The double cluster compound [Nb6Cl14(MeCN)4][Nb6Cl14(pyz)4]·6MeCN (Me: methyl, pyz: pyrazine) with a layered structure resulting from weak intermolecular interactions-Reference-Cited by-同舟云学术

The double cluster compound [Nb₆Cl₁₄(MeCN)₄][Nb₆Cl₁₄(pyz)₄]·6MeCN (Me: methyl, pyz: pyrazine) with a layered structure resulting from weak intermolecular interactions

Published:2023-02-27 Issue:5 Volume:78 Page:279-283
ISSN:0932-0776
Container-title:Zeitschrift für Naturforschung B
language:en
Short-container-title:

Author:

Sperlich Eric¹,Köckerling Martin²³

Affiliation:

1. Institute of Chemistry, University of Potsdam , Karl-Liebknecht-Straße 24–25, D-14476 Potsdam , Germany

2. Solid-State Inorganic Chemistry Group , Institute of Chemistry, University of Rostock , Albert-Einstein-Straße 3a, 18059 Rostock , Germany

3. Department Life, Light and Matter , University of Rostock , 18051 Rostock , Germany

Abstract

Abstract The synthesis and the crystal structure of the double cluster compound [Nb6Cl14(MeCN)4][Nb6Cl14(pyz)4]·6CH3CN are described. The synthesis is based on a partial ligand exchange reaction, which proceeds upon dissolving [Nb6Cl14(pyz)4]·2CH2Cl2 in acetonitrile. The compound is built up of two discrete neutral cluster units, which consist of octahedra of Nb6 atoms coordinated by 12 edge-bridging chlorido and two terminal chlorido ligands, and four acetonitrile ligands on one and four pyrazine ligands on the other cluster unit. Co-crystallized acetonitrile molecules are also present. The single-crystal structure determination has revealed a cluster arrangement in which the [Nb6Cl14(pyz)4] units are connected by (halogen) lone-pair–(pyrazine) π interactions. These lead to chains of [Nb6Cl14(pyz)4] clusters. These chains are further connected to cluster layers by (nitrile-halogen) dipole–dipole interactions, in which the [Nb6Cl14(MeCN)4] and co-crystallized MeCN molecules are also involved. These cluster layers are arranged parallel to the crystallographic {011} plane.

Publisher

Walter de Gruyter GmbH

Subject

General Chemistry

Link

https://www.degruyter.com/document/doi/10.1515/znb-2023-0001/pdf

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