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Volumn 7, Issue 12, 2007, Pages 2376-2379

Bimetallic clusters of pyridine-appended ethylenediaminetetraacetic acid (EDTA)-amides in designing ID and 2D coordination frameworks

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Indexed keywords


EID: 37549003941     PISSN: 15287483     EISSN: None     Source Type: Journal    
DOI: 10.1021/cg070289x     Document Type: Article
Times cited : (15)

References (38)
  • 18
    • 33748269857 scopus 로고    scopus 로고
    • Some recent references on coordination networks with the ligand containing multiple amidopyrdine units: (a) Sarkar, M, Biradha, K. Cryst. Growth Des. 2006, 6, 1742
    • Some recent references on coordination networks with the ligand containing multiple amidopyrdine units: (a) Sarkar, M.; Biradha, K. Cryst. Growth Des. 2006, 6, 1742.
  • 31
    • 37548998767 scopus 로고    scopus 로고
    • Several derivatives of 1 (R = 4-pyridyl and substututed phenyl) were prepared in our laboratory. Their crystal structures, cocrystals, coordination polymers, and other properties are under study.
    • Several derivatives of 1 (R = 4-pyridyl and substututed phenyl) were prepared in our laboratory. Their crystal structures, cocrystals, coordination polymers, and other properties are under study.
  • 32
    • 37549062381 scopus 로고    scopus 로고
    • II were obtained. Slow evaporation of these solutions at room temperature resulted in crystals suitable for single-crystal X-ray diffraction. Further, the usage of excess metal salt (M/L = 6:1) in the reaction also resulted in similar crystals, implying that the complex formation/composition has no dependency on the metal/ligand ratios present in the reaction.
    • II were obtained. Slow evaporation of these solutions at room temperature resulted in crystals suitable for single-crystal X-ray diffraction. Further, the usage of excess metal salt (M/L = 6:1) in the reaction also resulted in similar crystals, implying that the complex formation/composition has no dependency on the metal/ligand ratios present in the reaction.
  • 33
    • 37549069093 scopus 로고    scopus 로고
    • The X-ray diffraction data were collected on a Bruker SMART Apex diffractometer with CCD detectors, and structures were solved using SHELXTL software. Crystal data 2: triclinic, P1, a= 13.453(3) Å, b, 14.200(3) Å, c, 14.372(3) Å, α, 102.34(3)°, β, 91.96(3)°, γ, 116.04(3)°, V, 2118.9(15) Å3, Z, 1, Dc, 1.426 g cm-3, 4720 reflections of 7074 unique reflections with I > 2σ(I, 1.76° < θ < 28.35°, final R factors R1, 0.0515, wR2, 0.1625. Elemental analysis: C, 39.68, H, 5.40, N, 15.34, caled: C, 39.60, H, 5.50, N, 15.40, yield: 70, Crystal data 3: triclinic, P1, a, 13.269(3) Å, b, 13.674(3) Å, c= 14.545(3) Aring;, a, 92.93(1)°, β= 108.24(1)°, γ, 118.68(1)°, V, 2133.9(15) Å3, Z= 1, Dc, 1.956 g cm-3, 4643 reflections of 10 442 unique reflections with I > 2σI, 1
    • 2 = 0.2127. The peaks corresponding to half PFD ion and water molecules exhibited high thermal motions and disorder. Therefore, the Platon squeeze optionwas applied for the final refinement. Elemental analysis: C, 29.75%; H, 3.65%; N, 12.09%; caled: C, 30.07%; H, 4.59%; N, 11.69%, yield: 91%.
  • 35
    • 37549046197 scopus 로고    scopus 로고
    • 2 = 0.2470. In structures 4-6, the peaks corresponding to anions and free water molecules exhibited high thermal motions and heavy disorder. Therefore, the Platon squeeze option was applied to refine the final structures. Elemental analysis: C, 32.37%; H, 5.16%; N, 16.26%; caled: C, 33.13%; H, 5.15%; N, 16.75%, yield: 82%.
    • 2 = 0.2470. In structures 4-6, the peaks corresponding to anions and free water molecules exhibited high thermal motions and heavy disorder. Therefore, the Platon squeeze option was applied to refine the final structures. Elemental analysis: C, 32.37%; H, 5.16%; N, 16.26%; caled: C, 33.13%; H, 5.15%; N, 16.75%, yield: 82%.
  • 37
    • 37549057144 scopus 로고    scopus 로고
    • Crystal data 5: monoclinic, C2/c, a, 27.096(3) Å, b, 12.639(1) Å, c, 26.681(2) Å, β= 92.178(2)°, V, 9131.2(15) Å3, Z, 4, Dc, 1.543 g cm-3, 5346 reflections of 7779 unique reflections with I > 2σ(I, 1.50° < θ < 25.00°, final R factors R1, 0.0354, wR2, 0.1417. Elemental analysis: C, 34.72, H, 4.24, N, 17.21, caled: C, 34.61, H, 5.00, N, 17.50, yield: 86, Crystal data 6: monolinic, P2/n, a, 12.733(3) A, b, 12.197(1) Å, c, 32.286(7) Å, β= 96.62(2)°, V, 4980.4(17) Å3, Z, 2, Dc, 1.565 g cm-3, 3874 reflections of 8766 unique reflections with I > 2σI, 1.27° < θ < 25.00°, final R factors R1, 0.0874, wR2, 0.1976. Elemental analysis: C, 30.28, H, 4.32, N, 11.53, caled: C, 30.70, H, 4.43, N, 11.94, yield: 84
    • 2 = 0.1976. Elemental analysis: C, 30.28%, H, 4.32%, N, 11.53%; caled: C, 30.70%; H, 4.43%; N, 11.94%, yield: 84%.
  • 38
    • 37549034057 scopus 로고    scopus 로고
    • The distances between metal atoms of the two sides of a rectangle were considered as dimensions of SBU
    • The distances between metal atoms of the two sides of a rectangle were considered as dimensions of SBU.


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