occupy a pseudo-equatorial position related to the existence of an intramolecular hydrogen bond where the substituent acts as an acceptor. 2-Hydroxyphenyl moieties occupy a pseudo-axial position related to the existence of an intramolecular hydrogen bond where the substituent acts as a donor. In the sole example where an intramolecular hydrogen bond is not present (2-imidazolyl derivatives), the preference
Look both ways: Coordination bonding of verdazylradicals to diamagnetic metal ions dramatically modifies the crystal packing of the electronic spin bearers. The face‐to‐face positioning of two radicals leads to a magnetic behavior that is more relevant to a S=0 to S=1 spin‐transition phenomenon than to the usual exchange‐interaction view.