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Abstract <p>Single crystals of the Mn(III) complexes with tetradentate (N<sub>2</sub>O<sub>2</sub>) Schiff bases (L) and dicyanometallates [Mn(L)M(CN)<sub>2</sub>]<sub><i>n</i></sub>, where L&#xa0;=&#xa0;Salpn<sup>2–</sup> = <i>N</i>,<i>N</i>'-bis(salicylidene)-1,3-diaminopropane, M = Ag<sup>+</sup> (<b>I</b>), Au<sup>+</sup> (<b>II</b>), were obtained for the first time. The molecular structures of <b>I</b> and <b>II</b> were determined by X-ray diffraction (CCDC no. 2351118 (<b>I</b>), 2351119 (<b>II</b>)). It was found that the dicyanometallate anion [M(CN)<sub>2</sub>]ˉ in the crystal structure of these compounds acts as a bridge binding the Mn(III) moieties with the Schiff base into 1D. Using quantum chemical calculations, the (3, –1) type critical points were found near the C‒H…Ag/Au contact; this attests to the existence of weak hydrogen bonds between these atoms.</p>

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Heterometallic Manganese(III) Coordination Polymers with Schiff Bases (H2SALPN) and Dicyanometallates

  • 期刊论文

  • 发表日期：

    2025年1月1日

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  • V. A. Kopotkov,
  • L. V. Zorina,
  • S. V. Simonov,
  • A. N. Utenyshev,
  • K. V. Bozhenko

摘要

Abstract

Single crystals of the Mn(III) complexes with tetradentate (N2O2) Schiff bases (L) and dicyanometallates [Mn(L)M(CN)2]n, where L = Salpn2– = N,N'-bis(salicylidene)-1,3-diaminopropane, M = Ag+ (I), Au+ (II), were obtained for the first time. The molecular structures of I and II were determined by X-ray diffraction (CCDC no. 2351118 (I), 2351119 (II)). It was found that the dicyanometallate anion [M(CN)2]ˉ in the crystal structure of these compounds acts as a bridge binding the Mn(III) moieties with the Schiff base into 1D. Using quantum chemical calculations, the (3, –1) type critical points were found near the C‒H…Ag/Au contact; this attests to the existence of weak hydrogen bonds between these atoms.