Varying the single bond by DeltaR/A(0) around the equilibrium entails changes of [(γ) over bar (RC-C) - (γ) over bar (R-e)]/e(4)a(0)(4)E(h)(-3) = -3643DeltaR(2) - 184DeltaR(3) + 453DeltaR(4) The mean second hyperpolarizability increases strongly with R-Cequivalent ...
Conversion of C[triple bond]C to CO in alkynyl-metal complexes: oxidation of carbon chains capped by carbon-tricobalt clusters. 来自 国家科技图书文献中心 喜欢 0 阅读量: 25 作者:MI Bruce,PA Humphrey,NN Zaitseva,BK Nicholson,BW Skelton,AH White ...
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Metal Fe makes the back bonding to CO The metal to ligand bond creates a synerigic effect which strengthens bond between CO and Fe which result in shortening of bond length .
Palladium forms 5–6-membered metallacyle, which reacts with norbornene to provide an intermediate, followed by the activation of meta-C–H bond and subsequently the aryl coupling partner forms new C–C bond then β-carbon elimination of norbornene and protodemetallation of the aryl–palladium ...
17). Besides, the length of the Fe–O bond is distributed in stages (Fig. 3a). For the active Fe-N4 site (golden circle), the average Fe–O bond length is around 1.737 Å. For the inactive Fe-N4 site (blue circle), the average Fe–O bond length is near 2.013 Å. ...
TiCl{sub 3}(DME){sub 1.5} (DME = 1,2-dimethoxyethane) and a Zn-Cu couple react with [PPN]{sub 2}[Fe{sub 3}(CO){sub 9}(CCO)] to give the new compound [PPN][Fe{sub 3}(CO){sub 9}(C{triple_bond}CH)] (1) (70% yield), a known compound [Fe{sub 3}(CO){sub 1...
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