Abstract
The crystal structure of 18-crown-6 · 2(CH3CN) has been determined via data collection at −150°C. The structure consists of two crown molecules each hydrogen bonded to two acetonitrile moieties in the asymmetric unit, each residing around a center of inversion. The crown ethers display their fullD 3d symmetry; methyl ... O contacts range from 3.189(8) to 3.598(8) Å. There are no close contacts indicative of any interaction between the crown/2(CH3CN) units.
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Supplementary Data relating to this article are deposited with the British Library as Supplementary Publication No. SUP 82056 (14 pages).
For Part 3, see reference [1]
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Rogers, R.D., Richards, P.D. & Voss, E.J. Neutral solvent/crown ether interactions, 4. Crystallization and low temperature (−150°C) structural characterization of 18-crown-6 · 2(CH3CN). Journal of Inclusion Phenomena 6, 65–71 (1988). https://doi.org/10.1007/BF00659370
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DOI: https://doi.org/10.1007/BF00659370