Asymmetric Bis-PNP Pincer Complexes of Zirconium and Hafnium - a Measure of Hemilability
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CC-BY-NC-ND-4.0
Abstract
Asymmetrically-bound pyrrollide-based bis-PNP pincer complexes of zirconium and hafniumhave been formed. The [κ2-PNPPh][κ3-PNPPh]MCl2 species are in direct contrast to previouszirconium PNP pincer complexes. The pincer ligands are fluxional in their binding and theenergy barrier for exchange has been approximated using VT-NMR spectroscopy and theresult validated by DFT calculations.
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- europepmc
- last seen: 2026-05-19T01:45:01.086888+00:00
- unpaywall
- last seen: 2026-05-24T02:00:01.246996+00:00
License: CC-BY-NC-ND-4.0