• Studies on bismuth carboxylates—synthesis and characterization of a new structural form of bismuth(III) dipicolinate

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      https://www.ias.ac.in/article/fulltext/jcsc/123/02/0131-0137

    • Keywords

       

      Bismuth; picolinic acid; dipicolinic acid; X-ray crystal structure; coordination polymer; carboxylate.

    • Abstract

       

      Synthesis and X-ray structure of a new bismuth dipicolinate cooordination polymer, {[Bi((2,6-O2C)2C5H3N)((2-HO2C-6-O2C)C5H3N)(H2O)]2.5H2O}$_n$ (7) are presented. Compound 7 has dimeric units with a Bi2O2 skeleton that are linked by additional weak Bi-O interactions leading to a polymeric structure. The overall coordination number at bismuth is 9 [two Bi-N and seven Bi-O bonds]. New routes to a second crystalline modification (4′) of the previously reported coordination polymer, bismuth tris(picolinate), [Bi(2-O2C-C5H4N)3]$_n$ (4), are described; bond parameters in the two crystalline forms (4 and 4′) are compared. In both the compounds 4′ and 7, bismuth has a distorted tricapped trigonal prismatic geometry.

    • Author Affiliations

       

      O Anjaneyulu1 K C Kumara Swamy1

      1. School of Chemistry, University of Hyderabad, Hyderabad 500046, India
    • Dates

       
  • Journal of Chemical Sciences | News

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