Disclaimer/Complaints regulationsIf you believe that digital publication of certain material infringes any of your rights or (privacy) interests, please let the Library know, stating your reasons. In case of a legitimate complaint, the Library will make the material inaccessible and/or remove it from the website. Please Ask the Library: http://uba.uva.nl/en/contact, or a letter to: Library of the University of Amsterdam, Secretariat, Singel 425, 1012 WP Amsterdam, The Netherlands. You will be contacted as soon as possible. The photochemical quantum yield for the disappearance of the ipr-DAB complex was ca. 0.30, but only 0.05 for the iPr-PyCa complex. Low-temperature measurements and flash photolysis data showed that this difference in behaviour is due to the thermal instability of the dimer [Ru(Me)(CO)2(ipr-PyCa)]2, which leads to partial regeneration of the parent complex at room temperature. At temperatures below 163 K, the photodecomposition into radicals was followed by electron transfer, leading to formation of the ions [(CO)sMn]-and [Ru(Me)(SXCO)z(a-diimine)] + in 2-MeTHF and the contact ion-pair [(CO)sMn-... Ru(Me)(CO)z(a-diimine) +] in 2-chlorobutane. Similar photodisproportionation products were formed upon irradiation of thc complexes at room temperature in the presence of N-or P-donor ligands.
Synthesis, structure and spectroscopic properties of novel metal-metal bonded manganese-ruthenium complexes with alpha-diimine ligands. X-ray structure of [(CO)5Mn-Ru(Me)(CO)2(sigma(N')-iPr-PyCa)](iPr-PyCa = pyridine-2-carbaldehyde-Nisopropylimine) Nieuwenhuis Oskam, A., & Goubitz, K. (1995). Synthesis, structure and spectroscopic properties of novel metal-metal bonded manganese-ruthenium complexes with alpha-diimine ligands. X-ray structure of [(CO)5Mn-Ru(Me)(CO)2(sigma(N')-iPr-PyCa)](iPr-PyCa = pyridine-2-carbaldehyde-N-isopropylimine). Inorganica Chimica Acta, 232, 19-25. DOI: 10.1016/0020-1693(94)04360-8 General rightsIt is not permitted to download or to forward/distribute the text or part of it without the consent of the author(s) and/or copyright holder(s), other than for strictly personal, individual use, unless the work is under an open content license (like Creative Commons). Disclaimer/Complaints regulationsIf you believe that digital publication of certain material infringes any of your rights or (privacy) interests, please let the Library know, stating your reasons. In case of a legitimate complaint, the Library will make the material inaccessible and/or remove it from the website. Please Ask the Library: http://uba.uva.nl/en/contact, or a letter to: Library of the University of Amsterdam, Secretariat, Singel 425, 1012 WP Amsterdam, The Netherlands. You will be contacted as soon as possible. Synthesis, structure and spectroscopic properties of novel metal-metal bonded manganese-ruthenium complexes with t -diimine ligands. X-ray structure of [(CO)sMn-Ru(Me) (CO)a(a(N),a(N') Received 4 July 1994; revised 6 September 1994 AbstractThe synthesis and spectroscopy of the complexes [(CO)sMn-Ru(Me)(CO)2(a-diimine)] (a-diimine=N,N'-diisopropyl-l,4-diaza-l,3-butadiene (iPr-DAB), pyridine-2-carbaldehyde-N-isopropylimine (iPr-PyCa)) are reported. The metal fragments are bonded to each other by an uncommon manganese-ruthenium bond. The single crystal X-ray structure has been determined. The purple crystals of [(CO)sMn-Ru(Me)(CO)2(iPr-PyCa)] are monoclinic, space group P21/n, Z=4, with unit cell dimensions a = 9.6297(7), b = 20.923(1), c = 10.166(1) ~ and fl = 92.190(8) °. The structure refinement converged to R = 0.035 for 3277 observed reflections. Both complexes show a strong, solvatochromic absorption band in the visible region, which is assigned to Ru (d,~)~a-diimine (~-*) transitions. In agreement with this assignment, the Raman spectra show resonance enhancement of Raman intensity for vs(CO) and vs(CN) of the Ru(Me)(CO)2(a-diimine) fragment.
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