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Inclusion of water by a crown amide. First crystal structure of a respective host-guest combination (1988)

Weber, Edwin ; Newkome, George R. ; Fronczek, Frank R. ; [et al.]

Springer

Journal of inclusion phenomena and macrocyclic chemistry 6 (1988), S. 1-7

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ISSN: 1573-1111

Keywords: Crown amide ; host-guest complex ; water inclusion ; crystal structure ; hydrogen bonding

Source: Springer Online Journal Archives 1860-2000

Topics: Chemistry and Pharmacology

Notes: Abstract Crown amide (1) forms a stoicheiometric 1:1 inclusion complex with water, the X-ray crystal structure of which is reported. Crystals of1 · H2O are triclinic, space groupP1, witha=7.503(1),b=11.394(3),c=13.443(2) Å, α=107.066(18), β=96.627(10), γ=106.377(14)°, andZ=2.R F =0.039 for 1697 MoKα reflections [I〉3σ(I)] measured at 24°C. The structure features a hydrogen bonded hostguest relationship with concrete1 · H2O units. Hydrogen bonds are between the water oxygen and O(4), N(4), respectively. The crystal packing shows a cavity arrangement of four ligands around each water molecule.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00659363

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