Construction of Two- and Three-Dimensional Coordination Polymers from Cobalt Trimesate

• Published in: Chemistry of materials Vol. 13; no. 11; pp. 4387 - 4392
• Main Authors: Livage, Carine, Guillou, Nathalie, Marrot, Jérôme, Férey, Gérard
• Format: Journal Article
• Language: English
• Published: Washington, DC American Chemical Society 19.11.2001
• Subjects: Applied sciences; Exact sciences and technology; Inorganic and organomineral polymers; Physicochemistry of polymers; Preparation; Carboxylate polymer; Hydrothermal synthesis; Polychelate; Organometallic polymer; Preparation; Polynuclear complex; Three dimensional polymer; Cobalt complex; Experimental study; Lattice parameters; Crystalline structure
• ISSN: 0897-4756; 1520-5002
• DOI: 10.1021/cm011115k

Two new cobalt 1,3,5-benzenetricarboxylate (trimesic acid, TMA) coordination polymers were synthesized and structurally characterized:  [Co3(H2O)6(TMA3-)(TMA2-)(TMA1-)]·2H2O (1 ) and K[Co3(TMA3-)(TMA2-)2]·5H2O (2). 1 crystallizes in the hexagonal system, space group P6522 (no. 179), with a = 16.7265(2), c = 20.5822(4) Å, V = 4986.9(2) Å3, and D c = 1.889 g cm-3. 2 is monoclinic, space group P2/c (no. 13), with a = 9.6096(1), b = 12.5610(1), c = 13.9736(2) Å, β = 109.239(1)°, V = 1592.50(3) Å3, and D c = 1.938 g cm-3. 1 is two-dimensional and formed by a “dense” stacking of {Co3(H2O)6(TMA3-)(TMA2-)(TMA1-)} layers. In compound 2 the connection of sinusoidal chains of cobalt octahedra by two types of trimesate ions gives a three-dimensional network with pentahydrated channels.