Reactivity of a Tin(II) (Iminophosphinoyl)(thiophosphinoyl)methanediide Complex Toward Sulfur: Synthesis and 119Sn Mössbauer Spectroscopic Studies of [{(μ-S)SnC(PPh2NSiMe3)(PPh2S)}3Sn(μ3-S)]
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https://figshare.com/articles/dataset/Reactivity_of_a_Tin_II_Iminophosphinoyl_thiophosphinoyl_methanediide_Complex_Toward_Sulfur_Synthesis_and_sup_119_sup_Sn_Mo_ssbauer_Spectroscopic_Studies_of_S_SnC_PPh_sub_2_sub_NSiMe_sub_3_sub_PPh_sub_2_sub_S_sub_3_sub_Sn_sub_3_sub_S_/2535757
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Reaction of [(PPh2NSiMe3)(PPh2S)CSn:]2 (1) with elemental sulfur in toluene afforded [{(μ-S)SnIVC(PPh2NSiMe3)(PPh2S)}3SnII(μ3-S)] (2) and [CH2(PPh2NSiMe3)(PPh2S)] (3). Compound 2 comprises a SnIIS moiety coordinated with the SnIV and S atoms of a trimeric 2-stannathiomethendiide {(PPh2NSiMe3)(PPh2S)CSn(μ-S)}3. Compound 2 has been characterized by NMR spectroscopy, 119Sn Mössbauer studies, X-ray crystallography, and theoretical studies. 119Sn NMR spectroscopy and Mössbauer studies show the presence of SnIV and SnII atoms in 2. X-ray crystallography suggests that the SnIIS moiety does not have multiple bond character. Theoretical studies illustrate that the Cmethanediide–Sn bonds comprise a lone pair orbital on each Cmethanediide atom and an C–Sn occupied σ orbital.
创建时间：
2016-02-21
