Hydrothermal synthesis, structure and quantum chemistry of transition metal complex supported by metal-oxo cluster [(Ni(phen)2)2(ξ-Mo8O26)]

Jiqing Xu*, Renzhang Wang, Chunxiao Guo, Guoyu Yang, Qingxin Zeng, Weiming Bu, Ling Ye, Yuguo Fan, Guangdi Yang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

A nickel-1,10-phenanthroline complex supported on an octamolybdate, [(Ni(phen)2)2 (ξ-Mo8O26)], has been hydrothermally synthesized with MoO3, H2MoO4, Ni(OAc)2 • 6H2O and 1,10-phenathroline (1,10-phen) as raw materials. The crystals of the compound belong to monoclinic P21/n space group, a = 1.2952(2), b = 1.6659(10), c = 1.3956(12) nm, β = 106.273(8)°, V = 2.8906(5) nm3, Z = 2.5604 observable reflections (l >2σ(l)) were used for structure resolution and refinements to converge to final R1 = 0.0414, wR2 = 0.0815. The result of structure determination shows that the compound contains octamolybdate possessing a novel structure type (named as ξ-isomer). The feature of ξ-[Mo8O26]4- is that is composed of Mo6O6 ring and two Mo6 octahedra located at cap positions on opposite faces. The Mo6O6 ring contains two octahedral and four trigonal-bipyramidal MoVI atoms. Each ξ-[Mo8O26]4- unit is bonded with two [Ni(phen)2]2+ through terminal oxygen atoms of octahedral and neighbouring trigonal-bipyramidal Mo atom in the Mo6O6 ring. IR and UV-Vis spectra of the compound were measured and its electronic structure was studied by EHMO method.

Original languageEnglish
Pages (from-to)137-146
Number of pages10
JournalScience in China, Series B: Chemistry
Volume44
Issue number2
DOIs
Publication statusPublished - Apr 2001
Externally publishedYes

Keywords

  • Metal-oxo cluster
  • Supporting
  • Transition metal complex
  • ξ-octamolybdate

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