Protonated N-oxide-4,4 '-bipyridine: from luminescent Bi-III complexes to hybrids based on H-bonded dimers or H-bonded open 2D square supramolecular networks (Articolo in rivista)

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  • Protonated N-oxide-4,4 '-bipyridine: from luminescent Bi-III complexes to hybrids based on H-bonded dimers or H-bonded open 2D square supramolecular networks (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1039/c3ce41579a (literal)
Alternative label
  • Toma, O. ; Mercier, N. ; Allain, M. ; Botta, C. (2013)
    Protonated N-oxide-4,4 '-bipyridine: from luminescent Bi-III complexes to hybrids based on H-bonded dimers or H-bonded open 2D square supramolecular networks
    in CrystEngComm (Camb., Online); ROYAL SOC CHEMISTRY, THOMAS GRAHAM HOUSE,, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Toma, O. ; Mercier, N. ; Allain, M. ; Botta, C. (literal)
Pagina inizio
  • 8565 (literal)
Pagina fine
  • 8571 (literal)
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  • http://apps.webofknowledge.com/full_record.do?product=WOS&search_mode=GeneralSearch&qid=5&SID=X1aKieW7RrlZgElJ4Lz&page=1&doc=4 (literal)
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  • 15 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 42 (literal)
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  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Toma, O. ; Mercier, N. ; Allain, M. - CNRS, Angers, France; Botta C.- ISMAC-CNR (literal)
Titolo
  • Protonated N-oxide-4,4 '-bipyridine: from luminescent Bi-III complexes to hybrids based on H-bonded dimers or H-bonded open 2D square supramolecular networks (literal)
Abstract
  • The N-oxide-4,4'-bipyridine (bp4mo) ligand has been rarely used in coordination or supramolecular chemistry. Depending on experimental conditions in the bp4mo/BiX3\ (X = Cl, Br) system, several compounds, in which the degree of protonation of bp4mo (tau = H/bp4mo) varies, have been stabilized. In acidic conditions, either a complete N-protonation and a partial O-protonation (tau = 1.5) or a complete N-protonation (tau = 1.0) can occur, leading to either a hybrid salt based on H-bonded dimers [H(Hbp4mo)(2)](3+), or to O(Hbp4mo)-Bi photoluminescent complexes. In neutral conditions, a partial N-protonation (tau = 0.5) occurs in [H(bp4mo)(2)][BiCl4]. Although the N-oxide parts are free to bind Bi3+ cations, the organic entities prefer self-organizing through H-bonding (NH center dot center dot center dot N and CH center dot center dot center dot O) to give an impressive 2D supramolecular square network which accommodates the 1D BiCl4- polymeric anion. (literal)
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