Synthesis, characterization and molecular structures of the pyridinium trans-bis(pyridine)tetrachlororuthenate(III) and pyridinium trans-(carbonyl)(pyridine)tetrachlororuthenate(III)
Autor(a) principal: | |
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Data de Publicação: | 1997 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1590/S0103-50531997000600013 http://hdl.handle.net/11449/65301 |
Resumo: | The pyH[trans-RuCl4(py)2](1) and pyH[trans-RuCl4(CO)(py)](2) complexes were synthesized and found to crystallize in space group P21/n, Z = 4 with a = 8.080(7), b = 22.503(7), c = 10.125(6) Å, β = 93.19(6)° for (1) and a = 7.821(1), b = 10.337(3), c = 19.763(3) Å, β = 93.07(1)° for (2). The structures were solved by Patterson and difference Fourier techniques and refined to R = 0.062 for (1) and R = 0.038 for (2). In both cases the Ru(III) ion is octahedrally coordinated to four co-planar chlorine atoms, the nitrogen of the pyridine rings or carbon from the carbon monoxide. Another protonated pyridine group, which forms the counter-cation completes the crystal structures. The UV-Vis absorption spectra show three bands: (1) 360 (ε = 1180 M-1 cm-1), 441 (ε = 3200 M-1 cm-1) and 532 nm (ε = 400 M-1 cm-1); (2) 315(ε = 1150 M-1 cm-1), 442 (ε = 3170 M-1 cm-1) and 530 nm (ε = 390 M-1 cm-1). The two higher energy bands were associated with ligand-to-metal charge transfer transitions and a third band at lower energy was assigned to a d-d transition. Low temperature EPR data confirmed the presence of the paramagnetically active Ru(III) and it is consistent with axial symmetry of the complexes. The position of the stretching CO band in complex (2) is discussed in terms of metal-CO backbonding. |
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Synthesis, characterization and molecular structures of the pyridinium trans-bis(pyridine)tetrachlororuthenate(III) and pyridinium trans-(carbonyl)(pyridine)tetrachlororuthenate(III)RutheniumTetrachlororuthenate(III)X-ray structuresThe pyH[trans-RuCl4(py)2](1) and pyH[trans-RuCl4(CO)(py)](2) complexes were synthesized and found to crystallize in space group P21/n, Z = 4 with a = 8.080(7), b = 22.503(7), c = 10.125(6) Å, β = 93.19(6)° for (1) and a = 7.821(1), b = 10.337(3), c = 19.763(3) Å, β = 93.07(1)° for (2). The structures were solved by Patterson and difference Fourier techniques and refined to R = 0.062 for (1) and R = 0.038 for (2). In both cases the Ru(III) ion is octahedrally coordinated to four co-planar chlorine atoms, the nitrogen of the pyridine rings or carbon from the carbon monoxide. Another protonated pyridine group, which forms the counter-cation completes the crystal structures. The UV-Vis absorption spectra show three bands: (1) 360 (ε = 1180 M-1 cm-1), 441 (ε = 3200 M-1 cm-1) and 532 nm (ε = 400 M-1 cm-1); (2) 315(ε = 1150 M-1 cm-1), 442 (ε = 3170 M-1 cm-1) and 530 nm (ε = 390 M-1 cm-1). The two higher energy bands were associated with ligand-to-metal charge transfer transitions and a third band at lower energy was assigned to a d-d transition. Low temperature EPR data confirmed the presence of the paramagnetically active Ru(III) and it is consistent with axial symmetry of the complexes. The position of the stretching CO band in complex (2) is discussed in terms of metal-CO backbonding.Departamento de Química Univ. Federal de São Carlos, C.P. 676, 13565-905 São Carlos - SPInst. de Fis. de São Carlos Universidade de São Paulo, C.P. 369, 13560-970 São Carlos - SPDepto. de Fis. e Biofísica IB-UNESP, C.P. 510, 18618-000 Botucatu - SPDepto. de Fis. e Biofísica IB-UNESP, C.P. 510, 18618-000 Botucatu - SPUniversidade Federal de São Carlos (UFSCar)Universidade de São Paulo (USP)Universidade Estadual Paulista (Unesp)Batista, Alzir A.Onofre, Sandra A.Queiroz, Salete L.Oliva, GlauciusFontes, Marcos R.M. [UNESP]Nascimento, Otaciro R.2014-05-27T11:18:19Z2014-05-27T11:18:19Z1997-12-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article641-647application/pdfhttp://dx.doi.org/10.1590/S0103-50531997000600013Journal of the Brazilian Chemical Society, v. 8, n. 6, p. 641-647, 1997.0103-5053http://hdl.handle.net/11449/6530110.1590/S0103-50531997000600013S0103-50531997000600013WOS:0000726394000132-s2.0-00313304782-s2.0-0031330478.pdf7437410467757543Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengJournal of the Brazilian Chemical Society1.4440,357info:eu-repo/semantics/openAccess2023-10-23T06:06:31Zoai:repositorio.unesp.br:11449/65301Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462023-10-23T06:06:31Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Synthesis, characterization and molecular structures of the pyridinium trans-bis(pyridine)tetrachlororuthenate(III) and pyridinium trans-(carbonyl)(pyridine)tetrachlororuthenate(III) |
title |
Synthesis, characterization and molecular structures of the pyridinium trans-bis(pyridine)tetrachlororuthenate(III) and pyridinium trans-(carbonyl)(pyridine)tetrachlororuthenate(III) |
spellingShingle |
Synthesis, characterization and molecular structures of the pyridinium trans-bis(pyridine)tetrachlororuthenate(III) and pyridinium trans-(carbonyl)(pyridine)tetrachlororuthenate(III) Batista, Alzir A. Ruthenium Tetrachlororuthenate(III) X-ray structures |
title_short |
Synthesis, characterization and molecular structures of the pyridinium trans-bis(pyridine)tetrachlororuthenate(III) and pyridinium trans-(carbonyl)(pyridine)tetrachlororuthenate(III) |
title_full |
Synthesis, characterization and molecular structures of the pyridinium trans-bis(pyridine)tetrachlororuthenate(III) and pyridinium trans-(carbonyl)(pyridine)tetrachlororuthenate(III) |
title_fullStr |
Synthesis, characterization and molecular structures of the pyridinium trans-bis(pyridine)tetrachlororuthenate(III) and pyridinium trans-(carbonyl)(pyridine)tetrachlororuthenate(III) |
title_full_unstemmed |
Synthesis, characterization and molecular structures of the pyridinium trans-bis(pyridine)tetrachlororuthenate(III) and pyridinium trans-(carbonyl)(pyridine)tetrachlororuthenate(III) |
title_sort |
Synthesis, characterization and molecular structures of the pyridinium trans-bis(pyridine)tetrachlororuthenate(III) and pyridinium trans-(carbonyl)(pyridine)tetrachlororuthenate(III) |
author |
Batista, Alzir A. |
author_facet |
Batista, Alzir A. Onofre, Sandra A. Queiroz, Salete L. Oliva, Glaucius Fontes, Marcos R.M. [UNESP] Nascimento, Otaciro R. |
author_role |
author |
author2 |
Onofre, Sandra A. Queiroz, Salete L. Oliva, Glaucius Fontes, Marcos R.M. [UNESP] Nascimento, Otaciro R. |
author2_role |
author author author author author |
dc.contributor.none.fl_str_mv |
Universidade Federal de São Carlos (UFSCar) Universidade de São Paulo (USP) Universidade Estadual Paulista (Unesp) |
dc.contributor.author.fl_str_mv |
Batista, Alzir A. Onofre, Sandra A. Queiroz, Salete L. Oliva, Glaucius Fontes, Marcos R.M. [UNESP] Nascimento, Otaciro R. |
dc.subject.por.fl_str_mv |
Ruthenium Tetrachlororuthenate(III) X-ray structures |
topic |
Ruthenium Tetrachlororuthenate(III) X-ray structures |
description |
The pyH[trans-RuCl4(py)2](1) and pyH[trans-RuCl4(CO)(py)](2) complexes were synthesized and found to crystallize in space group P21/n, Z = 4 with a = 8.080(7), b = 22.503(7), c = 10.125(6) Å, β = 93.19(6)° for (1) and a = 7.821(1), b = 10.337(3), c = 19.763(3) Å, β = 93.07(1)° for (2). The structures were solved by Patterson and difference Fourier techniques and refined to R = 0.062 for (1) and R = 0.038 for (2). In both cases the Ru(III) ion is octahedrally coordinated to four co-planar chlorine atoms, the nitrogen of the pyridine rings or carbon from the carbon monoxide. Another protonated pyridine group, which forms the counter-cation completes the crystal structures. The UV-Vis absorption spectra show three bands: (1) 360 (ε = 1180 M-1 cm-1), 441 (ε = 3200 M-1 cm-1) and 532 nm (ε = 400 M-1 cm-1); (2) 315(ε = 1150 M-1 cm-1), 442 (ε = 3170 M-1 cm-1) and 530 nm (ε = 390 M-1 cm-1). The two higher energy bands were associated with ligand-to-metal charge transfer transitions and a third band at lower energy was assigned to a d-d transition. Low temperature EPR data confirmed the presence of the paramagnetically active Ru(III) and it is consistent with axial symmetry of the complexes. The position of the stretching CO band in complex (2) is discussed in terms of metal-CO backbonding. |
publishDate |
1997 |
dc.date.none.fl_str_mv |
1997-12-01 2014-05-27T11:18:19Z 2014-05-27T11:18:19Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1590/S0103-50531997000600013 Journal of the Brazilian Chemical Society, v. 8, n. 6, p. 641-647, 1997. 0103-5053 http://hdl.handle.net/11449/65301 10.1590/S0103-50531997000600013 S0103-50531997000600013 WOS:000072639400013 2-s2.0-0031330478 2-s2.0-0031330478.pdf 7437410467757543 |
url |
http://dx.doi.org/10.1590/S0103-50531997000600013 http://hdl.handle.net/11449/65301 |
identifier_str_mv |
Journal of the Brazilian Chemical Society, v. 8, n. 6, p. 641-647, 1997. 0103-5053 10.1590/S0103-50531997000600013 S0103-50531997000600013 WOS:000072639400013 2-s2.0-0031330478 2-s2.0-0031330478.pdf 7437410467757543 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Journal of the Brazilian Chemical Society 1.444 0,357 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
641-647 application/pdf |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
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1799964666919649280 |