Molecular structure of [Mn(DOTAM)]2+ viewed approximately along the C2 axis. For clarity, only the amide hydrogens are shown. Selected bond lengths [Å] and angles [°]: Mn-N1, 2.4351(11); Mn-N2, 2.4218(11); Mn-O1, 2.3128(10); Mn-O2, 2.3080(9); N1-Mn-N2, 73.73(4); N2-Mn-N1′, 73.79(4); O1-Mn-N1, 68.96(4); O1-Mn-O2, 73.83(3); O2-Mn-N2, 68.82(4).