Abstract
Abstract The mononuclear mixed ligand Ce(III) pivalate with protonated cationic form of monoethanolamine (MEA) as ancillary ligand is reported. Crystal structure consists of mononuclear complex anions [Ce(Piv)5(HOCH2CH2NH3)]− (HPiv–2,2-dimethylpropionic (pivalic) acid) and cations [HOCH2CH2NH3]+ connected by hydrogen bonds into hexagonal layers packed over α-graphite motif. Central cerium ion coordinates six oxygen atoms of three bidentate chelate Piv− ligands, two O atoms of two monodentate pivalate ligands and one — of MEA in N-protonated cationic form. Five tert-butyl groups of pivalate ligands shield cerium(III) ion that facilitates coordination of ancillary ligand with positive charge on its peripheral part.
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