Abstract
In this paper, we report the crystal and molecular structure of two compounds obtained from the reactions between the ligand 2,4,6-tris(2-pyrimidyl)-1,3,5-triazine (TpymT) with Pd(II) and Pt(II) [M(Cl2(CH3CN)2] complexes. The ligand hydrolyses into the anion N-[(pyrimidine)carbonyl]pyrimidine-2-carboxamidato (bpcam−), giving compounds with the formula [Pd(bpcam)Cl]·H2O, 1, and [Pt(bpcam)Cl]·DMSO, 2. Compounds 1 and 2 crystallize in the monoclinic crystal system with C2/c and P21/n space groups. The compounds are square planar, with the bpcam− acting as a tridentate-κ3N anionic ligand and the Cl− anion in the fourth position. In both complexes, the molecules stack in columns presenting interactions between the aromatic rings, reinforced in 2 by Pt···Pt interactions. The complexes interact with the solvent molecules through H-bonds building a 3D structure. We analyzed the systems through geometric parameters and Hirshfeld surface studies. The energy frameworks indicate that the main interactions between molecules in the crystal are dispersion forces.
Graphical Abstract
The paper presents the X-ray structures of [M(bpcam)Cl]·where bdcam- is the anion N-[(pyrimidine)carbonyl]pyrimidine-2-carboxamidato and M = Pd(II) and Pt(II), as well as Hirshfeld Surface and Energy Framework studies.
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Data Availability
CCDC 2072637 and 2072639 contains the supplementary crystallographic data for this paper. The data can be obtained free of charge from The Cambridge Crystallographic Data Centre via www.ccdc.cam.ac.uk/structures.
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Acknowledgements
LEC-E acknowledges CONACYT for the scholarship received. We thank Elizabeth Huerta Salazar, Ma. Del Carmen García Gonzalez, Francisco Javier Pérez Flores, and Rocío Patiño Maya for technical support.
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This study was supported by Consejo Nacional de Ciencia y Tecnología.
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Cruz-Estrada, L.E., Hernández-Ortega, S. & Valdés-Martínez, J. Hydrolysis of 2,4,6-tris(2-pyrimidyl)-1,3,5-triazine with Pd(II) and Pt(II) Complexes. J Chem Crystallogr 53, 127–137 (2023). https://doi.org/10.1007/s10870-022-00948-y
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DOI: https://doi.org/10.1007/s10870-022-00948-y