Synthesis, crystal structure and properties of tris(benzene-1.2-diamine-N,N′)-cadmium naphthalene-1,5-disulfonate trihydrate complex compound

In this research work, for the first time, tris(benzene-1.2-diamine-N,N ')-cadmium naphthalene-1,5-disulfonate trihydrate ([Cd(OPD)(3)]1,5-NDS center dot 3H(2)O) complex has been synthesized. The molecular and crystal structures of the synthesized complex have been studied using the RTT method. In the crystal structure of the [Cd(OPD)(3)]1,5-NDS center dot 3H(2)O complex, 3 OPD molecules are chelated to the central Cd(II) ion in the inner sphere. In the outer sphere, there are 1,5-NDS and 3 water molecules. The crystal structure of the complex compound is monoclinic, the spatial group is P21/c, and the spatial shape is distorted octahedral. In the crystal structure of the molecule, there are internal and intermolecular hydrogen bonds of the type O-H center dot center dot center dot O, N-H center dot center dot center dot O and C-H center dot center dot center dot O. For the first time, Hirshfeld surface analysis of this complex compound has been performed using the Crystal Explorer program. In this case, H center dot center dot center dot H (42%), O center dot center dot center dot H/H center dot center dot center dot O (32.6%) and H center dot center dot center dot N/N center dot center dot center dot H (23.5%) Van Der Waals forces in the molecule form the main interactions. Also, the physicochemical properties of this complex compound have been studied using IR-spectroscopic and thermal analysis. In the thermal analysis of the complex 2, endothermic effects are observed, and mass reduction takes place in 4 stages.