The reactions of (δ5-CsMes)GeCl with GeCl2 or SnCl2 lead to the compound [AJ+fB]– or [A ]– [ C]– respectively. The solution 1HNMR spectrum of [ A][C] contains a singlet at 2.14 ppm, and the 13C NMR spectrum shows two signals at 6 9.6 and ppm. The mass spectra of the compounds exhibit a common peak at m/z = 209.
(a) Suggest identities for [A][B] and [A][C].
(b) Assign the 13C NMR spectrum, (c) The peak at m/z= 209 is not a single line. Why is this?
(c) What structures do you expect |B]– and [C] to adopt? (e) Describe the bonding in [A]+
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