Solid State Confinement of Ferrocene by Calixarenes

Author: Hardie M.J.  

Publisher: Taylor & Francis Ltd

ISSN: 1061-0278

Source: Supramolecular Chemistry, Vol.14, Iss.1, 2002-01, pp. : 7-10

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Abstract

Combinations of ferrocene with unsubstituted calix [n]arenes, n=4 and 5, in toluene afford crystalline inclusion complexes (calix[4]arene)3(ferrocene) [hexagonal, a=14.7797(4), c=18.4400(4) å, P63/m, rho= 1.389 g.cm-1, Z=2, R1=0.0963 (on 1401 observed data [I>2sigma(I)])] as a lattice-type inclusion complex, and (calix[5]arene)(toluene)0.55(ferrocene)0.45 [monoclinic, a=9.6908(8), b=15.069(1), c=22.957(1) å, beta= 90.155(5)°, P21/m, rho=1.318 g.cm-1, Z=4, R1=0.1005 (on 3130 observed data [I>2sigma(I)])], that shows endo-cavity complexation of ferrocene by the calixarene.