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Mechanochemical reactivity of square-planar nickel complexes and pyridyl-based spacers for the solid-state preparation of coordination polymers: the case of nickel diethyldithiophosphate and 4,4′-bipyridine

Mechanochemical reactivity of square-planar nickel complexes and pyridyl-based spacers for the solid-state preparation of coordination polymers: the case of nickel diethyldithiophosphate and 4,4′-bipyridine
Mechanochemical reactivity of square-planar nickel complexes and pyridyl-based spacers for the solid-state preparation of coordination polymers: the case of nickel diethyldithiophosphate and 4,4′-bipyridine
The mechanochemical synthesis of a coordination polymer from a preformed metal coordination complex and a pyridyl-based spacer has been successfully performed. The coordination polymer (1·L)∞ was obtained rapidly from the reaction of the neutral square-planar complex [{(EtO)2PS2}2Ni] (1) and 4,4′-bipyridine (L) at room temperature through two different mechanochemical approaches (neat grinding and liquid-assisted grinding). The products were characterized by X-ray powder diffraction, IR spectroscopy, scanning electron microscopy, thermogravimetry and differential scanning calorimetry techniques. In parallel (1·L)∞ was prepared by conventional solvent-based methods, and the X-ray crystal structure of the polymer, obtained as single crystals, was compared with that from the mechanochemical preparation.
mechanochemistry, Nickel, solid-state reactions, coordination polymers, Crystal engineering, green chemistry
1434-1948
1908-1914
Cabras, Valentina
52f5c7c7-e369-4d34-9aea-b05ed4df7ab1
Pilloni, Martina
d2a156a2-8f0e-435d-87f8-0dd1afc6e91d
Scano, Alessandra
012f0811-9886-4fc6-a474-edc25b047c8b
Lai, Romina
d08b971a-9bc0-4bc8-85fc-78c3a3b3bbc6
Aragoni, Maria Carla
e2a7410a-65e0-4550-afba-0d3282d34190
Coles, Simon J.
3116f58b-c30c-48cf-bdd5-397d1c1fecf8
Ennas, Guido
f33824dd-64ea-4389-b162-d7e35d9c67bd
Cabras, Valentina
52f5c7c7-e369-4d34-9aea-b05ed4df7ab1
Pilloni, Martina
d2a156a2-8f0e-435d-87f8-0dd1afc6e91d
Scano, Alessandra
012f0811-9886-4fc6-a474-edc25b047c8b
Lai, Romina
d08b971a-9bc0-4bc8-85fc-78c3a3b3bbc6
Aragoni, Maria Carla
e2a7410a-65e0-4550-afba-0d3282d34190
Coles, Simon J.
3116f58b-c30c-48cf-bdd5-397d1c1fecf8
Ennas, Guido
f33824dd-64ea-4389-b162-d7e35d9c67bd

Cabras, Valentina, Pilloni, Martina, Scano, Alessandra, Lai, Romina, Aragoni, Maria Carla, Coles, Simon J. and Ennas, Guido (2017) Mechanochemical reactivity of square-planar nickel complexes and pyridyl-based spacers for the solid-state preparation of coordination polymers: the case of nickel diethyldithiophosphate and 4,4′-bipyridine. European Journal of Inorganic Chemistry, 2017 (13), 1908-1914. (doi:10.1002/ejic.201601541).

Record type: Article

Abstract

The mechanochemical synthesis of a coordination polymer from a preformed metal coordination complex and a pyridyl-based spacer has been successfully performed. The coordination polymer (1·L)∞ was obtained rapidly from the reaction of the neutral square-planar complex [{(EtO)2PS2}2Ni] (1) and 4,4′-bipyridine (L) at room temperature through two different mechanochemical approaches (neat grinding and liquid-assisted grinding). The products were characterized by X-ray powder diffraction, IR spectroscopy, scanning electron microscopy, thermogravimetry and differential scanning calorimetry techniques. In parallel (1·L)∞ was prepared by conventional solvent-based methods, and the X-ray crystal structure of the polymer, obtained as single crystals, was compared with that from the mechanochemical preparation.

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ejic 201601541 Revised Manuscript_Guido - Accepted Manuscript
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Accepted/In Press date: 8 March 2017
e-pub ahead of print date: 3 April 2017
Keywords: mechanochemistry, Nickel, solid-state reactions, coordination polymers, Crystal engineering, green chemistry
Organisations: Chemistry Research Support

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Local EPrints ID: 407997
URI: http://eprints.soton.ac.uk/id/eprint/407997
ISSN: 1434-1948
PURE UUID: 71d897b3-99d7-47e0-8fc0-9eddcf59ebac
ORCID for Simon J. Coles: ORCID iD orcid.org/0000-0001-8414-9272

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Date deposited: 06 May 2017 01:05
Last modified: 17 Dec 2019 06:13

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Contributors

Author: Valentina Cabras
Author: Martina Pilloni
Author: Alessandra Scano
Author: Romina Lai
Author: Maria Carla Aragoni
Author: Simon J. Coles ORCID iD
Author: Guido Ennas

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