Results 1 to 10 of about 10,752 (169)

[(5-Bromo-1H-indol-3-yl)methyl]dimethylazanium nitrate

Acta Crystallographica Section E, 2011
In the title compound, C11H14BrN2+·NO3−, intermolecular N—H...O and N—H...N hydrogen bonds link the protonated 5-bromogramine cation and the nitrate anions.
Qing Wang, Zhong-Ye Fu, Xia Li, Liang-Min Yu   +3 more
doaj   +1 more source

Crystal structure and Hirshfeld surface analysis of ethyl (3E)-5-(4-fluorophenyl)3-{[(4-methoxyphenyl)formamido]imino}-7-methyl-2H,3H,5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate 0.25-hydrate

Acta Crystallographica Section E: Crystallographic Communications, 2022
In the title compound, C24H23FN4O4S·0.25H2O, the dihydropyrimidine ring is distinctly non-planar, with the flap C atom deviating by 0.297 (2) Å from the least-squares plane.
Shaaban K. Mohamed, Joel T. Mague, Mehmet Akkurt, Abdallah M. Alfayomy, Fatma A. F. Ragab, Mokhtar A. Abd ul-Malik   +5 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
doaj   +1 more source

Crystal structure of 1-(2,4-dimethylphenyl)urea

Acta Crystallographica Section E: Crystallographic Communications, 2015
In the title urea derivative, C9H12N2O, the dihedral angle between the benzene ring and the mean plane of the urea group, N—C(=O)—N, is 86.6 (1)°. In the crystal, the urea O atom is involved in three N—H...O hydrogen bonds. Molecules are linked via pairs
L. Jayalakshmi, C. Ramalingan, B. Sridhar, S. Selvanayagam   +3 more
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4-(4-Pyridyl)pyridinium 3-amino-5-carboxy-2,4,6-triiodobenzoate–5-amino-2,4,6-triiodoisophthalic acid (1/1)

Acta Crystallographica Section E, 2010
In the title ammonium carboxylate–carboxylic acid co-cystal, C10H9N2+·C8H3I3NO4−.C8H4I3NO4, the carboxylate anion and carboxylic acid molecule are linked by O—H...O and N—H...O hydrogen bonds to form a ...
Kou-Lin Zhang, Seik Weng Ng, Guo-Wang Diao   +2 more
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2-Amino-5-chloropyridinium hydrogen succinate

Acta Crystallographica Section E, 2010
In the title salt, C5H6ClN2+·C4H5O4−, the pyridine N atom is protonated. The pyridinium and amino groups associate via a pair of N—H...O hydrogen bonds to the carboxylate O atoms of the singly deprotonated succinate anion ...
Madhukar Hemamalini, Hoong-Kun Fun
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1,5-Bis[1-(2,4-dihydroxyphenyl)ethylidene]carbonohydrazide dimethylformamide disolvate

Acta Crystallographica Section E, 2010
In the title compound, C17H18N4O5·2C3H7NO, two solvent molecules are linked to the main molecule via N—H...O and O—H...O hydrogen bonds, forming a hydrogen-bonded trimer.
Qing-Peng He, Bo Tan, Ze-Hua Lu
doaj   +1 more source

Ethyl 3-methyl-1-oxo-4H-1,4-benzothiazine-2-carboxylate monohydrate

IUCrData, 2018
The organic molecule in the title hydrate, C12H13NO3S·H2O, is folded across the S...N vector. Chains two molecules thick extending along the a-axis direction are formed by N—H...O and O—H...O hydrogen bonds.
Yamna Baryala, Youness El Bakri, El Hassane Anouar, Abdelfettahb Zerzouf, El Mokhtar Essassi, Joel T. Mague   +5 more
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Crystal structures of the three closely related compounds: bis[(1H-tetrazol-5-yl)methyl]nitramide, triaminoguanidinium 5-({[(1H-tetrazol-5-yl)methyl](nitro)amino}methyl)tetrazol-1-ide, and diammonium bis[(tetrazol-1-id-5-yl)methyl]nitramide monohydrate

Acta Crystallographica Section E: Crystallographic Communications, 2017
In the molecule of neutral bis[(1H-tetrazol-5-yl)methyl]nitramide, (I), C4H6N10O2, there are two intramolecular N—H...O hydrogen bonds. In the crystal, N—H...N hydrogen bonds link molecules, forming a two-dimensional network parallel to (-201) and weak C—
Lauren A. Mitchell, Gregory H. Imler, Damon A. Parrish, Jeffrey R. Deschamps, Philip W. Leonard, David E. Chavez   +5 more
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2-Amino-4-methylpyridin-1-ium 2-(4-nitrophenyl)acetate

IUCrData, 2016
In the title molecular salt, C6H9N2+·C8H6NO4−, the cation is protonated at its pyridine N atom. In the crystal, the anion and cation are connected by weak N—H...O hydrogen bonds, generating an R22(8) ring motif. A pair of N—H...O hydrogen bonds and a C—H.
P. Sivakumar, C. Anzline, S. Israel, G. Chakkaravarthi   +3 more
doaj   +1 more source