The reactions of ( 5 C 5 Me 5 )GeCl with GeCl 2 or SnCl 2 lead to the compound A B or A C respectively The solution 1 H NMR spectrum of A C contains a singlet at 2 14 ppm, and the 13 C NMR spectrum shows two signals at 9 6 and 121 2 ppm The mass spectra of the compounds exhibit a common peak at m z...

a Suggested identities for AB and AC Based on the provided information we can propose the identities of AB and AC AB The singlet at 214 ppm in the 1H ...

The reactions of ( 5 -C 5 Me 5 )GeCl with GeCl 2 or SnCl 2 lead

Question:

The reactions of (η⁵-C₅Me₅)GeCl with GeCl₂ or SnCl₂ lead to the compound [A]⁺ [B]⁻ or [A]⁺ [C]⁻ respectively. The solution ¹H NMR spectrum of [A][C] contains a singlet at δ 2.14 ppm, and the ¹³C NMR spectrum shows two signals at δ 9.6 and 121.2 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.

(d) What structures do you expect [B]− and [C]⁻ to adopt?

(e) Describe the bonding in [A]⁺.

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