期刊
CRYSTAL GROWTH & DESIGN
卷 6, 期 12, 页码 2783-2787出版社
AMER CHEMICAL SOC
DOI: 10.1021/cg0605279
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Three inclusion complexes of calix[5] arenes as dichloromethane (DCM) or chloroform solvates have been structurally authenticated, namely, the complexes of p-Bu-t-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.
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