Varying the interplay of calix[5]arenes through chloromethane inclusion

Thomas E. Clark, Mohamed Makha, Colin L. Raston, Alexandre N. Sobolev

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)


Three inclusion complexes of calix[5]arenes as dichloromethane (DCM) or chloroform solvates have been structurally authenticated, namely, the complexes of p-But-calix[5]arene, 1, or p-H-calix[5]arene, with DCM, 2, and a new polymorph of the complex of p-phenyl-calix[5]arene with chloroform, 3. Complex 1 has two adjacent tbutyl groups of one calixarene embracing the analogous groups from another calixarene. Complex 2 has a slipped head-to-head arrangement of calixarenes with a DCM molecule in the cavity of each calixarene. In complex 3, the calixarenes form dimers through interdigitation, and these dimers are assembled with back-to-back arrangement of calixarenes from adjacent dimers. All solvate complexes were crystallized in the presence of p-carborane, which has complementarity of size of the cavity of the calixarenes yet is not incorporated in the structures.

Original languageEnglish
Pages (from-to)2783-2787
Number of pages5
JournalCrystal Growth and Design
Issue number12
Publication statusPublished - 1 Dec 2006
Externally publishedYes


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