Citation: Ahmad, Musheer; Sharma, Manish K.; Das, Raja; Poddar, Pankaj; Bharadwaj, Parimal K. (2012). Syntheses, Crystal Structures, and Magnetic Properties of Metal--Organic Hybrid Materials of Co(II) Using Flexible and Rigid Nitrogen-Based Ditopic Ligands as Spacers. Crystal Growth & Design, 12, pp. 1571-.