Abstract
AbstractOn the basis of a comparison of theoretical quantum calculations, by both semiempirical and ab initio methods, with photoemission and inverse photoemission results, we suggest that polymethylvinylidenecyanide (PMVC) adopts an all‐trans conformation with few, if any, alternating trans‐gauche carbon–carbon bond arrangements. The comparison of theory with the available photoemission and inverse photoemission excludes the presence of a significant fraction of gauche bonds in the polymer chains, indicative of the all‐trans conformation, with dipoles all aligned. POLYM. ENG. SCI., 2008. © 2008 Society of Plastics Engineers
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