In search for a pentacoordinated monoorgano stannyl cation

Nechaev, Mikhail S.; Chernov, Oleg; Portnyagin, Ivan A.; Khrustalev, Victor N.; Aysin, Rinat R.; Лунин, В. В.

doi:10.1016/j.jorganchem.2009.10.039

Cited by 6 publications

(1 citation statement)

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“…The tin atom, complexed within the cavity of cryptand[2.2.2], is bonded to a chloride anion at a distance of 2.532(2) Å, which is within the sum of ionic radii for tin(II) dication and a chloride anion (1.12 and 1.67 Å, respectively) and comparable to reported Sn(II)–Cl bond lengths. ,− The tin-cryptand complex has tin–oxygen and tin–nitrogen distances averaging 2.84 and 2.85 Å, respectively. The Sn–N bonds are longer than reported covalent Sn(II)–N bond lengths ,− and the Sn–O (cryptand) distances are longer than reported covalent Sn(II)–O bond lengths, ,− but comparable to those in the related tin(II)-crown ether complexes ( 5 – 9 ). − , …”

Section: Resultsmentioning

confidence: 65%

Cationic Cryptand Complexes of Tin(II)

et al. 2012

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A series of cationic cryptand complexes of tin(II), [Cryptand[2.2.2]SnX][SnX(3)] (10, X = Cl; 11, X = Br; 12, X = I) and [Cryptand[2.2.2]Sn][OTf](2) (13), were synthesized by the addition of cryptand[2.2.2] to a solution of either tin(II) chloride, iodide, or trifluoromethanesulfonate. The complexes could also be synthesized by the addition of the appropriate trimethylsilyl halide (or pseudohalide) reagent to a solution of tin(II) chloride and cryptand[2.2.2]. The complexes were characterized using a variety of techniques including NMR, Raman, and temperature-dependent Mössbauer spectroscopy, mass spectrometry, and X-ray diffraction.

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