A study on the electronic structure of aperiodic polymers by theoretical polymerization method

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We have proposed a new method, that is, the method of theoretical polymerization by which we can calculatethe electronic structure of any aperiodic polymers. The procedure of this method mimics the reaction route for the polymerizaton reaction. In this method, the electronic structure of aperiodic polymers is theoretically synthesized by adding monomer one by one. This method has been proved to be combined successfully with various methods of the molecular orbital theory, such as the extended Huckel, MNDO,AMI,PM3, ab initio, and density functional methods. The reliability of this new method is checked by comparing the calculated total energy and electron density distribution by this new method with those by the conventional method. The both are in excellent agreement with each other and the computer time by our method is much smaller than that by the conventional method.