Solid-State and Solution Structural Properties of Copper(I) Compounds with Bidentate Phosphane Ligands

✍ Scribed by Peter Comba; Charis Katsichtis; Bernd Nuber; Hans Pritzkow

• Publisher: John Wiley and Sons
• Year: 1999
• Tongue: English
• Weight: 279 KB
• Volume: 1999
• Category: Article
• ISSN: 1434-1948
• DOI: 10.1002/(sici)1099-0682(199905)1999:5<777::aid-ejic777>3.0.co;2-a

✦ Synopsis

The copper(I) compounds [Cu(dppe) 2 ]X [X = BF 4 -, I -; dppe = analyses of solids (mass spectra, elemental analyses, and CPMAS 31 P-NMR spectra) are interpreted with equilibria in 1,2-bis(diphenylphosphanyl)ethane], [Cu(dppp) 2 ]X [X = BF 4 -, I -; dppp = 1,3-bis(diphenylphosphanyl)propane], [Cu 2 -solution that involve two mono-and two dinuclear species. The structures of [Cu(dppe) 2 ]ClO 4 , [Cu(dppp) 2 ]BF 4 , and (dppe) 3 I 2 ], and [Cu 2 (dppe) 2 I 2 ] have been prepared and their structural properties in solution and in the solid state have [Cu 2 (dppe) 3 I 2 ] • 2 CHCl 3 have been analyzed by X-ray crystallography. In all three structures the copper(I) center been determined. 1 H-, 13 C-, and 31 P-NMR spectra in solution [variable temperature and anion (I -) concentrations] and adopts a distorted tetrahedral geometry. CH 2 Cl 2 yields the compounds [Cu(dppp) 2 ]BF 4 (5) and Im Neuenheimer Feld 270, D-69120 Heidelberg, Germany,

( 63 Cu, 65 Cu); [9] nevertheless, the observed spectra (see Table