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Updated: Jun 24, 2025

Synthesis of a Water-soluble Metal–Organic Complex Array
Published on: October 8, 2016
Chlorido-(2-{(2-hy-droxy-eth-yl)[tris-(hy-droxy-meth-yl)meth-yl]amino}-ethano-lato-κ5 N,O,O',O'',O''')copper(II)
Monserrat Fortis-Valera1, Rosa Elena Arroyo-Carmona1, Aarón Pérez-Benítez1
1Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, Ciudad Universitaria, 72570 Puebla, Pue., Mexico.
Abstract:
The title complex, [Cu(C8H18NO5)Cl] or [Cu(H4bis-tris-)Cl], was obtained starting from the previously reported [Cu(H5bis-tris-)Cl]Cl compound. The deprotonation of the amino-polyol ligand H5bis-tris {[bis-(2-hy-droxy-eth-yl)amino]-tris-(hy-droxy-meth-yl)methane, C8H19NO5} promotes the formation of a very strong O-H⋯O inter-molecular hydrogen bond, characterized by an H⋯O separation of 1.553 (19) Å and an O-H⋯O angle of 178 (4)°. The remaining hy-droxy groups are also engaged in hydrogen bonds, forming R 2 2(8), R 4 4(16), R 4 4(20) and R 4 4(22) ring motifs, which stabilize the triperiodic supra-molecular network.
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Isomers are different chemical species that have the same chemical formula. Structural isomerism of coordination compounds can be divided into two subcategories, the linkage isomers and coordination-sphere isomers.
Linkage isomers occur when the coordination compound contains a ligand that can bind to the transition metal center through two different atoms. For example, the CN− ligand can bind through the carbon atom or through the nitrogen atom. Similarly, SCN− can...