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Citation: Jin Songshou, Tang Xinshuo, Zhu Yifei. INTERACTION BETWEEN π BOND OR CONJUGATED π BOND AND POSITIVE OR NEGATIVE CHARGED GROUP——SELECTIVITY OF INTERMOLECULAR FORCE[J]. Acta Physico-Chimica Sinica, ;1985, 1(02): 186-192. doi: 10.3866/PKU.WHXB19850210 shu

INTERACTION BETWEEN π BOND OR CONJUGATED π BOND AND POSITIVE OR NEGATIVE CHARGED GROUP——SELECTIVITY OF INTERMOLECULAR FORCE

1.
Department of Chemistry; Hangzhou University

Available Online: 15 April 1985

The selectivity of intermolecular force is caused by the special interaction between two adaptable groups on the molecules. π bond and conjugated π bonds such as benzene ring are negative charged groups,which may attract stongly positively charged H groups such as 3H in β-C_6H_6Cl_6, and repulse other ne- gatively charged groups such as-C=O(Q).
Our experiments show that the reduced retention time tr of benzene on non- polar β-C_6H_6Cl_6 is much greater than that on polar fixed phases such as CH_3— —NO_2 in gas chromatography and that the het of solvation of β-C_6H_6Cl_6 in benzene is also much greater than that of the polar α-C_6H_6Cl_6 and γ-C_6H_6Cl_6. This can′t be explained by the usual Van de Waals′ force. It results from the selective intermoleccular force.
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