NDLI: Synthesis and molecular structures of tris(thio- and selenophenyl)stannyl complexes of cyclopentadienylcarbonylnitrosylmanganese and their reaction products with tungsten carbony

Content Provider	Springer Nature Link
Author	Pasynskii, A. A. Blokhin, A. I. Torubaev, Yu. V. Dobrokhotova, Zh. V.
Copyright Year	2011
Abstract	Reactions of CpMn(CO)(NO)SnCl$_{3}$ (I) with sodium benzenethiolate and sodium benzenesele-nolate gave orange crystals of the complexes CpMn(CO)(NO)Sn(EPh)$_{3}$, where E = S (II) or Se (III). Treatment of complex II with photochemically generated W(CO)$_{5}$(THF) yielded the adduct CpMn(CO)(NO)Sn(SPh)$_{3}$ · W(CO)$_{5}$ (IV). A similar treatment of complex III resulted in the formation of the ditungsten complex W$_{2}$(CO)$_{4}$(SePh)$_{6}$ (V) with transfer of all chalcogenate groups from tin to tungsten. In reactions of complexes II and III with a Pt$_{0}$ complex with phosphine and acetylene, (PPh$_{3}$)$_{2}$Pt(Ph$_{2}$C$_{2}$), the chalcogenate groups are transferred from tin. Only the known Pt(II) complexes (PPh$_{3}$)$_{2}$Pt(EPh)$_{2}$), where E= S (VI) or Se (VII). Molecular structures IV and V were characterized by X-ray diffraction. It has been found that the Mn-Sn bond in complex IV (2.5479(9) Å) is nearly the same length as that found earlier for complex II (2.5328(17) Å) and is substantially shorter than the sum of the covalent radii of Mn and Sn (2.78 Å). The Sn-S bond is noticeably lengthened (2.5217(11) Å) only for the S atom bound to tungsten (W-S, 2.5696(12) Å), while the other Sn-S bonds (2.4413(12) and 2.4291(12) Å) are virtually the same as in complex II (on average, 2.441 Å). Complex V contains the direct W-W bond (2.8153(16) Å) supplemented with four benzeneselenolate bridges in which the W-Se bonds (on average, 2.642(2) Å) are longer than the two terminal W-SePh bonds (2.571(2) Å). All the W-Se bonds are much shorter than the sum of the covalent radii of W and Se (2.82 Å).
Starting Page	879
Ending Page	886
Page Count	8
File Format	PDF
ISSN	10703284
Journal	Russian Journal of Coordination Chemistry
Volume Number	37
Issue Number	12
e-ISSN	16083318
Language	English
Publisher	SP MAIK Nauka/Interperiodica
Publisher Date	2011-12-10
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Inorganic Chemistry Physical Chemistry
Content Type	Text
Resource Type	Article
Subject	Chemistry Chemical Engineering

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