Results 11 to 20 of about 310,106 (219)

2-Phenyl-N′-(2-phenylacetyl)acetohydrazide

Acta Crystallographica Section E, 2012
In the title compound, C16H16N2O2, the N′-acetylacetohydrazide group is approximately planar (r.m.s. deviation = 0.018 Å for the eight non-H atoms) and makes dihedral angles of 81.92 (6) and 65.19 (6)&#
Hatem A. Abdel-Aziz, Ching Kheng Quah, Hoong-Kun Fun   +2 more
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Crystal structure of (S)-2-amino-2-methylsuccinic acid

Acta Crystallographica Section E: Crystallographic Communications, 2015
The title compound, C5H9NO4, crystallized as a zwitterion. There is an intramolecular N—H...O hydrogen bond involving the trans-succinic acid and the ammonium group, forming an S(6) ring motif.
Isao Fujii
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2-[4,5-Diphenyl-2-(pyridin-4-yl)-1H-imidazol-1-yl]ethanol

IUCrData, 2017
The basic building blocks of the three-dimensional structure of the title compound, C22H19N3O, are helical chains running along the [101] direction and formed by O—H...N hydrogen bonds. C—H...O hydrogen bonds between chains generate sheets which are then
Joel T. Mague, Shaaban K. Mohamed, Mehmet Akkurt, Adel A. Marzouk, Mustafa R. Albayati   +4 more
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Crystal structure of ethyl 2-({[(4Z)-3,5-dioxo-1-phenylpyrazolidin-4-ylidene]methyl}amino)acetate

Acta Crystallographica Section E, 2014
The title compound, C14H15N3O4, is nearly planar, the dihedral angle between the planes of the phenyl and pyrazolidine rings being 1.13 (7) Å, and that between the plane of the pyrazolidine ring and the mean plane of the side chain [C—N—C–C(=O)—O; r.m.s.
Shaaban K. Mohamed, Mehmet Akkurt, Joel T. Mague, Eman A. Ahmed, Mustafa R. Albayati   +4 more
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6-Nitro-1,10-phenanthrolin-5-amine

IUCrData, 2019
In the title compound, C12H8N4O2, the dihedral angle between the phenanthroline ring system and the nitro group is 23.75 (14)°. The molecule features intramolecular N—H...O and C—H...O hydrogen bonds.
U. Oosthuizen, M. Schutte-Smith, Hendrik G. Visser   +2 more
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Crystal structures of 2-[(4,6-diaminopyrimidin-2-yl)sulfanyl]-N-(naphthalen-1-yl)acetamide and 2-[(4,6-diaminopyrimidin-2-yl)sulfanyl]-N-(4-fluorophenyl)acetamide

Acta Crystallographica Section E: Crystallographic Communications, 2017
The title compounds, C16H15N5OS, (I), and C12H12FN5OS, (II), are [(diaminopyrimidine)sulfanyl]acetamide derivatives. In (I), the pyrimidine ring is inclined to the naphthalene ring system by 55.5 (1)°, while in (II), the pyrimidine ring is inclined to ...
S. Subasri, Timiri Ajay Kumar, Barij Nayan Sinha, Venkatesan Jayaprakash, Vijayan Viswanathan, Devadasan Velmurugan   +5 more
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8-[(1E)-1-(2-Aminophenyliminio)ethyl]-2-oxo-2H-chromen-7-olate

Acta Crystallographica Section E, 2010
The title Schiff base, C17H14N2O3, exists as an NH tautomer with the H atom of the phenol group transferred to the imine N atom. The iminium H atom is involved in a strong intramolecular N+—H...O− hydrogen bond to the phenolate O atom,
E. S. Aazam, A. F. El Husseiny, H. M. Al-Amri, Orhan Büyükgüngör   +3 more
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Crystal structure of 4-(3,4-dicyanophenoxy)-N-[3-(dimethylamino)propyl]benzamide monohydrate: a phenoxyphthalonitrile derivative

Acta Crystallographica Section E: Crystallographic Communications, 2015
In the title compound, C20H20N4O2·H2O, the planes of the phenoxy and phthalonitrile rings are oriented at a dihedral angle of 60.39 (5)°. The 3-(dimethylamino)propyl chain has an extended conformation and is cis with respect to the phthalonitrile ring ...
Senem Çolak, Salih Zeki Yıldız, Nagihan Çaylak Delibaş, Hasan Pişkin, Tuncer Hökelek   +4 more
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Crystal structure and Hirshfeld surface analyses, intermolecular interaction energies and energy frameworks of methyl 6-amino-5-cyano-2-(2-methoxy-2-oxoethyl)-4-(4-nitrophenyl)-4H-pyran-3-carboxylate

Acta Crystallographica Section E: Crystallographic Communications
The title compound, C17H15N3O7, contains pyran and phenyl rings, with the pyran ring exhibiting a flattened-boat conformation. In the crystal, intermolecular N—H...N hydrogen bonds link the molecules into centrosymmetric dimers, forming R22(12) ring ...
Farid N. Naghiyev, Tuncer Hökelek, Victor N. Khrustalev, Huseyn M. Mamedov, Alebel N. Belay, Jamshid Ashurov, Ibrahim G. Mamedov   +6 more
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Ethyl 2-(2,5-dioxo-4,4-diphenylimidazolidin-1-yl)acetate

IUCrData, 2017
The five-membered ring of the title compound, C19H18N2O4, adopts an envelope conformation. In the crystal, pairwise N—H...O hydrogen bonds form centrosymmetric dimers which are connected into chains parallel to the c-axis direction by pairwise C—H...O ...
Youssef Ramli, Rachida Akrad, Walid Guerrab, Jamal Taoufik, Mhamed Ansar, Joel T. Mague   +5 more
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