Crystal structure of bis(azido-κ<i>N</i>)bis[2,5-bis(pyridin-2-yl)-1,3,4-thiadiazole-κ<sup>2</sup><i>N</i><sup>2</sup>,<i>N</i><sup>3</sup>]nickel(II)
Acta crystallographica. Section E, Crystallographic communications