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Crystal structure of tetraphenyl phosphate tetrakis[dimethyl (2,2,2-trichloroacetyl)phosphoramidato]lutetium(III), PPh4[LuL4]
Autorzy
Rok wydania
2024
Czasopismo
Acta Crystallographica Section E: Crystallographic Communications
Numer woluminu
80
Strony
370-374
DOI
10.1107/s205698902400210x
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
A lutetium(III) complex based on the anion of the ligand dimethyl (2,2,2-trichloroacetyl)phosphoramidate (HL) and tetraphenylphosphonium, of composition PPh4[LuL4] (L = CAPh = carbacylamidophosphate), or (C24H20)[Lu(C4H6Cl3NO4P)4], has been synthesized and structurally characterized. The X-ray diffraction study of the compound revealed that the lutetium ion is surrounded by four bis-chelating CAPh ligands, forming the complex anion [LuL4]− with a coordination number of 8[O] for LuIII, while PPh4+ serves as a counter-ion. The coordination geometry around the Lu3+ ion was determined to be a nearly perfect triangular dodecahedron. The complex crystallizes in the monoclinic crystal system, space group P21/c, with four molecules in the unit cell. Weak hydrogen bonds O⋯HC(Ph), Cl⋯HC(Ph) and N⋯HC(Ph) are formed between the cations and anions. For a comparative study, HL-based structures were retrieved from the Cambridge Structural Database (CSD) and their geometries and conformations are discussed. A Hirshfeld surface analysis was also performed.
Słowa kluczowe
crystal structure, lanthanide, carbacylamidophosphate CAPh, rare-earth metals, coordination compound, tetrakis complex, chelate ligand, lutetium, tetraphenylphosphonium cation
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