Spin transition in iron Fe(py)2L(NCS)2 complexes where py = pyridine and L = 2,2'-bipyrimidine (bpym) and 1,10-phenanthroline (phen): magnetic, calorimetric, and Moessbauer-effect investigation. Crystal structure of [Fe(py)2bpym(NCS)2].cntdot.0.25py [Erratum to document cited in CA113(22):203847f] | doi.page