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2501por Joothamongkhon, Jaruwan, Chantrapromma, Suchada, Kobkeatthawin, Thawanrat, Fun, Hoong-Kun“…The ethoxy substituent is almost coplanar with the attached benzene ring [C—O—C—C torsion angle = 178.57 (19)°]. In the crystal, molecules are linked into chains along the a axis by weak C—H⋯O interactions. …”
Publicado 2010
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2502“…In the crystal, intermolecular N—H⋯O, C—H⋯N and C—H⋯O hydrogen bonds link the molecules into sheets parallel to the ac plane.…”
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2503“…In the crystal structure, molecules aggregate into dimers via cyclic, asymmetric N—H⋯N interactions with graph set R (2) (2)(8), and are further augmented via intramolecular C—H⋯O=C and interdimer C—H⋯π(arene) interactions. …”
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2504“…The methoxy group is almost coplanar [C—O—C—C = 2.1 (2)°] with the attached ring whereas the allyl unit is oriented at a dihedral angle of 67.9 (1)°. …”
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2505por Fun, Hoong-Kun, Chantrapromma, Suchada, Kobkeatthawin, Thawanrat, Padaki, Mahesh, Isloor, Arun M.“…The ethoxy group is slightly twisted from the attached pyridyl ring [C—O—C—C torsion angle = 171.13 (16)°]. In the crystal structure, molecules are linked by N—H⋯N hydrogen bonds into chains along [010]. …”
Publicado 2010
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2506“…The crystal structure is stabilized by weak intermolecular C—H⋯O, C—H⋯N and C—H⋯π interactions.…”
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2507“…The two components are linked by two O–H⋯O=C hydrogen bonds. One of the hydroxy groups interacts with the pyrazolone carbonyl O atom and the other hydroxy group interacts with the amide O atom of another component, generating a chain motif. …”
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2508“…The dihedral angles between the mean plane of the prop-2-ene-1-one group and the mean planes of the 2-bromophenyl and 2,5-dimethoxyphenyl rings are 58.6 (1) and 30.7 (4)°, respectively. Weak C—H⋯O, C—H⋯Br and π–π stacking intermolecular interactions [centroid–centroid distance = 3.650 (2) Å] are present in the structure.…”
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2509“…The ethoxy group is coplanar with the attached phenyl ring [C(ar)—O—C—C = 179.72 (5)°]. An intramolecular O—H⋯O hydrogen bond generates an S(6) ring motif. …”
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2510por Carvalho, Samir A., da Silva, Edson F., Fraga, Carlos A. M., Wardell, Solange M. S. V., Wardell, James L., Tiekink, Edward R. T.“…In the crystal, the presence of N—H⋯O(w) and O—H⋯O(c) (× 2; w = water and c = carbonyl) hydrogen bonds leads to a supramolecular array in the bc plane.…”
Publicado 2010
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2511“…Layers interdigitate along the b axis being connected by C—H⋯O, C—H⋯π and π–π [centroid–centroid distance = 3.6316 (19) Å] interactions.…”
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2512“…The nitro group is slightly twisted out of the plane of the 2-furyl ring, with a dihedral angle of 5.72 (8)°. There is a short O⋯C contact of 2.8562 (8) Å (symmetry code: −x, −y, 2 − z). …”
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2513“…The V(V) atom in the title compound, [V(C(7)H(6)ClN(2)O)(C(16)H(11)ClN(2)O(3))O]·CH(3)OH, is N,O-chelated by the benzoylhydrazidate anion and O,N,O′-chelated by the (benzoylhydrazinylidene)propionate dianion. …”
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2514“…The asymmetric unit of the title compound, {[Ni(C(8)Cl(4)O(4))(C(5)H(5)N)(3)(H(2)O)]·C(5)H(5)N}(n), contains two independent nickel(II) cations displaying a distorted octahedral coordination geometry provided by the N atoms of three pyridine molecules, the O atom of a water molecule, and O atoms of two monodentate μ(2)-bridging tetrachloroterephthalate dianions. …”
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2515por Ee, Gwendoline Cheng Lian, Sim, Wei Chung, Kwong, Huey Chong, Mohamed Tahir, Mohamed Ibrahim, Silong, Sidik“…The crystal structure is stabilized by intermolecular O—H⋯O, C—H⋯O and C—H⋯π interactions.…”
Publicado 2010
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2516“…The dihedral angle between the two groups is 6.65 (1)°. Intramolecular N—H⋯O, C—H⋯O and O—H⋯O hydrogen bonds form S(5), S(6) and S(7) ring motifs. …”
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2517“…In the structure of the title compound, [RuCl(2)(C(16)H(14)N(2)O)(C(18)H(15)P)]·CH(3)OH, he Ru(II) ion shows a slightly distorted octahedral coordination by two N atoms and one O atom from the 2-methyl-8-(pyridin-2-ylmethoxy)quinoline acting as an N,O,N′-tridentate ligand, two Cl atoms, and one P atom from a PPh(3) ligand. …”
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2518“…The three methoxy groups of 2,4,5-trimethoxyphenyl are essentially coplanar with the benzene plane, with C—O—C—C torsion angles of 1.0 (3), −1.9 (3) and 3.6 (3)°. …”
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2519por Sarveswari, S., Vijayakumar, V., Prasath, R., Narasimhamurthy, T., Tiekink, Edward R. T.“…In the crystal, molecules related by the 2(1) symmetry operation are linked along the b axis via water molecules that form O—H⋯O(c) and O—H⋯N(q) hydrogen bonds (c = carbonyl and q = quinoline). …”
Publicado 2010
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2520“…The title compound, Eu(5)Cd(2)Sb(5)O adopts the Ba(5)Cd(2)Sb(5)F-type structure (Pearson symbol oC52), which contains nine crystallographically unique sites in the asymmetric unit, all on special positions. …”
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