首页> 外文期刊>Polyhedron: The International Journal for Inorganic and Organometallic Chemistry >Synthesis, structure and terahertz spectra of six Ag(I) complexes of bis(diphenylphosphino)methane with 4,40-bipyridine and its derivations
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Synthesis, structure and terahertz spectra of six Ag(I) complexes of bis(diphenylphosphino)methane with 4,40-bipyridine and its derivations

机译:双(二苯基膦基)甲烷与4,40-联吡啶的6种Ag(I)配合物的合成,结构和太赫兹光谱及其衍生物

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摘要

The reactions of silver salts AgX [X = OTf (OTf = CF_3SO_3), ClO_4 and BF_4] and bis(diphenylphosphino) methane (dppm) with 4,40-bipyridine (bipy) and its derivations [1,2-di(4-pyridyl)ethane (dpa), 1,2-di(4- pyridyl)ethylene (dpe), 1,3-bis(4-pyridyl)propane (bpp)] lead to six silver(I) complexes: {[Ag2(dppm)_2 (OTf)]2(l-bipy)}(OTf)_2?2CH_3OH (1), {[Ag_2(dppm)_2(μ-bpp)(OTf)](OTf)μ?CH_3OH}_n (2), {[Ag_2(dppm)_2(CH_3 CN)]_2(μ-dpa)}(ClO_4)_4?2CH_3CN (3), [Ag_2(dppm)_3](ClO_4)_2 (4), {[Ag_2(dppm)_2(μ-bipy)(CH_3CN)](BF_4)_2}_n (5) and {[Ag_2(dppm)_2(l-dpe)(CH_3CN)](BF_4)_2}_n (6). Complexes 1 and 3 are tetranuclear complexes with two eight-membered Ag_2P_4C_2 rings bridged by bipy and dpa respectively. 2, 5 and 6 are of infinite chain structures formed by [Ag2(dppm)_2] units linked by bpp, bipy and dpe respectively. 4 is a binuclear compound with two silver atoms bridged by three dppm ligands. All complexes are characterized by X-ray diffraction, fluorescence, ~1H and ~(31)P NMR spectroscopy and terahertz time-domain spectroscopy (THz-TDS).
机译:银盐AgX [X = OTf(OTf = CF_3SO_3),ClO_4和BF_4]与双(二苯基膦基)甲烷(dppm)与4,40-联吡啶(bipy)及其衍生物[1,2-di(4-吡啶基)乙烷(dpa),1,2-二(4-吡啶基)乙烯(dpe),1,3-双(4-吡啶基)丙烷(bpp)]生成六个银(I)络合物:{[Ag2( dppm)_2(OTf)] 2(l-bipy)}(OTf)_2?2CH_3OH(1),{[Ag_2(dppm)_2(μ-bpp)(OTf)](OTf)μ?CH_3OH} _n(2 ),{[Ag_2(dppm)_2(CH_3 CN)] _ 2(μ-dpa)}(ClO_4)_4?2CH_3CN(3),[Ag_2(dppm)_3](ClO_4)_2(4),{[Ag_2( dppm)_2(μ-bipy)(CH_3CN)](BF_4)_2} _n(5)和{[Ag_2(dppm)_2(1-dpe)(CH_3CN)](BF_4)_2} _n(6)。配合物1和3是具有两个分别由bipy和dpa桥接的八个八元Ag_2P_4C_2环的四核配合物。 2、5和6具有无限链结构,它们由分别由bpp,bipy和dpe连接的[Ag2(dppm)_2]单元形成。图4是双核化合物,其中两个银原子被三个dppm配体桥接。所有复合物的特征均在于X射线衍射,荧光,〜1H和〜(31)P NMR光谱以及太赫兹时域光谱(THz-TDS)。

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