Abstract
A new polymeric zinc(II) complex, [ZnL 2 (PDA)] n , has been prepared by the reaction of zinc sulfate, 4-nitrophenylacetic acid, and propane-1,3-diamine (PDA) in water. Structure of the complex has been characterized by single-crystal X-ray diffraction. The complex crystallizes as orthorhombic space group Pnma , with unit cell dimensions a = 15.732(1) A, b = 23.912(1) A, c = 5.5565(3) A, V = 2090.2(2) A 3 , Z = 4, R 1 = 0.0427, wR 2 = 0.0968, S = 1.048. The Zn atom is coordinated in a tetrahedral geometry. Single crystals of the complex are stabilized by hydrogen bonds and p···p interactions. KEY WORDS : 4-Nitrophenylacetic acid, Zinc complex, Crystal structure, Hydrogen bonding Bull. Chem. Soc. Ethiop. 2014 , 28(2), 315-319. DOI: http://dx.doi.org/10.4314/bcse.v28i2.17
Highlights
Carboxylic acids are a kind of interesting ligands for the preparation of metal-organic frameworks (MOFs) [1,2,3,4]
Zinc complexes with carboxylate ligands have been widely reported for their versatile structures and applications [7,8,9,10]. 4-Nitrophenylacetic acid is structurally similar to carboxylic acids
No zinc complexes derived from 4-nitrophenylacetic acid have been reported so far
Summary
Carboxylic acids are a kind of interesting ligands for the preparation of metal-organic frameworks (MOFs) [1,2,3,4]. Zinc complexes with carboxylate ligands have been widely reported for their versatile structures and applications [7,8,9,10]. 4-Nitrophenylacetic acid is structurally similar to carboxylic acids. No zinc complexes derived from 4-nitrophenylacetic acid have been reported so far. A new polymeric zinc(II) complex, [ZnL2(PDA)]n, where L is 4nitrophenylate, PDA is propane-1,3-diamine, is reported. Available 4-nitrophenylacetic acid, and propane1,3-diamine were purchased from Aldrich and used without further purification. An aqueous solution (10 mL) of ZnSO4 (0.1 mmol, 28.8 mg) was added to an aqueous solution (10 mL) of 4-nitrophenylacetic acid (0.2 mmol, 36.2 mg) and propane-1,3-diamine (0.2 mmol, 14.8 mg) with stirring. Diffraction intensities for the complex were collected at 298(2) K using a Bruker D8 VENTURE PHOTON diffractometer with MoKα radiation (λ = 0.71073 Å).
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