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Synthesis and characterization of MHa <-HOR dihydrogen bonded ruthenium and osmium complexes (eta(5)-C5H4CH2OH)MH(PPh3)(2) (M = Ru, Os)

Authors Bai, Wei HKUST affiliated (currently or previously)
Tse, Sunny Kai San HKUST affiliated (currently or previously)
Lee, Ka Ho HKUST affiliated (currently or previously)
Sung, Herman Ho Yung HKUST affiliated (currently or previously)
Williams, Ian Duncan View this author's profile
Lin, Zhenyang View this author's profile
Jia, Guochen View this author's profile
Issue Date 2014
Source Science China Chemistry , v. 57, (8), 2014, p. 1079-1089
Summary Treatment of RuCl2(PPh3)(3) with 6-dimethylaminopentafulvene in THF in the presence of water produced (eta(5)-C5H4CHO) RuCl(PPh3)(2), which was reduced by NaBH4 to give the Ru-Ha <-HO dihydrogen bonded complex (eta(5)-C5H4CH2OH) RuH(PPh3)(2). The dihydrogen bonded complex (eta(5)-C5H4CH2OH)RuH(PPh3)(2) could also be synthesized by the reduction of complex (eta(5)-C5H4CHO)RuH(PPh3)(2), which was obtained by the reaction of RuHCl(PPh3)(3) with 6-dimethylaminopentafulvene in the presence of water. The analogous dihydrogen bonded osmium complex (eta(5)-C5H4CH2OH)OsH(PPh3)(2) was similarly prepared. Single crystal structures and DFT calculations support the presence of intra-molecular HaEuro broken vertical bar H interaction, with separations of around 1.9 to 2.0 angstrom.
ISSN 1674-7291
Language English
Format Article
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