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Campo DC | Valor | Lengua/Idioma |
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dc.contributor.author | Giménez Soro, Raquel | - |
dc.contributor.author | Elduque, Anabel | - |
dc.contributor.author | López, José A. | - |
dc.contributor.author | Barberá, Joaquín | - |
dc.contributor.author | Cavero, Emma | - |
dc.contributor.author | Lantero, Ignacio | - |
dc.contributor.author | Oro, Luis A. | - |
dc.contributor.author | Serrano, José Luis | - |
dc.date.accessioned | 2009-12-16T09:08:14Z | - |
dc.date.available | 2009-12-16T09:08:14Z | - |
dc.date.issued | 2006-11-15 | - |
dc.identifier.citation | Inorganic Chemistry 45(25): 10363–10370 (2006) | en_US |
dc.identifier.issn | 0002-7863 | - |
dc.identifier.uri | http://hdl.handle.net/10261/19602 | - |
dc.description | 8 pages, 10 figures, 3 tables. | en_US |
dc.description.abstract | Several new cis-[RhCl(CO)2(Ln)] complexes have been prepared using different polycatenar pyrazole ligands (Ln) in order to obtain columnar liquid crystalline arrangements. The topology of the ligand plays an essential role, and a mesophase is induced at room temperature from a nonmesogenic pyrazole only when it is symmetrically substituted with six decyloxy chains. The single-crystal structure of a methoxy-substituted analogue, 3,5-bis(3,4,5-trimethoxyphenyl)pyrazole, is formed by globular tetrameric structures held together by H-bonding. However, parallel dimers are present in the corresponding cis-chlorodicarbonylrhodium(I) complex, a situation that explains the induction of a columnar mesophase in the decyloxy-substituted complex. The XRD pattern of the mesophase is consistent with a hexagonal symmetry in which the columns are formed by molecules assembled in an antiparallel mode. The crystal-to-mesophase transition was also detected by spectroscopic techniques as a shift in the IR carbonyl stretching bands and the appearance of a charge-transfer band in the absorption spectrum with thermochromic behavior. | en_US |
dc.description.sponsorship | We thank the CICYT-FEDER MAT2003-07806-C02-01, BQU2000/1170, and the Programa Ramón y Cajal from the Ministerio de Educación y Ciencia (MEC), Spain, and the Gobierno de Aragón for financial support. | en_US |
dc.format.extent | 22528 bytes | - |
dc.format.mimetype | application/msword | - |
dc.language.iso | eng | en_US |
dc.publisher | American Chemical Society | en_US |
dc.rights | closedAccess | en_US |
dc.title | Supramolecular structures and columnar mesophase induction in nondiscoid pyrazoles by complexation to rhodium(I) | en_US |
dc.type | artículo | en_US |
dc.identifier.doi | 10.1021/ic0614216 | - |
dc.description.peerreviewed | Peer reviewed | en_US |
dc.relation.publisherversion | http://dx.doi.org/10.1021/ic0614216 | en_US |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.fulltext | No Fulltext | - |
item.languageiso639-1 | en | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.openairetype | artículo | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | none | - |
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