Co(NCS)<sub>2</sub>(abpt)<sub>2</sub> and Ni(NCS)<sub>2</sub>(abpt)<sub>2</sub> [abpt is 4-amino-3,5-bis(pyridin-2-yl)-1,2,4-triazole]: structural characterization of polymorphs A and B
Acta crystallographica. Section C, Structural chemistry.