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Digitale Medien

Preparation and structure of (calix[8]arene methyl ether) · 2CDCl3 (1986)

Coleman, Anthony W. ; Bott, Simon G. ; Atwood, Jerry L.

Springer

Journal of inclusion phenomena and macrocyclic chemistry 4 (1986), S. 247-253

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Details

ISSN: 1573-1111

Schlagwort(e): calix[8]arene ; crystal structure ; CDCl3 guest

Quelle: Springer Online Journal Archives 1860-2000

Thema: Chemie und Pharmazie

Notizen: Abstract The methyl ether of calix[8]arene crystallizes from CDCl3 with two molecules of the solvent per molecule of host. An X-ray structural investigation has shown that the CDCl3 guests exist within the calixarene framework. The complex resides on a crystallographic center of inversion, and the cavity is roughly circular in projection as measured by the distance between centroids of aromatic rings related by the center: 14.5, 13.9, 10.1, and 11.2 Å. Six of the oxygen atoms are found on the inside and two on the outside. Crystals belong to the triclinic space group $$P\bar 1$$ witha=11.741(9),b=11.810(9),c=12.484(8) Å, α=94.74(8), β=104.41(8), γ=111.30(9)°, andD c =1.31 g cm−3 forZ=1. Refinement led to a finalR value of 0.086 for 949 observed reflections.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00657998

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