Note on volume effect in coiling molecules

Abstract

An estimate of the magnitude of the interference effect in a coil‐like molecule is made by calculating the nearest neighbor density w around a given link as a function of the total number of contributing chain units. It is shown, for instance, that in a chain consisting of several hundred units, the first fifteen contribute about 75 % of the total nearest neighbor density at distances below the length of a link. The plots presented indicate that after about the first twenty links, the rate of increase of nearest neighbor density begins to flatten off. It is also possible to derive the modification of the distribution function of chain ends in real chains for a given form of w.