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      Permanent link:
      https://www.ias.ac.in/article/fulltext/jcsc/126/03/0717-0725

    • Keywords

       

      Transition metal ions; imine ligand; crystal structure; fluorescence.

    • Abstract

       

      Synthesis and X-ray structural characterization of three complexes of type cis-[M(dafone)2(NCS)2] (M = Co(II), 1; Ni(II), 2; Zn(II), 3; dafone = 4,5-diazafluoren-9-one) and a polymer cis-[Cd(dafone)(NCS)2]$_n$ (4) have been reported. Each of the four complexes is crystallized in orthorhombic crystal system. Structural study reveals that each metal(II) centre in the four complexes adopts distorted octahedral geometry with MN6 chromophore in 1-3 and MN4S2 chromophore in 4. The room temperature steady-state fluorescent intensity of dafone in dimethyl formamide at 402 nm is found to be quenched in these reported dafone complexes (1-4).

    • Author Affiliations

       

      Abhijit Pal1 Bhaskar Biswas1 2 Merry Mitra1 Chandra Shekhar Purohit3 Chia-Her Lind4 Rajarshi Ghosh1

      1. Department of Chemistry, The University of Burdwan, Burdwan 713 104, India
      2. Department of Chemistry, Raghunathpur College, Purulia 723 133, India
      3. Department of Chemical Sciences, National Institute of Science Education and Research, Bhubaneswar 751 005, India
      4. Department of Chemistry, Chung Yuan Christian University, Chung Li 32023, Taiwan, Republic of China

    • Dates

       
      Published
      May 2014
      Manuscript received
      25 September 2013
      Manuscript revised
      20 January 2014
      Accepted
      27 January 2014

    • Supplementary Material

       

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