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J. Chem. Soc., Chem. Commun., 1987, 1054 - 1058, DOI: 10.1039/C39870001054
A comparison of the receptor stereochemistry in [Pt(bipy)(NH3)2·dinaphtho-30-crown-10][PF6]2 and [Diquat·dinaphtho-30-crown-10][PF6]2(bipy = 2,2
-bipyridine)Billy L. Allwood, Howard M. Colquhoun, Simon M. Doughty, Franz H. Kohnke, Alexandra M. Z. Slawin, J. Fraser Stoddart, David J. Williams and Ryszard Zarzycki
X-Ray crystallography and 1H n.m.r. spectroscopy have revealed dramatic differences in the binding of [Pt(bipy)(NH3)2]2+ and [Diquat]2+ dications by dinaphtho-30-crown-10 (DN30C10) with the platinum complex adopting a slewed position, apparently in order to maximise overlap between the
-arene systems in the receptor and in the complex, whereas the Diquat dication adopts a symmetrical position more consistent with maximisation of Coulombic interactions.
