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  1. 2021
    por Sun, Yu, Zhang, Huai-Hong
    Publicado 2009
    “…In the risperidone cation of the title compound, C(23)H(28)FN(4)O(2) (+)·NO(3) (−), the piperidine ring adopts a chair conformation and the tetra­hydro­pyridine ring is disordered over two orientations in a 0.620 (11):0.380 (11) ratio. N—H⋯O, C—H⋯O and C—H⋯F hydrogen bonds are present in the crystal structure.…”
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    4-(6-Fluoro-1,2-benzisoxazol-3-yl)-1-[2-(2-methyl-4-oxo-6,7,8,9-tetra­hydro-4H-pyrido[1,2-a]pyrimidin-3-yl)eth­yl]piperidinium nitrate
  2. 2022
    por Zhang, Wei, Chen, Yuan-Tao
    Publicado 2009
    “…In the crystal structure, the molecules are linked into a three-dimensional network via C—H⋯O, C—H⋯N, N—H⋯O, N—H⋯S and O—H⋯O hydrogen bonds.…”
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    Bis(thio­semicarbazide)nickel(II) bis­[2-(thio­semicarbazonometh­yl)benzene­sulfonate] dihydrate
  3. 2023
    “…Mol­ecules are sustained in the three-dimensional structure by a combination of C—H⋯O, C—H⋯π and π–π [shortest centroid–centroid distance = 3.672 (6) Å] inter­actions.…”
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    4-Methyl-3-(2-phenoxy­acet­yl)-5-phenyl-1,3,4-oxadiazinan-2-one
  4. 2024
    “…In the crystal structure of the title proton-transfer compound, CH(6)N(3)O(+)·C(7)H(4)NO(4) (−), O—H⋯O and N—H⋯O hydrogen bonds are formed respectively between the cations and the anions, each component affording a supra­molecular chain along the c axis. …”
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    2-(Aminocarbonyl)hydrazin-1-ium 6-carboxy­picolinate
  5. 2025
    por Lu, Zhi-Ke, Feng, Yan, Li, Shen, Diao, Hai-Lin
    Publicado 2009
    “…The asymmetric unit of the title compound, C(19)H(12)Cl(2)O, contains four independent mol­ecules, which can be divided into two pairs of mol­ecules with close values of the C—C(=O)—C=C torsion angles in each pair, viz. 165.12 (16) and 165.68 (15)° in one pair, and −164.66 (15) and −164.81 (15)° in the other pair. …”
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    3-(3,4-Dichloro­phen­yl)-1-(2-naphth­yl)prop-2-en-1-one
  6. 2026
    “…An intra­molecular N—H⋯O=C hydrogen bond is observed. In the crystal, mol­ecules are connected into layers parallel to (10[Image: see text]) by a classical inter­molecular hydrogen bond from the second NH group to a nitro O atom and by three weak hydrogen bonds of the C—H⋯X type (X = O or S(thione)).…”
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    1-(Benzothia­zol-2-yl)-3-(4-nitro­benzo­yl)thio­urea
  7. 2027
    por Klis, Tomasz, Serwatowski, Janusz
    Publicado 2009
    “…The planes of the two benzene rings in the mol­ecule of the title compound, C(13)H(11)BF(2)O(3), form a dihedral angle of 76.06 (3)°; the C—O—C—C torsion angle characterizing the conformation of the central link of the mol­ecule is −79.20 (1)°. …”
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    {2-[(2,6-Difluoro­phen­oxy)meth­yl]phen­yl}boronic acid
  8. 2028
    “…The meth­oxy group is slightly twisted away from the attached ring [C—O—C—C = 7.5 (2)°]. In the crystal structure, mol­ecules are linked into a three-dimensional network by inter­molecular N—H⋯N and C—H⋯O hydrogen bonds. …”
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    (E)-N′-(3-Benz­yloxy-4-methoxy­benzyl­idene)isonicotinohydrazide
  9. 2029
    “…The meth­oxy groups are coplanar with the benzene ring to which they are attached [C—C—O—C = 1.0 (6)°]. The two furan rings are inclined at 17.3 (3)° with respect to each other and the dihedral angle between the furan ring and the benzene ring is 75.83 (12)°. …”
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    Bis[5-(4-methoxy­benz­yl)furan-3-yl]methanone
  10. 2030
    “…The packing is stabilized by N—H⋯O, C—H⋯O and C—H⋯N inter­actions.…”
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    6,6′-Diamino-1,1′,3,3′-tetra­methyl-5,5′-(4-chloro­benzyl­idene)bis­[pyrimidine-2,4(1H,3H)-dione]
  11. 2031
    “…In addition, there is a carbon­yl–carbonyl dipolar inter­action with an O⋯C contact of 2.926 (3) Å.…”
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    N-(2,6-Dimethyl­phen­yl)maleamic acid
  12. 2032
    “…The indole plane is significantly less twisted from the plane of the central C—C(=O)—C bridge than the benzene plane [dihedral angles = 15.51 (3) and 40.13 (7)°, respectively]. …”
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    (4-Bromo­phen­yl)(1H-indol-7-yl)methanone
  13. 2033
    “…In the crystal of the title compound, C(6)H(7)N(2)O(+)·C(2)HF(2)O(2) (−), the cation adopts a catemeric N—H⋯O hydrogen-bonded chain motif involving the carboxamide group, with two further N—H⋯O hydrogen bonds connecting the cations to adjacent difluoro­acetate anions via the carboxamide and pyridinium N atoms. …”
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    3-Amino­carbonyl­pyridinium difluoro­acetate at 123 K
  14. 2034
    “…Three intra­molecular C—H⋯O, C—H⋯N and N—H⋯O hydrogen-bond inter­actions are present. …”
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    (4Z)-4-[(4-Methoxy­benzyl­amino)(phen­yl)methyl­ene]-3-methyl-1-phenyl-1H-pyrazol-5(4H)-one
  15. 2035
    “…The title compound, [Al(CH(3))(2)(C(25)H(21)N(2)O)(C(4)H(8)O)], was isolated as a minor component from a reaction mixture of the parent indolyl ligand and trimethyl­aluminum in tetra­hydro­furan. …”
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    {2-[Bis(3-methyl-1H-indol-2-yl)meth­yl]phenolato-κO}dimeth­yl(tetra­hydro­furan-κO)aluminium(III)
  16. 2036
    “…In the title salt, C(11)H(14)N(3)O(+)·C(7)H(5)O(3) (−), the phenyl ring of the cation is oriented at an angle of 67.0 (1)° with respect to the five-membered pyrazolone ring. …”
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    1,5-Dimethyl-3-oxo-2-phenyl-2,3-di­hy­dro-1H-pyrazol-4-aminium 2-hydroxy­benzoate
  17. 2037
    “…The mol­ecules shows no non-crystallographic symmetry. The O—C—C—O torsion angles of both mol­ecules present in the asymmetric unit [−66.4 (2) and −66.9 (2)°] are similar to those in trans-configured cyclo­hexane derivatives (including pyran­oses) as well as rac-trans-cyclo­heptane-1,2-diol, but smaller than those in trans-configured cyclo­pentane derivatives (including furan­oses). …”
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    cis-Cyclo­heptane-1,2-diol
  18. 2038
    “…Inter­molecular N—H⋯S, N—H⋯O, C—H⋯O and C—H⋯S hydrogen bonds are found in the crystal structure.…”
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    5-Acetyl-4-(4-methoxy­phen­yl)-6-methyl-3,4-dihydro­pyrimidine-2(1H)-thione
  19. 2039
    “…The two meth­oxy groups are approximately coplanar with the attached benzene ring [C—O—C—C = −2.7 (4) and 9.4 (4)°]. The dihedral angle between the two aromatic rings is 67.16 (12)°. …”
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    N-(2,5-Dimethoxy­phen­yl)-4-nitro­benzene­sulfonamide
  20. 2040
    por Liu, Joe, Clegg, Jack K., Codd, Rachel
    Publicado 2009
    “…The title compound, C(15)H(19)NO(4), contains one crystallographically independent mol­ecule in the asymmetric unit. The N—O—C—O torsion angle is 1.97 (9)°. The two pairs of vicinal H atoms that lie above or below the plane defined by the five-membered pyrrolidine-2,5-dione ring are an average of 6.57 (5)° from being eclipsed. …”
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    2,5-Dioxopyrrolidin-1-yl adamantane-1-carboxyl­ate
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