaphthopyridino-l8-crown-6 host (1) and acetonitrile is reported. Crystals of the complex are monoclinic,P21/c witha = 12.178(5),b = 8.186(1),c = 30.873(1) Å,  = 96.86(1)°, andD
c = 1.25 g cm–3 forZ = 4. The host molecule reveals an approximate mirror symmetry and exists in a so-called  dentist's chair conformation. One of the acetonitrile guest molecules is involved in possible weak interactions to two oxygen atoms of the host macroring, while the other fills free lattice space only. |
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| Keywords: | Crown compound acetonitrile crown solvent complex crystal structure |
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