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Alkaline earth metal salts of 1-naphthoic acid

Arlin, Jean-Baptiste and Kennedy, Alan (2012) Alkaline earth metal salts of 1-naphthoic acid. Acta Crystallographica Section C: Crystal Structure Communications, 68. M213-+. ISSN 0108-2701

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Abstract

The structures of the Mg, Ca, Sr and Ba salts of 1-naphthoic acid are examined and compared with analogous structures of salts of benzoate derivatives. It is shown that catena-poly[[[diaquabis(1-naphthoato-kappa O)magnesium(II)]-mu-aqua]dihydrate], {[Mg(C11H7O2)(2)(H2O)(3)]center dot 2H(2)O}(n), exists as a one-dimensional coordination polymer that propagates only through Mg-OH2-Mg interactions along the crystallographic b direction. In contrast with related benzoate salts, the naphthalene systems are large enough to prevent inorganic chain-to-chain interactions, and thus species with inorganic channels rather than layers are formed. The Ca, Sr and Ba salts all have metal centres that lie on a twofold axis (Z'=1/2) and all have the common name catena-poly[[diaquametal(II)]-bis(mu-1-naphthoato)-kappa O-3,O':O;kappa O-3:O,O '], [M(C-11-H7O2)(2)(H2O)(2)](n), where M = Ca, Sr or Ba. The Ca and Sr salts are essentially isostructural, and all three species form one-dimensional coordination polymers through a carboxylate group that forms three M-O bonds. The polymeric chains propagate via c-glide planes and through MOMO four-membered rings. Again, inorganic channel structures are formed rather than layered structures, and the three structures are similar to those found for Ca and Sr salicylates and other substituted benzoates.

Item type: Article
ID code: 41080
Keywords: naphthoic acid , salts, alkaline earth metals, Therapeutics. Pharmacology, Physical and theoretical chemistry, Biochemistry, Genetics and Molecular Biology(all)
Subjects: Medicine > Therapeutics. Pharmacology
Science > Chemistry > Physical and theoretical chemistry
Department: Faculty of Science > Strathclyde Institute of Pharmacy and Biomedical Sciences
Faculty of Science > Pure and Applied Chemistry
Related URLs:
Depositing user: Pure Administrator
Date Deposited: 11 Sep 2012 15:19
Last modified: 27 Mar 2014 10:29
URI: http://strathprints.strath.ac.uk/id/eprint/41080

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