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Chain Compounds of Molybdenum(II) Trifluoroacetate Linked by p-Quinones (Mo2(O2CCF3)4(p-quin))n, p-quin=9,10-anthraquinone, 2,6-dimethyl-1,4-benzoquinone, and 1,4-naphthoquinone.

  • Handa Makoto
    Department of Material Science, Interdisciplinary Faculty of Science and Engineering, Shimane University
  • Matsumoto Hiroki
    Department of Material Science, Interdisciplinary Faculty of Science and Engineering, Shimane University
  • Yoshioka Daisuke
    Department of Material Science, Interdisciplinary Faculty of Science and Engineering, Shimane University
  • Nukada Ryoji
    Department of Chemistry, School of Science, Kwansei Gakuin University
  • Mikuriya Masahiro
    Department of Chemistry, School of Science, Kwansei Gakuin University
  • Hiromitsu Ichiro
    Department of Material Science, Interdisciplinary Faculty of Science and Engineering, Shimane University
  • Kasuga Kuninobu
    Department of Material Science, Interdisciplinary Faculty of Science and Engineering, Shimane University

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Other Title
  • Chain Compounds of Molybdenum(2)Trifluoroacetate Linked by p-Quinones[Mo2(O2CCF3)4-(p-quin)]n,p-quin=9,10-anthraquinone,2,6-dimethyl-1,4-benzoquinone,and 1,4-naphthoquinone
  • Chain Compounds of Molybdenum 2 Trifluo

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Abstract

A series of chain complexes of molybdenum(II) trifluoroacetate linked by p-quinones, [Mo2(O2CCF3)4(p-quin)]n, p-quin = 9,10-anthraquinone (9,10-aq), 2,6-dimethyl-1,4-benzoquinone (2,6-dmbq), and 1,4-naphthoquinone (1,4-nq) have been prepared. The X-ray structure analyses showed that the carbonyl oxygens of the p-quinones are coordinated to the Mo2 dimers with distances of 2.478(6) and 2.532(5) Å (for 9,10-aq), 2.619(9) and 2.596(10) Å (for 2,6-dmbq), and 2.522(8) Å (for 1,4-nq), respectively. The Mo–Mo bond distances are 2.107(1)—2.117(1) Å, which are slightly longer than that of Mo2(O2CCF3)4 (2.090(4) Å). Elongation of the C=O and C=C bonds of the 9,10-aq and 2,6-dmbq molecules on the coordination has been observed, but the bond distances of the coordinated and uncoordinated 1,4-nq molecules are similar to each other. The difference is discussed in terms of the oxidizing abilities and the symmetries of the p-quinones.

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