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Titolo:
NEUTRAL PHOSPHINE COMPLEXES OF ANTIMONY(III) AND BISMUTH(III) HALIDES
Autore:
CLEGG W; ELSEGOOD MRJ; GRAHAM V; NORMAN NC; PICKETT NL; TAVAKKOLI K;
Indirizzi:
UNIV NEWCASTLE UPON TYNE,DEPT CHEM NEWCASTLE TYNE NE1 7RU TYNE & WEARENGLAND UNIV DURHAM,DEPT CHEM,SCI LABS DURHAM DH1 3LE ENGLAND
Titolo Testata:
Journal of the Chemical Society. Dalton transactions
fascicolo: 12, , anno: 1994,
pagine: 1743 - 1751
SICI:
0300-9246(1994):12<1743:NPCOAA>2.0.ZU;2-0
Fonte:
ISI
Lingua:
ENG
Soggetto:
SHARING BIOCTAHEDRAL COMPLEXES; RAY CRYSTAL-STRUCTURE; TUNGSTEN(III) COMPLEXES; DINUCLEAR; OXIDE)THALLIUM(III); TETRAHYDROFURAN; HAFNIUM(III); ANION; BONDS; BU;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
45
Recensione:
Indirizzi per estratti:
Citazione:
W. Clegg et al., "NEUTRAL PHOSPHINE COMPLEXES OF ANTIMONY(III) AND BISMUTH(III) HALIDES", Journal of the Chemical Society. Dalton transactions, (12), 1994, pp. 1743-1751

Abstract

The reaction between BiBr3 and PEt3 has afforded crystals of the centrosymmetric, tetrameric complex [Bi4Br12(PEt3)4] in which each bismuthcentre is octahedrally co-ordinated and bonded to one phosphine ligand. An alternative structural arrangement for a monophosphine complex has been found in a PMe3 complex of SbI3, [{SbI3(PMe3)}x], which is polymeric although with mu-1 bridges of two types between the antimony centres such that a description as a polymer of dimers is appropriate. In the bis(phosphine) complex of BiBr3, [Bi2Br6(PMe3)4], a centrosymmetric, edge-shared, bioctahedral structure is observed with cis phosphines occupying one axial and one equatorial site per bismuth centre. Similar structures have been observed for the dmpe complexes [E2Br6(dmpe)2] [E = Sb or Bi; dmpe = 1,2-bis(dimethylphosphino)ethane] and the factors affecting which structural isomer is adopted, in comparison with a range of transition metal complexes, have been discussed. An isomeric tetrameric form of [SbBr3(dmpe)] has also been isolated.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 01/10/20 alle ore 15:01:09