![]() ![]() The ligand–ligand interactions between the achiral HFA ligands and the chiral pybox results in an asymmetric arrangement of three HFA ligands around the metal center. Single-crystal X-ray structural analysis revealed ligand–ligand interactions between the pybox ligand and the HFA ligand in each lanthanide(III) complex: π–π stacking interactions in the Eu III and Tb III complexes with the Ph-pybox ligand, CH/F interactions in those with the i-Pr-pybox ligand, and CH/π interactions in those with the Me-Ph-pybox ligand. Similarly, the complexes were found to exhibit CPL signals almost opposite to those of and complexes with the same pybox chirality. Continued abuse of our services will cause your IP address to be blocked indefinitely.Highly luminescent tris europium(III) complexes containing a chiral bis(oxazolinyl) pyridine (pybox) ligand-,, and )-exhibit strong circularly polarized luminescence (CPL) at the magnetic-dipole ( 5D 0 → 7F 1) transition, where the complexes show virtually opposite CPL spectra as compared to those with the same chirality of and. Please fill out the CAPTCHA below and then click the button to indicate that you agree to these terms. ![]() If you wish to be unblocked, you must agree that you will take immediate steps to rectify this issue. If you do not understand what is causing this behavior, please contact us here. If you promise to stop (by clicking the Agree button below), we'll unblock your connection for now, but we will immediately re-block it if we detect additional bad behavior. Overusing our search engine with a very large number of searches in a very short amount of time.Using a badly configured (or badly written) browser add-on for blocking content.Running a "scraper" or "downloader" program that either does not identify itself or uses fake headers to elude detection.Using a script or add-on that scans GameFAQs for box and screen images (such as an emulator front-end), while overloading our search engine.There is no official GameFAQs app, and we do not support nor have any contact with the makers of these unofficial apps. ![]() ![]() Continued use of these apps may cause your IP to be blocked indefinitely. This triggers our anti-spambot measures, which are designed to stop automated systems from flooding the site with traffic.
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