Ab initio MO study of m-phenylenediamine and 2,4-diamino-1,3,5-triazine dication diradicals

Akihiro Ito, Hiroki Miyajima, Kazunari Yoshizawa, Kazuyoshi Tanaka, Tokio Yamabe

研究成果: Contribution to journalArticle査読

3 被引用数 (Scopus)

抄録

Ab initio MO calculations of m-phenylenediamine (1) and 2,4-diamino-1,3,5-triazine (2) dication diradicals, which are the model molecules of two possible high-spin polymers (poly(m-aniline) and poly(imino-1,3,5-triazinediyl) cation radicals), have been carried out with the 6-31G* basis set at the ROHF, GVB and CASSCF levels. In accordance with qualitative MO considerations, the electronic structures of 12+ and 22+ were quite different from each other. In the planar C2v geometry, the singlet-triplet splittings (ΔES-T) of 12+ and 22+ were calculated to be 0.7 and 12.5 kcal/mol, respectively, at the CASPT2 level. m-1,3,5-triazinediyl is another effective ferromagnetic coupler for the aza-substituted systems.

本文言語英語
ページ(範囲)1777-1778
ページ数2
ジャーナルSynthetic Metals
85
1-3
DOI
出版ステータス出版済み - 3 15 1997
外部発表はい

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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