Theoretical calculation of self-assembled alkynyl thin films

Autor: Michael A. Whitehead, Adam J. Dickie, Ashok K. Kakkar
Rok vydání: 2005
Předmět:
Zdroj: Journal of Molecular Structure: THEOCHEM. 723:111-122
ISSN: 0166-1280
DOI: 10.1016/j.theochem.2005.02.037
Popis: PM3 calculations of monomer and dimer structures of H–C C–(CH2)6–C C–Sn and H–C C–p–C6H4–C C–Sn molecules gave geometries and energies comparable to ab initio 3-21G(d,p) and LANL2DZ methods, with more localized molecular orbitals. PM3 optimization of the PGO-S alkyl and phenyl repeat units illustrate the usefulness of the RRSM and PGO-S methods to find potential energy minima. MO analysis of the self-assembled monolayers showed the Sn–O headgroups extend π-conjugation of the monolayer chains to allow infinite thin films to act as semi-conducting materials.
Databáze: OpenAIRE