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- Title
Syntheses and Structural Studies of Several Group 8 Metal Complexes Derived from 1, 3-Butadiyne.
- Authors
Bruce, Michael I.; Cole, Marcus L.; Costuas, Karine; Ellis, Benjamin G.; Kramarczuk, Kathy A.; Lapinte, Claude; Nicholson, Brian K.; Perkins, Gary J.; Skelton, Brian W.; White, Allan H.; Zaitseva, Natasha N.
- Abstract
As part of an extensive investigation into the chemistry of complexes containing metal-ligand centers linked by chains of C(sp) atoms, the preparation, characterization, and single-crystal X-ray diffraction molecular structure determinations of four complexes { ML n}-C≡CC≡C-{ M′L′ m} [ ML n = Ru(dppe)Cp*, M′L′ m = Fe(dppp)Cp* ( 1), Ru(dppe)Cp* ( 2), ML n = M′L′ m = Os(PPh3)2Cp ( 3)], and {Cp*(dppe)Ru}C≡CC≡C{ trans-RuCl(dppe)2} ( 4), in which the alternating C(sp)-C(sp) bonds have values between 1.375 and 1.40 Å (single) and between 1.20 and 1.259 Å (triple), respectively, are described. In addition, a structure determination of Ru3(μ-H){μ3-C2C≡C[Ru(PPh3)2Cp]}(CO)9 ( 5) shows that the C2 fragment attached to the HRu3 cluster shows the expected lengthening [to 1.311(7) Å] and bending at the two carbon atoms [to 152.6(6) and 157.6(5)°] (resulting from back-bonding from the Ru3 cluster into the C≡C π* orbitals) compared with the essentially linear Ru-CC- moiety [C≡C 1.222(6) Å, angles at C of 178.0(5), 172.3(6)°]
- Subjects
COMPLEX compounds synthesis; LIGAND crystallography; CRYSTAL structure; X-ray diffraction; ATOMS; BUTADIYNE
- Publication
Zeitschrift für Anorganische und Allgemeine Chemie, 2013, Vol 639, Issue 12/13, p2216
- ISSN
0044-2313
- Publication type
Article
- DOI
10.1002/zaac.201300282