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Molecular recognition via lodo ? nitro and lodo ? cyano interactions: crystal structures of the 1 : 1 complexes of 1,4-diiodobenzene with 1,4-dinitrobenzene and 7,7,8,8-tetracyanoquinodimethane (TCNQ)

1994; Royal Society of Chemistry; Issue: 23 Linguagem: Inglês

10.1039/c39940002729

2050-5639

Frank H. Allen, B. Satish Goud, Vanessa J. Hoy, Judith A. K. Howard, Gautam R. Desiraju,

Molecular Sensors and Ion Detection

Mutual recognition of iodo and nitro groups through symmetrical iodo–nitro bridging interactions generates symmetrical molecular ribbons in the crystal structure of the 1 : 1 complex of 1,4-diiodobenzene 1 with 1,4-dinitrobenzene 2; however, in the crystal structure of the 1 : 1 complex of 1 with TCNQ, the mediation of simple, non-bridging –I ⋯ NC interactions leads to the formation of skewed ribbons.