Abstract
In the dimeric title complex, [Ag2(C16H8O8)(C12H8N2)2] or [Ag2(H2bta)(phen)2] (H4bta = biphenyl-2,2′,6,6′-tetracarboxylic acid, phen = 1,10-phenanthroline), each Ag(I) ion displays an approximatively planar-trigonal geometry, being surrounded by one chelating phen ligand and one carboxylate O atom from an H2bta ligand. Owing to the the presence of crystallographic twofold rotation axes, the four C atoms bisecting the H~2~bta ligand are located on a special position. Each H2bta ligand acts as a bis-monodentate ligand, ligating two Ag(I) ions into a dimeric compound. Intermolecular O—H⋯O interactions are observed in the crystal structure.
Highlights
In the dimeric title complex, [Ag2(C16H8O8)(C12H8N2)2] or [Ag2(H2bta)(phen)2] (H4bta = biphenyl-2,20,6,60-tetracarboxylic acid, phen = 1,10-phenanthroline), each Ag(I) ion displays an approximatively planar-trigonal geometry, being surrounded by one chelating phen ligand and one carboxylate O atom from an H2bta ligand
Owing to the the presence of crystallographic twofold rotation axes, the four C atoms bisecting the H~2~bta ligand are located on a special position
Each H2bta ligand acts as a bis-monodentate ligand, ligating two Ag(I) ions into a dimeric compound
Summary
Key indicators: single-crystal X-ray study; T = 293 K; mean (C–C) = 0.012 A; R factor = 0.057; wR factor = 0.178; data-to-parameter ratio = 13.4. Crystal data [Ag2(C16H8O8)(C12H8N2)2] Mr = 904.37 Monoclinic, C2=c a = 11.7633 (17) Ab = 11.5730 (18) Ac = 24.884 (4) A = 92.397 (2)
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