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  • 1. George, Sumod
    et al.
    Goldberg, Israel
    Tel-Aviv University, Ramat-Aviv, School of Chemistry, Sackler Faculty of Exact.
    5,10,15,20-Tetra­kis(4-pyrid­yl)porphyrin tris(acetic acid) clathrate2005Inngår i: Acta Crystallographica Section E: Structure Reports Online, ISSN 1600-5368, E-ISSN 1600-5368, Vol. 61, nr 7, s. o1973-o1975Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    The crystal structure of the title compound, C40H26N83CH3COOH, has been determined at ca 110K. The compound crystallizes as an acetic acid clathrate in which three guest mol­ecules are inter­calated between layered zones of offset stacked porphyrins. Two of the pyrid­yl groups of the latter are involved in hydrogen bonds with the acetic acid.

  • 2. George, Sumod
    et al.
    Goldberg, Israel
    Tel-Aviv University, Ramat-Aviv, School of Chemistry, Sackler Faculty of Exact.
    [5,10,15,20-Tetra­kis(4-pyrid­yl)porphyrinato]zinc(II) acetic acid clathrate, and its unique polymeric honeycomb architecture2005Inngår i: Acta Crystallographica Section E: Structure Reports Online, ISSN 1600-5368, E-ISSN 1600-5368, Vol. 61, nr 8, s. m1441-m1443Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    The crystal structure of the title compound, [Zn(C40H24N8)]1.6C2H4O2 has been determined at ca 110K. The centrosymmetric metalloporphyrin compound forms a self-assembled honeycomb architecture, with open channels extending parallel to the c axis of the unit cell. The compound crystallizes as an acetic acid clathrate. The guest species, which are included in the inter­porphyrin channels, hydrogen bond to the porphyrin framework.

  • 3. George, Sumod
    et al.
    Nangia, Ashwini
    University of Hyderabad, School of Chemistry.
    N-(3-Pyridyl)­urea2001Inngår i: Acta Crystallographica Section E: Structure Reports Online, ISSN 1600-5368, E-ISSN 1600-5368, Vol. 57, nr 8, s. o719-o720Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    The crystal structure of the title compound, C6H7N3O, exhibits packing typical of amides, with N-HO hydrogen-bond dimers forming a corrugated tape and N-HN bonds connecting the tapes

  • 4. George, Sumod
    et al.
    Nangia, Ashwini
    University of Hyderabad, School of Chemistry.
    N,N'-Bis(4-bi­phenyl­yl)­urea2003Inngår i: Acta Crystallographica Section E: Structure Reports Online, ISSN 1600-5368, E-ISSN 1600-5368, Vol. 59, nr 6, s. o901-o902Artikkel i tidsskrift (Annet vitenskapelig)
    Abstract [en]

    The crystal structure of the title compound, C25H20N2O, has the N-HO α-network typical of di­aryl ureas.

  • 5.
    Lipstman, Sophia
    et al.
    Tel-Aviv University, Ramat-Aviv, School of Chemistry, Sackler Faculty of Exact.
    George, Sumod
    Goldberg, Israel
    Tel-Aviv University, Ramat-Aviv, School of Chemistry, Sackler Faculty of Exact.
    (4-Acetyl­pyridine)(tetra­phenyl­porphyrinato)zinc(II)2006Inngår i: Acta Crystallographica Section E: Structure Reports Online, ISSN 1600-5368, E-ISSN 1600-5368, Vol. 62, nr 3, s. m417-m419Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    The title compound, [Zn(C44H28N4)(C7H7NO)], is a square-pyramidal five-coordinate zinc-porphyrin complex with γ-acetyl­pyridine as the apical ligand. The inter­molecular packing involves van der Waals forces, close π-π stacking and C-Hπ contacts, revealing an inter­esting pairing of adjacent mol­ecules related by inversion.

  • 6.
    Lou, Benyong
    et al.
    Luleå tekniska universitet, Institutionen för hälsovetenskap, Medicinsk vetenskap.
    Boström, Dan
    Energy Technology and Thermal Process Chemistry, Umeå University.
    Velaga, Sitaram
    Luleå tekniska universitet, Institutionen för hälsovetenskap, Medicinsk vetenskap.
    1-ethyl-6-fluoro-1,4-dihydro-4-oxo-7-(4-formyl-1-piperazinyl)-3- quinolinecarboxylic acid2007Inngår i: Acta Crystallographica Section E: Structure Reports Online, ISSN 1600-5368, E-ISSN 1600-5368, Vol. 63, nr 11, s. 4281-Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    The formylation reaction of norfloxacin with N,N-dimethylformamide (DMF) gives the title compound, C17H18FN3O4. In the structure, molecules are connected via weak C-H...O, C-H...π and π-π interactions [perpendicular distance 3.423 Å and centroid-centroid distance 3.8141 Å].

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