Abstract
In the title compound, [EuSm(C12H9O2)6(C12H8N2)2], the metal site is statistically occupied (50:50) by Eu and Sm atoms, forming a centrosymmetric complex. The metal site is nine-coordinate, in a distorted monocapped square-antiprismatic coordination geometry. Molecules are linked into three chains by C—H⋯π interactions and C—H⋯O hydrogen bonds. The combination of these chains generates a three-dimensional framework structure. One of the bridging naphthalene-1-acetate ligands was found to be disordered over two sites; the site occupancies for the naphthylmethyl group refined to 0.628 (14) and 0.372 (14).
Highlights
In the title compound, [EuSm(C12H9O2)6(C12H8N2)2], the metal site is statistically occupied (50:50) by Eu and Sm atoms, forming a centrosymmetric complex
Molecules are linked into three chains by C—HÁ Á Á interactions and C—HÁ Á ÁO hydrogen bonds
One of the bridging naphthalene-1acetate ligands was found to be disordered over two sites; the site occupancies for the naphthylmethyl group refined to 0.628 (14) and 0.372 (14)
Summary
Key indicators: single-crystal X-ray study; T = 298 K; mean (C–C) = 0.015 A; disorder in main residue; R factor = 0.052; wR factor = 0.128; data-to-parameter ratio = 11.2. In the title compound, [EuSm(C12H9O2)6(C12H8N2)2], the metal site is statistically occupied (50:50) by Eu and Sm atoms, forming a centrosymmetric complex. The metal site is ninecoordinate, in a distorted monocapped square-antiprismatic coordination geometry. Molecules are linked into three chains by C—HÁ Á Á interactions and C—HÁ Á ÁO hydrogen bonds. The combination of these chains generates a three-dimensional framework structure. Crystal data [EuSm(C12H9O2)6(C12H8N2)2] Mr = 1773.87 Triclinic, P1 a = 11.9803 (18) Ab = 12.4116 (19) Ac = 15.041 (3) A = 76.333 (3) = 74.517 (3)
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