The Correlation of Molecular Structure and Retention Index with the Change of Partial Molar Free Energy(AAAAG) of Pyridine Derivatives ——A New Method of Predicting Retention Index

Chem. J. Chinese Universities ›› 1992, Vol. 13 ›› Issue (2): 242.

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The Correlation of Molecular Structure and Retention Index with the Change of Partial Molar Free Energy(AAAAG) of Pyridine Derivatives ——A New Method of Predicting Retention Index

GONG Jian, GONG Ping

Department of Chemistry, Hunan Normal University, Changsha, 410006

Received:1991-03-06 Online:1992-02-24 Published:1992-02-24

Abstract

Abstract: In this paper, we measured the change of partial molar free energy of various pyridine derivatives (△G'or △G function) and its difference (δ(△G')) on capillary column coated with OV-101 and OV-17 The result indicates that the same substituent in different positions of hete-rocyclic ring provides different energiesCalculated by this method, the △G values and the retention index of the unknown are in good agreement with the experimental values, and this calculating method is of greatly practical significance.

Key words: Pyridine derivative, Partial molar free energy, Retention index

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GONG Jian, GONG Ping . The Correlation of Molecular Structure and Retention Index with the Change of Partial Molar Free Energy(AAAAG) of Pyridine Derivatives ——A New Method of Predicting Retention Index[J]. Chem. J. Chinese Universities, 1992, 13(2): 242.

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The Correlation of Molecular Structure and Retention Index with the Change of Partial Molar Free Energy(AAAAG) of Pyridine Derivatives ——A New Method of Predicting Retention Index

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