Abstract
The platinum complexes 1 – 3 derivates of the ligand 2,2–bis(3,5–dimethylpyrazol–1–yl)–1–p–tolylethanol (L1) revealed the existence of one Pt•••Hδ–C(sp3) anagostic interaction which was elucidated in solution by NMR spectroscopy, in solid state by single crystal X–ray diffraction analysis and by Bader's quantum theory of atoms in molecules (QTAIM) and non–covalent interaction (NCI) analysis. The molecular structure of complexes 1 – 3 shown that ligand L1 acts towards the metal center with a κ3–NNH tridentate fashion via two nitrogen atoms and one δ–anagostic interaction (Pt•••Hδ). The metal center adopts a square pyramid geometry. The distances of the Pt•••Hδ anagostic interactions are having values from 2.625 to 2.635 Å.
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