期刊
JOURNAL OF INCLUSION PHENOMENA AND MACROCYCLIC CHEMISTRY
卷 40, 期 3, 页码 221-224出版社
SPRINGER
DOI: 10.1023/A:1011881715379
关键词
calix[16]arene; complexation; crystal structure; large calixarenes
A crystal of an inclusion compound between a calix[16]arene and molecules of acetonitrile and dichloromethane, used as solvents, has been obtained and its X-ray structure studied. The cell is monoclinic, space group C2/c with a = 38.508(8) Angstrom, b = 21.593(4) Angstrom, c = 26.625(5) Angstrom and 121.34(3)degrees. The macrocycle is in the form of two superimposed celtic torcs connected by their extremities.(1) Two acetonitrile molecules are situated in the middle of this double torc, two dichloromethane molecules are encapsulated in the pseudo calix[4]arenes obtained on both extremities of the torcs by the folding of the last four phenolic rings. A disorder is observed for the other acetonitrile and dichloromethane molecules situated outside the macrocycle.
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