Abstract
We find an unusual example in which different clusters can be isolated from the same reaction mixture depending on the choice of counter-ion. The complex [(bipy)2Mn(III)(μ-O)2Mn(IV)(bipy)2]3+ (1) (bipy=2,2′-dipyridyl) is isolated from Mn(II) and permanganate in acetate buffer with ClO4 -, but [(bipy)(H2O)Mn(III)(μ-O)(μ-OAc)2Mn(III)(bipy)(H2O)]2+ (2) with NO3 -. 1e-/2H+ or 1e-/1H+ proton-coupled electron transfer chemistry is found for 2 according to the type of buffer used. The new complex [(bipy)(H2O)Mn(III)(μ-O)2(μ-OAc)Mn(IV)(bipy)(H2O)]2+ (3) is also postulated as an intermediate in the formation of 1.
| Original language | English |
|---|---|
| Pages (from-to) | 135-137 |
| Number of pages | 3 |
| Journal | Inorganica Chimica Acta |
| Volume | 212 |
| Issue number | 1-2 |
| DOIs | |
| Publication status | Published - 1993 |
ASJC Scopus subject areas
- Biochemistry
- Inorganic Chemistry
- Physical and Theoretical Chemistry
- Materials Chemistry
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Manchanda, R., Brudvig, G. W., Crabtree, R. H., Sarneski, J. E., & Didiuk, M. (1993). Formation of a high valent di-μ-oxo manganese dimer in aqueous solution. Inorganica Chimica Acta, 212(1-2), 135-137. https://doi.org/10.1016/S0020-1693(00)92318-1