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The Structure of the Ligand Tri(1-cyclohepta-2,4,6-trienyl)phosphane, P(C7H7)3, in the Hexafluoroacetylacetonato Copper(I) Complexes, (hfac)Cu[P(C7H7)3]n (n = 1, 2)
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Max Herberhold
,
Wolfgang Milius
Published/Copyright:
June 2, 2014
Abstract
The reaction of CuCl[P(C7H7)3] (1a) with sodium hexafluoroacetylacetonate, Na(hfac), leads to (hfac)Cu[P(C7H7)3] (2a), which in the presence of excess P(C7H7)3 (a) gives (hfac)Cu[P(C7H7)3]2 (3a). Whereas the 1:2 compound 3a is a pseudo-tetrahedral copper(I) complex with relatively long Cu-P (224.85(10) and 223.75(10) pm) and Cu-O (212.7(3) and 212.0(3) pm) distances, the 1:1 complex 2a may be described as having a distorted pseudo-trigonal coordination sphere (Cu-P 214.32(11) pm, Cu-O 196.6(3) and 208.1(3) pm), although one of the cyclohepta-2,4,6-trienyl substituents develops a weak additional interaction with the metal through its central C=C double bond (Cu-C 275.1 and 272.9 pm). The molecular geometries of the tri(1-cyclohepta-2,4,6-trienyl) complexes 2a and 3a are compared with those of the known tri(cyclohexyl)phosphane complexes, (hfac)Cu[P(C6H11)3]n (n = 1 (2b) and 2 (3b)), and related compounds.
Published Online: 2014-6-2
Published in Print: 2004-8-1
© 1946 – 2014: Verlag der Zeitschrift für Naturforschung
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- The Structure of the Ligand Tri(1-cyclohepta-2,4,6-trienyl)phosphane, P(C7H7)3, in the Hexafluoroacetylacetonato Copper(I) Complexes, (hfac)Cu[P(C7H7)3]n (n = 1, 2)
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Keywords for this article
Copper(I);
1,3-Diketonate Complexes;
Olefinic Phosphanes;
Crystal Structure
Articles in the same Issue
- The Structure of the Ligand Tri(1-cyclohepta-2,4,6-trienyl)phosphane, P(C7H7)3, in the Hexafluoroacetylacetonato Copper(I) Complexes, (hfac)Cu[P(C7H7)3]n (n = 1, 2)
- Homoleptic Nickel(0) Phenyl Isocyanide Complexes
- Formation of an Iron(III) Oxo Cubane Core Fe4(μ4-O)4 from FeCl3 and the Unsymmetrical Tripodal Ligand N[(CH2CH2NH2)(CH2CH2OH)(CH2CH2CH2OH)]
- A Second Modification of Mercury(I) Orthoarsenate(V): Preparation and Crystal Structure of β-(Hg2)3(AsO4)2
- Metal Complexes of Biologically Important Ligands, CLV [1]. Some Derivatives of 4-Ethynylphenylalanine
- Solvothermal Syntheses, Crystal Structures of Two New Thioantimonates(III) of the Mn2(L)Sb2S5 Family with L = Diethylenetriamine and N-Methyl-1,3-Diaminopropane and a Study of the Magnetic Properties of Four Compounds of the Series
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