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<p>Three new nickel-based representatives of the so-called “layered hydroselenite” family have been characterized by single-crystal X-ray diffraction. In addition to the (enH<sub>2</sub>)[Ni(HSeO<sub>3</sub>)<sub>2</sub>Br<sub>2</sub>], the last missing member of the ethylenediammonium – transition metal hydroselenite-halide family, we were able to characterize the first members of a new family of compounds based on the N,N′-dimethylethylenediammonium cations, (dmedaH<sub>2</sub>)[Ni(HSeO<sub>3</sub>)<sub>2</sub><i>X</i><sub>2</sub>], <i>X</i> = Cl and Br. We compare the structural peculiarities of layered hydroselenites “stuffed” by the (enH<sub>2</sub>)<sup>2+</sup> and (dmedaH<sub>2</sub>)<sup>2+</sup> cations and predict existence of new series in this peculiar layered family.</p>

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Synthesis and structural characterization of new layered hydroselenites (enH2)[Ni(HSeO3)2Br2] and (dmedaH2)[Ni(HSeO3)2X2], X = Cl, Br

  • 期刊论文

  • 发表日期：

    2025年3月13日

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  • Dmitri O. Charkin,
  • Vasili Yu. Grishaev,
  • Oleg I. Siidra,
  • Alexander M. Banaru,
  • Sergey M. Aksenov

摘要

Three new nickel-based representatives of the so-called “layered hydroselenite” family have been characterized by single-crystal X-ray diffraction. In addition to the (enH2)[Ni(HSeO3)2Br2], the last missing member of the ethylenediammonium – transition metal hydroselenite-halide family, we were able to characterize the first members of a new family of compounds based on the N,N′-dimethylethylenediammonium cations, (dmedaH2)[Ni(HSeO3)2X2], X = Cl and Br. We compare the structural peculiarities of layered hydroselenites “stuffed” by the (enH2)2+ and (dmedaH2)2+ cations and predict existence of new series in this peculiar layered family.