Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
Crystalline 1 : 1 Inclusion Complexes between a Roof-Shaped Diamide Host and Methanol or Propionic Acid. Crystal Structures and Modes of Interaction
Ingeborg CsöreghStephan FingeEdwin Weber
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1991 Volume 64 Issue 6 Pages 1971-1975

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Abstract

The crystal structures of two inclusion complexes between anti-N-N′-di-t-butyl-9,10-dihydro-9,10-ethanoanthracene-11,12-dicarboxamide host and methanol [a=11.8893(4), b=18.0943(7), c=12.6322(4) Å, β=108.47(3)°, P21c, Z=4] or propionic acid [a=11.4580(8), b=11.7614(9), c=12.4675(8) Å, α=95.37(3), β=109.70(3), γ=113.26(3)°, P\bar1, Z=2] as guests have been studied by X-ray diffraction. Closed loops of different sizes, formed via hydrogen-bond interactions between host and guest or between the hosts only, characterize both structures. The crystals with the propionic acid guest consist of hydrogen-bonded host : guest associates with 2 : 2 stoichiometry, while the methanol inclusion gives rise to infinite hydrogen-bonded chains.

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