RGe(I)Ge(I)R Compound (R ) PhC(NtBu)2) with a Ge-Ge Single Bond and a Comparison with the Gauche Conformation of Hydrazine
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Synthesis of a germanium analogue of a dithiocarboxylic acid anhydride from the Ge(i) pyridyl-1-azaallyl dimer.
The reaction of pyridyl-1-azaallyl germanium(ii) chloride RGeCl () [R = {N(SiMe(3))C(Ph)C(SiMe(3))(C(5)H(4)N-2)}] with lithium metal afforded the dimeric germanium(i) compound [(RGe)(2)] (); compound reacts with an excess of elemental sulfur to afford the novel germanium analogue of a dithiocarboxylic acid anhydride [{Ge(S)R}(2)S] () via the insertion of elemental sulfur into the Ge(i)-Ge(i) bo...
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Electronic effects were investigated on the singlet–triplet energy gaps of divalent unsaturated seven- membered ring R2C6H6M (M=C, Si, Ge, Sn, Pb, R= –H, -CH3, i-Pr , t-Bu) at B3LYP/6-311++G** level. All the triplet states of R2C6H6C were more stable than the related the singlet states while all the singlet states of R2C6H6M (M= Si, Ge, Sn, Pb, R= –H, -CH3, i-Pr , t-Bu) were more stable than th...
متن کاملConcise access to iminophosphonamide stabilized heteroleptic germylenes: chemical reactivity and structural investigation.
The influence of a sterically demanding iminophosphonamide ligand, [(2,6-iPr2C6H3N)P(Ph2)(NtBu)]H (LH), on the synthesis and stability of a heteroleptic germylene monochloride, [(2,6-iPr2C6H3N)P(Ph2)(NtBu)]GeCl (1), and its reaction chemistry has been discussed. Complex 1 behaves as a Lewis base to form an adduct with Fe(CO)4, namely [(2,6-iPr2C6H3N)P(Ph2)(NtBu)]Ge(Cl)Fe(CO)4 (2). Reaction of 1...
متن کاملSynthesis and Structure of [{PhC(NtBu)2}2Ge2(μ-S)2Cl2] and a Germanium Dithiocarboxylate Analogue
LGeCl (L = PhC(NtBu)2) was treated with elemental sulfur in THF to afford [{PhC(NtBu)2}2Ge2(μ-S)2Cl2] (2) in 44% yield instead of yielding a compound containing a GedS double bond. It was revealed by theX-ray single-crystal structure that there is noGedS unit in 2. Instead, 2 features a four-membered ring containing two germanium and two sulfur atoms. The four-membered Ge2S2 ring is planar and ...
متن کاملComparison of the effect of Si and Ge presence on phase formation process, the structural and magnetic properties of Co2FeX (X=Ge,Si) Heusler compounds
In this study, the Co2FeX (X=Ge, Si) Heusler compounds with 30 valence electrons, which are made by using mechanical alloying and arc melting methods were studied. The crystallization of samples was confirmed by XRD data in both manufacturing methods. The results showed that the presence of Si than Ge in the compound played a more effective role to creation a large scale atomic ordering, and th...
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تاریخ انتشار 2008