Serendipitous formation of a cerium(iv)‐mercury(ii) separated ion coordination polymer#

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SUMMARY

    The authors report the in situ formation of "[Ce(OtBu)3]" followed by oxidation with excess HgCl2. After reaction workup, colourless crystals were located within the excess HgCl2 and analysed by X-ray crystallography revealing the formation of a highly unusual ionic coordination polymer containing two tetravalent + cations and a di-anionic chloridomercurate(II) {Hg8Cl18}2 two dimensional sheet, ∞. In situ preparation of "[Ce(OtBu)3]" and oxidation by HgCl2 forming either ∞ or. (i) 3 KCl, 60 °C, n-hexane, overnight. (ii) Et2O, ~ 3-4 hours, reflux. iii) - 3 KCl, ~ 3-4 h, HgCl2 . . .

     

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