Orientational disorder in the one-dimensional coordination polymer<i>catena</i>-poly[[bis(acetylacetonato-κ<sup>2</sup><i>O</i>,<i>O</i>′)cobalt(II)]-μ-1,4-diazabicyclo[2.2.2]octane-κ<sup>2</sup><i>N</i><sup>1</sup>:<i>N</i><sup>4</sup>]
Acta crystallographica. Section E, Crystallographic communications