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Mixed-ligand platinum and palladium complexes based on dinitrogen chelating ligands and a pyridine bearing the nitronylnitroxide radical

Mixed-ligand platinum and palladium complexes based on dinitrogen chelating ligands and a pyridine bearing the nitronylnitroxide radical
Mixed-ligand platinum and palladium complexes based on dinitrogen chelating ligands and a pyridine bearing the nitronylnitroxide radical
Novel cationic mixed-ligand palladium and platinum complexes based on the chelating ligands 4,7-dimethyl-1, 10-phenanthroline and 2,2'-bipyridine with a pyridine bearing the nitronylnitroxide radical are reported. The synthesis, X-ray crystal structures and magnetic properties of the two complexes [Pd(4,7-dimethyl-1,10-phenanthroline)(NIT-pPY)(2)](PF6)(2). DMF and [Pt(2,2'-bipyridine-NN')(NIT-pPY)(2)](PF6)(2) center dot 0.25H(2)O, (where NIT-pPy = 2-(p-pyridyl)-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide) are described. The two metal complexes show a strained square planar geometry. Short intermolecular contacts take place through the nitroxide groups and weak intermolecular antiferromagnetic interactions are dominant at low temperature.
1355-1359
Shemsi, Ahsan M.
3aebebf0-42df-4242-a3d7-0c3d2270bc6d
Ali, Bassam El
83dc44d4-724e-4225-b117-ad1528e3b825
Ziq, Khalil A.
0755afd8-1ec0-4391-bf45-5c5c84af4a6a
Morsy, Mohamed
d2616e75-7abf-432b-ae60-7a425c799533
Keene, Tony D.
fb859c26-6a1d-4c43-a15f-f329bc8d34d7
Decurtins, Silvio
331985a5-2121-47e4-a4b2-2fd09f8cabfd
Fettouhi, Mohammed
c9b7547d-331e-4176-95ce-4e1ab2970853
Shemsi, Ahsan M.
3aebebf0-42df-4242-a3d7-0c3d2270bc6d
Ali, Bassam El
83dc44d4-724e-4225-b117-ad1528e3b825
Ziq, Khalil A.
0755afd8-1ec0-4391-bf45-5c5c84af4a6a
Morsy, Mohamed
d2616e75-7abf-432b-ae60-7a425c799533
Keene, Tony D.
fb859c26-6a1d-4c43-a15f-f329bc8d34d7
Decurtins, Silvio
331985a5-2121-47e4-a4b2-2fd09f8cabfd
Fettouhi, Mohammed
c9b7547d-331e-4176-95ce-4e1ab2970853

Shemsi, Ahsan M., Ali, Bassam El, Ziq, Khalil A., Morsy, Mohamed, Keene, Tony D., Decurtins, Silvio and Fettouhi, Mohammed (2007) Mixed-ligand platinum and palladium complexes based on dinitrogen chelating ligands and a pyridine bearing the nitronylnitroxide radical. Inorganic Chemistry Communications, 10 (11), 1355-1359. (doi:10.1016/j.inoche.2007.08.013).

Record type: Article

Abstract

Novel cationic mixed-ligand palladium and platinum complexes based on the chelating ligands 4,7-dimethyl-1, 10-phenanthroline and 2,2'-bipyridine with a pyridine bearing the nitronylnitroxide radical are reported. The synthesis, X-ray crystal structures and magnetic properties of the two complexes [Pd(4,7-dimethyl-1,10-phenanthroline)(NIT-pPY)(2)](PF6)(2). DMF and [Pt(2,2'-bipyridine-NN')(NIT-pPY)(2)](PF6)(2) center dot 0.25H(2)O, (where NIT-pPy = 2-(p-pyridyl)-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide) are described. The two metal complexes show a strained square planar geometry. Short intermolecular contacts take place through the nitroxide groups and weak intermolecular antiferromagnetic interactions are dominant at low temperature.

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More information

Published date: November 2007
Organisations: Organic Chemistry: Synthesis, Catalysis and Flow, Chemistry, Faculty of Natural and Environmental Sciences

Identifiers

Local EPrints ID: 351392
URI: http://eprints.soton.ac.uk/id/eprint/351392
PURE UUID: ad63b6a9-4d67-4aea-ae58-b550b2a87c15
ORCID for Tony D. Keene: ORCID iD orcid.org/0000-0003-2297-4327

Catalogue record

Date deposited: 22 Apr 2013 13:33
Last modified: 03 Aug 2021 16:33

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