Meng and co-workers reported two bifunctional Fe(II) complexes, [Fe(L8)2](ClO4)2 ( ) and temperature solid state magnetic measurement data for complex 13 (red and black rectangles), for complex 14 (red and black triangles), and desolvated complex 14-d (black circles). (d) Correlation of temperaturedependent HS fraction and PL intensity with temperature for complex 13. Adapted with permission from