TWO NOVEL METAL ORGANIC FRAMEWORKS OF SN( II) AND PB (II) WITH PYRIDINE-2,6-DICARBOXYLIC ACID AND 4,4'-BIPYRIDINE: SYNTHESES, CRYSTAL STRUCTURES AND SOLUTION STUDIES

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SOLEYMANNEZHAD J.; AGHABOZORG H.; HOUSHMAND S.; GHANBARI M.; MANTEGHI F.; SHAMSIPOUR M.

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Journal: JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS) Year:2010 | Volume:7 | Issue:2 Page(s): 405-418

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Title

TWO NOVEL METAL ORGANIC FRAMEWORKS OF SN( II) AND PB (II) WITH PYRIDINE-2,6-DICARBOXYLIC ACID AND 4,4'-BIPYRIDINE: SYNTHESES, CRYSTAL STRUCTURES AND SOLUTION STUDIES

Author(s)

Keywords

PYRIDINE-2

6-DICARBOXYLIC ACID

4'-BIPYRIDINE

SN (II) AND PB (II) COMPLEXES

CRYSTAL STRUCTURES

SOLUTION STUDIES

Abstract

Two novel compounds with formulae [Sn2(pydcH)2(H2O)2O]n, 1, and (4,4’-bpyH2)0.5[Pb(pydc)2(4,4’-bpyH)].4,4’-bpy.4H2O, 2, were obtained from a one-pot reaction between PYRIDINE-2,6-DICARBOXYLIC ACID (pydcH2) and 4,4’-bipyridine (4,4’-bpy) with corresponding Sn (II) and Pb (II) salts. In compound 1 with a polymeric structure, each Sn (II) atom is six-coordinated by one water molecule, two (pydcH)- groups and one oxide group resulted in a coordination polymer. Compound 2 has a seven-coordinated environment around Pb (II) atom by two (pydc)2- groups and one (4,4’-bpyH). The anionic complex is balanced by half a (4,4’-bpyH2)2+ as counter ion. There are four uncoordinated water molecules and one 4,4’-bpy in the crystal lattice. Therefore, in compound 2, we have neutral, mono- and biprotonated forms of 4,4’-bipyridine, simultaneously. Several interactions including O-H…O, O-H…N and C-H…O hydrogen bonds, ion pairing, C-O…π (O…Cg 3.324 (3) Å and 3.381(3) Å in 1 and O…Cg 3.346(4) Å in 2), C-H∙∙∙π (C…Cg 3.618 (4) Å in 2), and π…π stackings (with Cg…Cg distances of 3.613 (2) and 3.641 (2) Å in 2) are present to expand and stabilize the structure. The complexation reactions of bpy and pydc-bpy with Sn2+ and Pb2+ ions in aqueous solution were investigated by potentiometric pH titrations, and the resulting equilibrium constants and species distributions at various pHs for major formed complexes are described.

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APA: Copy

SOLEYMANNEZHAD, J., AGHABOZORG, H., HOUSHMAND, S., GHANBARI, M., MANTEGHI, F., & SHAMSIPOUR, M.. (2010). TWO NOVEL METAL ORGANIC FRAMEWORKS OF SN( II) AND PB (II) WITH PYRIDINE-2,6-DICARBOXYLIC ACID AND 4,4'-BIPYRIDINE: SYNTHESES, CRYSTAL STRUCTURES AND SOLUTION STUDIES. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS), 7(2), 405-418. SID. https://sid.ir/paper/282397/en

Vancouver: Copy

SOLEYMANNEZHAD J., AGHABOZORG H., HOUSHMAND S., GHANBARI M., MANTEGHI F., SHAMSIPOUR M.. TWO NOVEL METAL ORGANIC FRAMEWORKS OF SN( II) AND PB (II) WITH PYRIDINE-2,6-DICARBOXYLIC ACID AND 4,4'-BIPYRIDINE: SYNTHESES, CRYSTAL STRUCTURES AND SOLUTION STUDIES. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS)[Internet]. 2010;7(2):405-418. Available from: https://sid.ir/paper/282397/en

IEEE: Copy

J. SOLEYMANNEZHAD, H. AGHABOZORG, S. HOUSHMAND, M. GHANBARI, F. MANTEGHI, and M. SHAMSIPOUR, “TWO NOVEL METAL ORGANIC FRAMEWORKS OF SN( II) AND PB (II) WITH PYRIDINE-2,6-DICARBOXYLIC ACID AND 4,4'-BIPYRIDINE: SYNTHESES, CRYSTAL STRUCTURES AND SOLUTION STUDIES,” JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS), vol. 7, no. 2, pp. 405–418, 2010, [Online]. Available: https://sid.ir/paper/282397/en

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