A Novel Niobium Cluster Aqua Ion with Capping μ4 -Se Ligand

Artem L. Gushchin*, Bee Lean Ooi, Pernille Harris, Pavel A. Abramov, Maxim N. Sokolov

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

The aqueous solution chemistry of niobium is underex-plored, and well characterized aqua complexes are scarce. In this con-tribution, a new niobium aqua complex was obtained by treatment of Zn-reduced ethanolic solution of NbCl5 with HCl in the presence of aselenide source (ZnSe). This is the first example of selenium containing aqua complex of niobium. The yellow-green aqua complex was isolated by cation-exchange chromatography and transformed into corresponding isothiocyanate complex by ligand exchange, which was crystallized as (PyH)4.5[H1.5Nb4SeO5(NCS)10]·0.5H2O. X-ray structural analysis revealed a metal-metal bonded tetranuclear{Nb44-Se)(μ2-O)5}4+ core with a capping μ4-Se ligand.
Original languageEnglish
JournalZeitschrift fuer Anorganische und Allgemeine Chemie
Volume645
Issue number4
Pages (from-to)398-401
Number of pages5
ISSN0044-2313
DOIs
Publication statusPublished - 2019

Keywords

  • High-valent cluster
  • Niobium aqua ion
  • Niobium
  • Selenide bridging ligand
  • Crystal structure

Cite this

Gushchin, Artem L. ; Ooi, Bee Lean ; Harris, Pernille ; Abramov, Pavel A. ; Sokolov, Maxim N. / A Novel Niobium Cluster Aqua Ion with Capping μ4 -Se Ligand. In: Zeitschrift fuer Anorganische und Allgemeine Chemie. 2019 ; Vol. 645, No. 4. pp. 398-401.
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title = "A Novel Niobium Cluster Aqua Ion with Capping μ4 -Se Ligand",
abstract = "The aqueous solution chemistry of niobium is underex-plored, and well characterized aqua complexes are scarce. In this con-tribution, a new niobium aqua complex was obtained by treatment of Zn-reduced ethanolic solution of NbCl5 with HCl in the presence of aselenide source (ZnSe). This is the first example of selenium containing aqua complex of niobium. The yellow-green aqua complex was isolated by cation-exchange chromatography and transformed into corresponding isothiocyanate complex by ligand exchange, which was crystallized as (PyH)4.5[H1.5Nb4SeO5(NCS)10]·0.5H2O. X-ray structural analysis revealed a metal-metal bonded tetranuclear{Nb4(μ4-Se)(μ2-O)5}4+ core with a capping μ4-Se ligand.",
keywords = "High-valent cluster, Niobium aqua ion, Niobium, Selenide bridging ligand, Crystal structure",
author = "Gushchin, {Artem L.} and Ooi, {Bee Lean} and Pernille Harris and Abramov, {Pavel A.} and Sokolov, {Maxim N.}",
year = "2019",
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A Novel Niobium Cluster Aqua Ion with Capping μ4 -Se Ligand. / Gushchin, Artem L.; Ooi, Bee Lean; Harris, Pernille; Abramov, Pavel A.; Sokolov, Maxim N.

In: Zeitschrift fuer Anorganische und Allgemeine Chemie, Vol. 645, No. 4, 2019, p. 398-401.

Research output: Contribution to journalJournal articleResearchpeer-review

TY - JOUR

T1 - A Novel Niobium Cluster Aqua Ion with Capping μ4 -Se Ligand

AU - Gushchin, Artem L.

AU - Ooi, Bee Lean

AU - Harris, Pernille

AU - Abramov, Pavel A.

AU - Sokolov, Maxim N.

PY - 2019

Y1 - 2019

N2 - The aqueous solution chemistry of niobium is underex-plored, and well characterized aqua complexes are scarce. In this con-tribution, a new niobium aqua complex was obtained by treatment of Zn-reduced ethanolic solution of NbCl5 with HCl in the presence of aselenide source (ZnSe). This is the first example of selenium containing aqua complex of niobium. The yellow-green aqua complex was isolated by cation-exchange chromatography and transformed into corresponding isothiocyanate complex by ligand exchange, which was crystallized as (PyH)4.5[H1.5Nb4SeO5(NCS)10]·0.5H2O. X-ray structural analysis revealed a metal-metal bonded tetranuclear{Nb4(μ4-Se)(μ2-O)5}4+ core with a capping μ4-Se ligand.

AB - The aqueous solution chemistry of niobium is underex-plored, and well characterized aqua complexes are scarce. In this con-tribution, a new niobium aqua complex was obtained by treatment of Zn-reduced ethanolic solution of NbCl5 with HCl in the presence of aselenide source (ZnSe). This is the first example of selenium containing aqua complex of niobium. The yellow-green aqua complex was isolated by cation-exchange chromatography and transformed into corresponding isothiocyanate complex by ligand exchange, which was crystallized as (PyH)4.5[H1.5Nb4SeO5(NCS)10]·0.5H2O. X-ray structural analysis revealed a metal-metal bonded tetranuclear{Nb4(μ4-Se)(μ2-O)5}4+ core with a capping μ4-Se ligand.

KW - High-valent cluster

KW - Niobium aqua ion

KW - Niobium

KW - Selenide bridging ligand

KW - Crystal structure

U2 - 10.1002/zaac.201800476

DO - 10.1002/zaac.201800476

M3 - Journal article

VL - 645

SP - 398

EP - 401

JO - Zeitschrift fuer Anorganische und Allgemeine Chemie

JF - Zeitschrift fuer Anorganische und Allgemeine Chemie

SN - 0044-2313

IS - 4

ER -