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for an example of a species having a singlet ground state because of this effect, see . E.

The construction and application of an infrared transparent thin-layer electrochemical cell are described. The properties of large optical thickness and small diffusional thickness are combined in the cell by use of

The anodic mercury wave of acetylacetonate and the reduction of normalCufalse(normalacac)2 have been investigated in acetonitrile solvent. The electrochemistry of both species is substantially modified by the presence of lithium perchlorate in the tetraethylammonium perchlorate supporting electrolyte. The anodic mercury wave of acetylacetonate yields a stable mercury (II) acetylacetonate product in lithium‐containing medium; the product complex undergoes rapid decomposition in the absence of lithium. A coordinative interaction of lithium ion with normalHgfalse(normalacac)2 is postulated. The reduction of normalCufalse(normalacac)2 proceeds in a single two electron wave in Et4NClO4 electrolyte and in two single electron steps in LiClO4‐Et4NClO4 electrolyte. An interpretation resting on the instability of normalCufalse(normalacac)2− and the coordination of acetylacetonate by lithium ion, to give Li2false(normalacac)+ , is given to account for this behavior.