Synthesis and characterisation of [[μ-(1,7,11,17-tetraaza-2,6,12,16-tetraoxacycloeicosane)][(μ-(aquo)]bis[(acac)(ethanol)nickel(II)]] [BPh4]2

The crystal structure of the title compound, a 2:1 Ni(II):tetraaza-macrocycle ionic complex, has been determined and its magnetic properties studied.