The Group 1A (1) alkali metals form a fascinating array of compounds in their re

Question

The Group 1A (1) alkali metals form a fascinating array of compounds in their reaction with O2(g): Li forms the oxide Li2O, Na forms the peroxide Na2O2, while K, Rb and Cs form superoxides of formula MO2. In a recent article by Jansen, the metathesis reaction between [NMe4] OH and KO2 was used to prepare compound 1.

NM?e?4OH + KO?2 ----> KOH + 1

Compound 1 has a peak in its Raman spectrum below at 1123 cm-1. In addition, compound 1 is paramagnetic with a magnetic moment µ of 1.66 BM

For comparison purposes, O?2(g) has a Raman peak at 1556 cm-1 and a magnetic moment µ of 2.85 BM.

What is compound 1? Rationalize all of the above data within a molecular orbital framework.

Explanation / Answer

Solution:

the compound 1 is methanol (CH3-OH)

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