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Mononuclear Transition Metal Cymantrenecarboxylates as Precursors for Spinel-Type Manganites
Novel mononuclear cymantrenecarboxylate complexes of transition metals, [Co(H(2)O)(6)](CymCO(2))(2)·4H(2)O (Cym = (η(5)-C(5)H(4))Mn(CO)(3)) (1), [Ni(H(2)O)(6)](CymCO(2))(2)·4H(2)O (2), [Zn(H(2)O)(6)](CymCO(2))(2)·4H(2)O (3), [Co(CymCO(2))(2)(imz)(2)] (imz = imidazole, 4), [Co(CymCO(2))(2)(bpy)(2)]·2...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2022
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8838078/ https://www.ncbi.nlm.nih.gov/pubmed/35164348 http://dx.doi.org/10.3390/molecules27031082 |
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author | Koroteev, Pavel S. Ilyukhin, Andrey B. Gavrikov, Andrey V. Babeshkin, Konstantin A. Efimov, Nikolay N. |
author_facet | Koroteev, Pavel S. Ilyukhin, Andrey B. Gavrikov, Andrey V. Babeshkin, Konstantin A. Efimov, Nikolay N. |
author_sort | Koroteev, Pavel S. |
collection | PubMed |
description | Novel mononuclear cymantrenecarboxylate complexes of transition metals, [Co(H(2)O)(6)](CymCO(2))(2)·4H(2)O (Cym = (η(5)-C(5)H(4))Mn(CO)(3)) (1), [Ni(H(2)O)(6)](CymCO(2))(2)·4H(2)O (2), [Zn(H(2)O)(6)](CymCO(2))(2)·4H(2)O (3), [Co(CymCO(2))(2)(imz)(2)] (imz = imidazole, 4), [Co(CymCO(2))(2)(bpy)(2)]·2PhMe (bpy = 2,2′-bipyridyl, 5), [Ni(CymCO(2))(bpy)(2)(H(2)O)][CymCO(2)]·0.5MePh·2H(2)O (6), [Cu(CymCO(2))(2)(imz)(2)] (7), and [Cu(CymCO(2))(2)(bpy)(H(2)O)] (8), were obtained and characterized by single-crystal X-ray analysis. Complexes 1–3 are isostructural. Magnetism of the Co complexes 1, 4, and 5 was studied; it was shown that they exhibit the properties of field-induced single-molecule magnets with magnetization reversal barriers (ΔE/k(B)) of 44, 13, and 10 K, respectively. Thermal decomposition of complexes 1–8 was studied by means of DSC and TGA methods. The final products of thermolysis of 1–6 in air, according to powder XRD data, are the pure spinel phases MMn(2)O(4); for the cases of copper complexes, the mixtures of CuMn(2)O(4) and CuO were found in the products. |
format | Online Article Text |
id | pubmed-8838078 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2022 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-88380782022-02-13 Mononuclear Transition Metal Cymantrenecarboxylates as Precursors for Spinel-Type Manganites Koroteev, Pavel S. Ilyukhin, Andrey B. Gavrikov, Andrey V. Babeshkin, Konstantin A. Efimov, Nikolay N. Molecules Article Novel mononuclear cymantrenecarboxylate complexes of transition metals, [Co(H(2)O)(6)](CymCO(2))(2)·4H(2)O (Cym = (η(5)-C(5)H(4))Mn(CO)(3)) (1), [Ni(H(2)O)(6)](CymCO(2))(2)·4H(2)O (2), [Zn(H(2)O)(6)](CymCO(2))(2)·4H(2)O (3), [Co(CymCO(2))(2)(imz)(2)] (imz = imidazole, 4), [Co(CymCO(2))(2)(bpy)(2)]·2PhMe (bpy = 2,2′-bipyridyl, 5), [Ni(CymCO(2))(bpy)(2)(H(2)O)][CymCO(2)]·0.5MePh·2H(2)O (6), [Cu(CymCO(2))(2)(imz)(2)] (7), and [Cu(CymCO(2))(2)(bpy)(H(2)O)] (8), were obtained and characterized by single-crystal X-ray analysis. Complexes 1–3 are isostructural. Magnetism of the Co complexes 1, 4, and 5 was studied; it was shown that they exhibit the properties of field-induced single-molecule magnets with magnetization reversal barriers (ΔE/k(B)) of 44, 13, and 10 K, respectively. Thermal decomposition of complexes 1–8 was studied by means of DSC and TGA methods. The final products of thermolysis of 1–6 in air, according to powder XRD data, are the pure spinel phases MMn(2)O(4); for the cases of copper complexes, the mixtures of CuMn(2)O(4) and CuO were found in the products. MDPI 2022-02-06 /pmc/articles/PMC8838078/ /pubmed/35164348 http://dx.doi.org/10.3390/molecules27031082 Text en © 2022 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article Koroteev, Pavel S. Ilyukhin, Andrey B. Gavrikov, Andrey V. Babeshkin, Konstantin A. Efimov, Nikolay N. Mononuclear Transition Metal Cymantrenecarboxylates as Precursors for Spinel-Type Manganites |
title | Mononuclear Transition Metal Cymantrenecarboxylates as Precursors for Spinel-Type Manganites |
title_full | Mononuclear Transition Metal Cymantrenecarboxylates as Precursors for Spinel-Type Manganites |
title_fullStr | Mononuclear Transition Metal Cymantrenecarboxylates as Precursors for Spinel-Type Manganites |
title_full_unstemmed | Mononuclear Transition Metal Cymantrenecarboxylates as Precursors for Spinel-Type Manganites |
title_short | Mononuclear Transition Metal Cymantrenecarboxylates as Precursors for Spinel-Type Manganites |
title_sort | mononuclear transition metal cymantrenecarboxylates as precursors for spinel-type manganites |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8838078/ https://www.ncbi.nlm.nih.gov/pubmed/35164348 http://dx.doi.org/10.3390/molecules27031082 |
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