Abstract
The initial use of the 1-hydroxybenzotriazolate (btaO −)/acetate ligand “blend” in manganese(II) chemistry has yielded a neutral 2D coordination polymer. Complex [ Mn 3 II ( O 2 CMe ) 2 ( btaO ) 4 ( MeOH ) 2 ] n was prepared by the reaction of Mn(O 2CMe) 2 · 4H 2O with btaOH in MeOH. The structure is based on centrosymmetric trinuclear units, which create the 2D network via 3.1110 and 3.2100 (Harris notation) btaO − ligands. The two crystallographically independent Mn II ions within the trinuclear unit are bridged by one 2.11 MeCO 2 - group and two btaO − ligands. Characteristic IR bands are discussed in terms of the coordination modes of the ligands. The intra- ( J 1 = −3.7 cm −1) and inter ( J 2 = J 3 = − 0.2 cm −1) magnetic exchange coupling constants have been obtained from Monte Carlo calculations.
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