Crystal structure and Hirshfeld analysis of <i>trans</i>-bis(5-fluoroindoline-2,3-dione 3-oximato-κ<sup>2</sup> <i>O</i> <sup>2</sup>,<i>N</i> <sup>3</sup>)-<i>trans</i>-bis(pyridine-κ<i>N</i>)copper(II)
Acta crystallographica. Section E, Crystallographic communications