Abstract:
The particular electronic properties of K[IrCl2(CO) 2]H2O are related to its supramolecular structure. Despite the lack of a single-crystal X-ray structure, by means of a variety of powerful experimental and theoretical techniques such as IR, NMR, ESI-MS, EXAFS, DFT calculations and MGAC/CPMD predictions, we obtained geometrical parameters showing the formation of one dimensional linear chains of Ir-Ir with at least 12 Ir atoms. The Ir-Ir distance is 2.82 ± 0.01 , which is short enough to assume a metal-metal bond. Restricted optimization of smaller oligomers shows a twist angle of about 51°, suggesting that the monomers are placed parallel to one another in a helical arrangement that make a 360° turn after 8 units. © 2010 Published by Elsevier Ltd.
Registro:
Documento: |
Artículo
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Título: | Formation of one dimensional linear chains by Ir-Ir bonds in cis-dicarbonyldichloroiridate (I) |
Autor: | Bikiel, D.E.; Ramallo-López, J.M.; Requejo, F.G.; Oña, O.B.; Ferraro, M.B.; Facelli, J.C.; Doctorovich, F. |
Filiación: | Departamento de Química Inorgánica, Analítica y Química Física/INQUIMAE-CONICET, Universidad de Buenos Aires, Pabellón II, Buenos AIres, Argentina Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA-CONICET), Facultad de Ciencias Exactas, Universidad Nacional de la Plata, Diag. 113 y 64, 1900 La Plata, Argentina Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires/ IFIBA, Pab. I (1428), Buenos Aires, Argentina Center for High Performance Computing / Department of Biomedical Informatics, University of Utah, 155 South 1452 East, Salt Lake City, UT 84112-0190, United States
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Palabras clave: | 1D; EXAFS; Iridium; Linear chains; Metal-metal bonds |
Año: | 2011
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Volumen: | 30
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Número: | 2
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Página de inicio: | 221
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Página de fin: | 227
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DOI: |
http://dx.doi.org/10.1016/j.poly.2010.10.005 |
Título revista: | Polyhedron
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Título revista abreviado: | Polyhedron
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ISSN: | 02775387
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CODEN: | PLYHD
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_02775387_v30_n2_p221_Bikiel |
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Citas:
---------- APA ----------
Bikiel, D.E., Ramallo-López, J.M., Requejo, F.G., Oña, O.B., Ferraro, M.B., Facelli, J.C. & Doctorovich, F.
(2011)
. Formation of one dimensional linear chains by Ir-Ir bonds in cis-dicarbonyldichloroiridate (I). Polyhedron, 30(2), 221-227.
http://dx.doi.org/10.1016/j.poly.2010.10.005---------- CHICAGO ----------
Bikiel, D.E., Ramallo-López, J.M., Requejo, F.G., Oña, O.B., Ferraro, M.B., Facelli, J.C., et al.
"Formation of one dimensional linear chains by Ir-Ir bonds in cis-dicarbonyldichloroiridate (I)"
. Polyhedron 30, no. 2
(2011) : 221-227.
http://dx.doi.org/10.1016/j.poly.2010.10.005---------- MLA ----------
Bikiel, D.E., Ramallo-López, J.M., Requejo, F.G., Oña, O.B., Ferraro, M.B., Facelli, J.C., et al.
"Formation of one dimensional linear chains by Ir-Ir bonds in cis-dicarbonyldichloroiridate (I)"
. Polyhedron, vol. 30, no. 2, 2011, pp. 221-227.
http://dx.doi.org/10.1016/j.poly.2010.10.005---------- VANCOUVER ----------
Bikiel, D.E., Ramallo-López, J.M., Requejo, F.G., Oña, O.B., Ferraro, M.B., Facelli, J.C., et al. Formation of one dimensional linear chains by Ir-Ir bonds in cis-dicarbonyldichloroiridate (I). Polyhedron. 2011;30(2):221-227.
http://dx.doi.org/10.1016/j.poly.2010.10.005