Citation: Cai Hua NI, Xian Yu ZENG, Ping MEI. A NEW EMPIRICAL EQUATION ON CORRELATION BETWEEN TOPOLOGIC INDEX AND PHYSICO-CHEMICAL PROPERTIES OF NORMAL PARAFFINS[J]. Chinese Chemical Letters, ;1996, 7(8): 771-772. shu

A NEW EMPIRICAL EQUATION ON CORRELATION BETWEEN TOPOLOGIC INDEX AND PHYSICO-CHEMICAL PROPERTIES OF NORMAL PARAFFINS

a Department of Chemistry, JingZhou Teachers'College;
b Department of Polymer Science, Beijing University of Chemical Technology;
c Department of Applied Chemistry, Jianghan Petroleum Institute

Received Date: 15 January 1996

An empirical equation to reveal relations between topological index (Z_G) and physico-chemical properties of normal paraffins is proposed as follows:P=a lg Z_G/N^x+b, where P stands for a physico-chemical property, N is the number of carbon atoms in the molecule, and Z_G is the topological index proposed by Hosoya, a, b, and x are constants related to a certain physico-chemical property. Thirteen properties are calculated using this equation. The values of these properties calculated are close to those from experiments.
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