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Supramolecular aggregation in alkaline earth metal amino Benzoates with 1,10-phenanthroline auxiliary

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Title Supramolecular aggregation in alkaline earth metal amino Benzoates with 1,10-phenanthroline auxiliary
 
Creator MURUGAVEL, R
KORAH, R
 
Subject 3-aminobenzoic acid subunits
ray crystal-structures
alternating l-proline
molecular-structure
hydrothermal synthesis
calcium(ii) complex
anthranilic acid
cyclic-peptides
solid-state
coordination
alkaline earth metal ions
aminobenzoates
coordination chemistry
crystal structures
supramolecular association
1,10-phenanthroline
 
Description Reactions of 2-, 3- and 4-aminobenzoic acids with alkaline earth metals in the presence of 1,10-phenanthroline (phen) have been investigated. Compounds [Ca(2-aba)(2)(phen)(2)(OH2)(2)] (1), [Ca(3-aba)(2)(phen)(OH2)(3)](phen)(H2O) (2) and [Ca(4-aba)(phen) (OH2)41(4-aba)(phen) (3) were synthesized from the corresponding metal precursors and 1,10-phenanthroline. The synthesis of [Sr(2-aba)(2)(phen)(2)(OH2)(2)] (4), [Sr(3-aba)(2)(phen)(2)(OH2)] (5), [Sr (4-aba)(phen)(OH2)(4)](4-aba)(phen) (6), [Ba(2-aba)(2)(phen)(2)(OH2)2], (7), [Ba(3-aba)2(phen)2(OH2)41 (8), and [Ba(4-aba)(phen)2(OH2)31 (4-aba)(H2O) (9) were accomplished from corresponding metal carbonates and aminobenzoic acids. The single crystal X-ray diffraction studies show that the complexes exist as discrete monomeric units held together by hydrogen bonding. The 2-aminobenzoate complexes 1, 4, and 7 are found to be isostructural where the metal ions are eight coordinated. The 4-aminobenzoate complexes 3, 6, and 9 exist as ion pairs. Carboxylate ligand prefers to bind the metal in a monodentate mode in most of these complexes. The molecules interact in the solid state via nonbonding interactions like hydrogen bonds and pi-pi stacking.
 
Publisher TAYLOR & FRANCIS INC
 
Date 2011-08-30T18:59:39Z
2011-12-26T12:59:07Z
2011-12-27T05:50:04Z
2011-08-30T18:59:39Z
2011-12-26T12:59:07Z
2011-12-27T05:50:04Z
2007
 
Type Article
 
Identifier SYNTHESIS AND REACTIVITY IN INORGANIC METAL-ORGANIC AND NANO-METAL CHEMISTRY, 37(10), 779-795
1553-3174
http://dx.doi.org/10.1080/15533170701740925
http://dspace.library.iitb.ac.in/xmlui/handle/10054/12429
http://hdl.handle.net/10054/12429
 
Language en