The mono-BBN adduct of bis(diethylglyoximato)nickel(II), [7-(cyclooctane-1,5-diyl)-2,3,11,12-tetraethyl-6,8-dioxa-5,9-diaza-7- boratridecane-1,13-dicarbaldehyde dioximato-κ4N]-nickel(II), [Ni(C20H35BN4O4)], crystallizes with two molecules in the asymmetric unit and with a short Ni⋯Ni distance [3.5042 (3) Å]. ©2003 International Union of Crystallography Printed in Great Britain - all rights reserved.
