Structure oftrans-dichlorooxobis(triphenylphosphine)rhenium(V), ReCl2O(OEt)(Ph3P)2 |
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| Authors: | R Graziani U Casellato R Rossi A Marchi |
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| Institution: | (1) Istituto di Chimica Generale, Università di Padova, Italy;(2) Corso Stati Uniti, Istituto di Chimica e Tecnologia del Radioelementi del C.N.R., Padova, Italy;(3) Istituto di Chimica, Università di Ferrara, Italy |
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| Abstract: | C38H35Cl2O2P2Re,M
r=842, triclinic,P¯1,a=17.71(2),b=11.33(1),c=9.82(1) Å, =114.60(3), =90.84(3),  =78.05(3),V=1747(2) Å3,D
m(flotation)=1.60,D
x=1.60 Mg m–3 forZ=2, MoK,  =0.7107 Å, =41.6 cm–1,F(000)=836, room temperature. The structure was solved by standard methods from diffractometer data and refined to a conventionalR of 3.4% for 5412 observed reflections. The Re atom is six coordinate octahedral withtrans-Cl atoms andtrans-Ph3P groups. Relevant bond distances are: Re-P 2.533(1) and 2.535(1) Å, Re-O(ethoxo) 1.888(4) Å, and Re-O(oxide) 1.699(4) Å. The ethyl chain is partially disordered. |
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