Pickl, Thomas; Poethig, Alexander published the article 《Bimetallic Platinum Group Complexes of a Macrocyclic Pyrazolate/NHC Hybrid Ligand》. Keywords: macrocyclic calix imidazolylidenepyrazolate bimetallic platinum palladium NHC carbene preparation; pyrazolate macrocyclic NHC hybrid bimetallic platinum palladium preparation structure; crystal mol structure macrocyclic calix imidazolylidenepyrazolate carbene platinum palladium.They researched the compound: Dichloro(1,5-cyclooctadiene)platinum(II)( cas:12080-32-9 ).Application In Synthesis of Dichloro(1,5-cyclooctadiene)platinum(II). Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:12080-32-9) here.
Authors present the synthesis, structural characterization, and photophys. properties of dinuclear PdII and PtII-NHC complexes Pd2L(PF6)2 and Pt2L(PF6)2 based on a macrocyclic calix[4]imidazolylidene[2]pyrazolate ligand obtained by in situ deprotonation of the tetraimidazolium salt H6L(PF6)4. The PtII congener was also prepared by transmetalation from previously published AgI pillarplex Ag8L2(PF6)4. NMR spectroscopy (1H, 13C, 195Pt) combined with SC-XRD studies elucidated the structure of the PdII and PtII complexes in the solid state and in solution The d8 metal ions of both congeners are coordinated in a slightly distorted square-planar arrangement. Similar to the previously reported NiII complex Ni2L(PF6)2, the heavier metal homologues adopt a bent, saddle-shaped structure. As observed for structurally similar PtII complexes in solution, bimetallic Pt2L(PF6)2 showed photoluminescence in the blue region. In the solid state, emission was observed at a similar energy with unusually short lifetimes compared to other monometallic PtII complexes. DFT and TDDFT studies shed light on the nature of the most bathochromic transitions, suggesting a significant pyrazolate- and NHC-centered π-π* character.
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