In an article, author is Oulmidi, Afaf, once mentioned the application of 1985-46-2, Safety of N2,N2-Dimethyl-1,3,5-triazine-2,4,6-triamine, Name is N2,N2-Dimethyl-1,3,5-triazine-2,4,6-triamine, molecular formula is C5H10N6, molecular weight is 154.1731, MDL number is MFCD00191338, category is pyrazoles-derivatives. Now introduce a scientific discovery about this category.
New Bis-Pyrazole-Bis-Acetate Based Coordination Complexes: Influence of Counter-Anions and Metal Ions on the Supramolecular Structures
A new flexible bis-pyrazol-bis-acetate ligand, diethyl 2,2′-(pyridine-2,6-diylbis (5-methyl-1H-pyrazole-3,1-diyl))diacetate (L), has been synthesised, and three coordination complexes, namely, [Zn(L)(2)](BF4)(2) (1), [MnLCl2] (2) and [CdLCl2] (3) have been obtained. All ligands and complexes were characterised by IR, mass spectroscopy, thermogravimetric analysis and single-crystal X-ray diffraction. Single crystal X-ray diffraction experiment revealed that the primary supramolecular building block of 1 is a hexagonal chair shaped 0D hydrogen bonded synthon (stabilised by C-H center dot center dot center dot O hydrogen bonding and C=O center dot center dot center dot pi interactions), which further built into a 2D corrugated sheet-like architecture having a 3-c net honeycomb topology, and finally extended to a 3D hydrogen bonded network structure having a five nodal 1,3,3,3,7-c net, through C-H center dot center dot center dot F interactions. On the other hand, the two crystallographically independent molecules of 2 exhibited two distinct supramolecular structures such as 2D hydrogen bonded sheet structure and 1D zigzag hydrogen bonded chain, sustained by C-H center dot O and C-H center dot center dot center dot Cl interactions, which are further self-assembled into a 3,4-c network structure, and 3 showed a 2D hydrogen bonded sheet structure. The supramolecular structural diversity in these complexes is due to the different conformations adopted by the ligands, which are mainly induced by different metal ions with coordination environments controlled by different anions. Hirshfeld surface analysis was explored for the qualitative and quantitative analysis of the supramolecular interactions.
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Reference:
Pyrazole – Wikipedia,
,Pyrazoles – an overview | ScienceDirect Topics