Di-μ-pivalato-κO,O':O';κO:O,O'-bis-[(methanol-κO)bis-(2,2,6,6-tetra-methylhepta-ne-3,5-dionato)praseo-dymium(III)].
In the centrosymmetric dimeric title compound, [Pr(2)(C(5)H(9)O(2))(2)(C(11)H(19)O(2))(4)(CH(3)OH)(2)], the two praseodymium(III) atoms are eight-coordinate and are bridged by O atoms from the two pivalate anions. Each Pr(III) ion is further coordinated by two chelating 2,2,6,6-tetra-methyl-3,5-hepta-nedionate (thd(-)) ligands and one methanol mol-ecule. The distance between the two Pr(III) ions is 4.273 (5) Å. Intra-molecular hydrogen bonds exists between the methanol hy-droxy group on one Pr(III) atom and a chelating O atom of a thd(-) ligand coordinated to the symmetry-related Pr(III) atom.
Department of Chemistry, University of South Dakota, 414E Clark, CL115, Vermillion, SD 57069,  USA.
Qingguo
Q
Meng
Ann M
AM
Cross
P Stanley
PS
May
Andrew G
AG
Sykes
Mary T
MT
Berry