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A new iron(Ⅱ)complex based on dihydrobis(1-pyrazolyl)borate {[Fe(H2Bpz2)2(bipy-NH2)]·CH3OH,1}(bipy-NH2 = 4,4'-diaamino-2,2'-bipyridine)was prepared.1,2 The crystal structure of 1 is made up of mononuclear neutral species where the positive charge of iron(Ⅱ)is neutralized through the coordination of two H2Bpz2 anions,and the bipy-NH2 neutral ligands are used to fill the iron(Ⅱ)coordination sphere,the neutral iron(Ⅱ)species are stacked through π‐‐‐π contacts between the interdigitated bipy-NH2 chelate ligands.