Crystal structure of (μ2-2,2′-bipyridine-3,3′-dicarboxylato)-bis(5,5,7,12,12,14-hexamethyl-1,4,8,11-tetraazacyclotetradecane)-di-nickel(II) perchlorate <italic>N,N′</italic>-dimethylformamide solvate, C50H92Cl2N12Ni2O14

C50H92Cl2N12Ni2O14, monoclinic, <italic>C</italic>2/<italic>c</italic> (no. 15), <italic>a</italic> = 25.731(5) Å, <italic>b</italic> = 9.940(2) Å, <italic>c</italic> = 26.574(5) Å, <italic>β</italic> = 114.825(4)°, <italic>V</italic> = 6169(2) Å3, <italic>Z</italic> = 4, <italic>R</italic>gt(<italic>F</italic>) = 0.0675, w<italic>R</italic>ref(<italic>F</italic>2) = 0.2209, <italic>T</italic> = 173(2) K. [ABSTRACT FROM AUTHOR]