http://www.cnr.it/ontology/cnr/individuo/prodotto/ID22519

Binuclear Hydridoplatinum(II): One-Pot Synthesis, INS Spectra and X-ray Crystal Structure of [Pt2(dcype)2(H)3][BPh4] {dcype = 1,2-Bis(dicyclohexylphosphanyl)ethane} (Articolo in rivista)

Type

Articolo in rivista (Classe)
Prodotto della ricerca (Classe)

Label

Binuclear Hydridoplatinum(II): One-Pot Synthesis, INS Spectra and X-ray Crystal Structure of [Pt2(dcype)2(H)3][BPh4] {dcype = 1,2-Bis(dicyclohexylphosphanyl)ethane} (Articolo in rivista) (literal)

Anno

2003-01-01T00:00:00+01:00 (literal)

Alternative label

Bandini Anna Laura; Banditelli Guido; Manassero Mario; Albinati Alberto; Colognesi Daniele; Eckert Juergen (2003)
Binuclear Hydridoplatinum(II): One-Pot Synthesis, INS Spectra and X-ray Crystal Structure of [Pt2(dcype)2(H)3][BPh4] {dcype = 1,2-Bis(dicyclohexylphosphanyl)ethane}
in European journal of inorganic chemistry (Print)
(literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

Bandini Anna Laura; Banditelli Guido; Manassero Mario; Albinati Alberto; Colognesi Daniele; Eckert Juergen (literal)

Pagina inizio

3958 (literal)

Pagina fine

3967 (literal)

Rivista

European journal of inorganic chemistry (Rivista)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo

21 (literal)

Note

ISI Web of Science (WOS) (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni

1. CNR-ISTM and Dipartimento di Chimica Inorganica, Metallorganica e Analitica, Universita` degli Studi di Milano, Via G. Venezian, 21 20133 Milano, Italy 2. Dipartimento di Chimica Strutturale e Stereochimica Inorganica and INFM, UdR Milano, Universita` degli Studi di Milano, Via G. Venezian, 21 20133 Milano, Italy 3. CNR Istituto di Fisica Applicata ''Nello Carrara'' 50127 Firenze, Italy 4. LANSCE, Los Alamos National Laboratory, Los Alamos, NM 87545, USA 5. Materials Research Laboratory, University of California Santa Barbara, Santa Barbara, CA 93106, USA (literal)

Titolo

Binuclear Hydridoplatinum(II): One-Pot Synthesis, INS Spectra and X-ray Crystal Structure of [Pt2(dcype)2(H)3][BPh4] {dcype = 1,2-Bis(dicyclohexylphosphanyl)ethane} (literal)

Abstract

The binuclear platinum(II) hydride [Pt2(dcype)2(H)3][Cl] (1b) has been isolated in high yields by treatment of Pt(dcype)Cl2 with NaBH4 (molar ratio 1:2) in ethanol solution at room temperature. This one-pot synthesis is not straightforward when starting from diphenylphosphanylalkane complexes. The compounds [Pt2(dppp)2(H)3][OH] (3b) and [Pt2(dppb)2-(H)3][OH] (4) were isolated by starting from the mononuclear hydrides {cis-[Pt(P-P)(H)2]} while mixtures of both binuclear {[Pt2(dppe)2(H)3]+, 5} and trinuclear {[Pt3(dppe)3(H)3]+, 6} trihydrides were obtained with the dppe ligand. Various salts of the cation 1, [Pt2(dcype)2(H)3][X] (X = BF4, 1a; OH, 1c; BPh4, 1d), were isolated either from [Pt(dcype)(?-OH)]2[BF4]2 (2) by a general procedure (1a), or by decomposition of the complex cis-[Pt(dcype)(H)2] in solution (1c), as well as by metathesis reactions (1a, 1c, and 1d). Compounds 1a, 1b, and 1d react with CO under mild conditions to afford the corresponding PtI binuclear hydrides [Pt2(dcype)2(?-CO)(?-H)][X] (X = Cl,7a; BF4, 7b; BPh4, 7c). The binuclear core of cation 1 is broken by KCN in methanol solution, yielding the mononuclear complex cis-[Pt(dcype)(CN)(H)] (8). The complexes 1a-d, 2, 7a-c, and 8 have been characterised by FAB MS, IR, and NMR (1H, 31P, and 195Pt) spectroscopic techniques; the 1 and 7 cations show fluxional behaviour on the NMR timescale. The structure of compound 1d was determined, at 200 K, by single-crystal X-ray diffraction. All the hydrido ligands were located. The Pt-Pt separation is 2.696(1) A and the coordination geometry around each platinum centre can be regarded as distorted square planar. Incoherent Inelastic Neutron Scattering (INS) spectra were obtained for 1a and [Pt2(dppe)2(H)3][BF4] (5a); the spectra reflect the different geometries of the two ''P4Pt2(H)3'' cores as found by single crystal structure determinations (literal)

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