Results 11 to 20 of about 5,798 (170)

Crystal structure and Hirshfeld surface analysis of ketorolac tromethamine. [PDF]

Acta Crystallogr E Crystallogr Commun
Ketorolac tromethamine or 1,3-dihydroxy-2-(hydroxymethyl)propan-2-aminium 5-benzoyl-2,3-dihydro-1H-pyrrolizine-1-carboxylate, C15H12NO3 +·C4H12NO3 −, was studied by single-crystal and powder X-ray diffraction methods. One cation and one anion are present in the asymmetric unit.
Shaposhnyk AM, Rudiuk VV, Baumer VN.
europepmc   +4 more sources

Crystal structure and Hirshfeld surface analysis of 1,3-diethynyladamantane [PDF]

Acta Crystallographica Section E Crystallographic Communications, 2020
The title compound, C14H16, exhibits exceptionally weak intermolecular C—H...π hydrogen bonding of the ethynyl groups, with the corresponding H...π separations [2.91 (2) and 3.12 (2) Å] exceeding normal vdW distances. This bonding complements distal contacts of the CH (aliphatic)...π type [H...π = 3.12 (2)–3.14 (2) Å] to sustain supramolecular layers ...
Kostiantyn V. Domasevitch, Anna S. Degtyarenko   +1 more
openaire   +3 more sources

Crystal structure and Hirshfeld surface analysis of the fungicide metconazole. [PDF]

Acta Crystallogr E Crystallogr Commun
Metconazole is a systemic triazole fungicide that inhibits the ergosterol biosynthesis pathway. It is widely used in agriculture to control fungal infections, including rusts, fusarium and septoria diseases. The molecular structure is a three-ring system, namely, 5-(4-chlorobenzyl)-2,2-dimethyl-1-(1H-1,2,4-triazol-1-ylmethyl)cyclopentan-1-ol ...
Mohan Kumar TM, Sowbhagya C, Yathirajan HS, Parkin S.   +3 more
europepmc   +4 more sources

Crystal structure and Hirshfeld-surface analysis of the pesticide etoxazole. [PDF]

Acta Crystallogr E Crystallogr Commun
Etoxazole (C21H23F2NO2), systematic name 4-(4-tert-butyl-2-ethoxyphenyl)-2-(2,6-difluorophenyl)-4,5-dihydro-1,3-oxazole, is a fluorinated insecticide and acaricide that inhibits chitin biosynthesis, disrupting insect development by preventing proper exoskeleton formation.
Sowbhagya C, Mohan Kumar TM, Yathirajan HS, Parkin S.   +3 more
europepmc   +4 more sources

Crystal structure and Hirshfeld surface analysis of 4-bromoanilinium nitrate [PDF]

Acta Crystallographica Section E Crystallographic Communications, 2020
The title compound C4H7BrN+·NO3 − crystallizes in the monoclinic crystal system with space group P21/c. In the crystal, π-π stacking interactions and strong N—H...O and C—H...O hydrogen bonds link the cations and anions into layers parallel to the bc plane. The O...H/H...O interactions between the cation and anion are the major factor
Radhakrishnan Anbarasan, Palaniyasan Eniya, Jeyaperumal Kalyana Sundar, Menberu Mengesha Woldemariam   +3 more
openaire   +3 more sources

Crystal structure and Hirshfeld surface analysis of a pyrrolo-thiazine complex [PDF]

Acta Crystallographica Section E Crystallographic Communications, 2021
In the title compound, diethyl 2,2-dioxo-4-(thiophen-2-yl)-1-[(thiophen-2-yl)methyl]-3,4,6,7,8,8a-hexahydro-1H-pyrrolo[2,1-c][1,4]thiazine-1,3-dicarboxylate, C22H28NO6S3, the pyrrolo ring is in an envelope conformation while the thiazine ring adopts a near chair conformation.
R. Sribala, N. Srinivasan, P. Rajalaksmi, S. Indumathi, R.V. Krishnakumar   +4 more
openaire   +3 more sources

m-Xylylenediaminium sulfate: crystal structure and Hirshfeld surface analysis [PDF]

Acta Crystallographica Section E Crystallographic Communications, 2016
The crystal structure of the title salt {systematic name: [1,3-phenylenebis(methylene)]bis(azanium) sulfate}, C8H14N22+·SO42−, consists of infinite (100) sheets of alternating organic and inorganic entities Them-xylylenediaminium cations are linked to the sulfate anions by N—H...O and asymmetric bifurcated N—H...(O,O) hydrogen bonds, generating a three-
Afef Guesmi, Sofian Gatfaoui, Thierry Roisnel, Houda Marouani   +3 more
openaire   +3 more sources

Hirshfeld Surface Analysis and Density Functional Theory Calculations of 2-Benzyloxy-1,2,4-triazolo[1,5-a] quinazolin-5(4H)-one: A Comprehensive Study on Crystal Structure, Intermolecular Interactions, and Electronic Properties

Crystals, 2023
This study employs a comprehensive computational analysis of the 2-benzyloxy-1,2,4-triazolo[1,5-a] quinazolin-5(4H)-one (ID code: CCDC 834498) to explore its intermolecular interactions, surface characteristics, and crystal structure.
Ahmed H. Bakheit, Hatem A. Abuelizz, Rashad Al-Salahi   +2 more
doaj   +1 more source

Racemic mefloquinium chlorodifluoroacetate: crystal structure and Hirshfeld surface analysis [PDF]

Acta Crystallographica Section E Crystallographic Communications, 2018
In the racemic title molecular salt, C17H17F6N2O+·C2ClF2O3 − (systematic name: 2-{[2,8-bis(trifluoromethyl)quinolin-4-yl](hydroxy)methyl}piperidin-1-ium chlorodifluoroacetate), the cation, which is protonated at the piperidine N atom, has the shape of the letter, L, with the piperidin-1-ium group being approximately orthogonal to the ...
Jámes L. Wardell, S.M.S.V. Wardell, Mukesh M. Jotani, Edward R. T. Tiekink   +3 more
openaire   +3 more sources

4-[(Benzylamino)carbonyl]-1-methylpyridinium bromide hemihydrate: X-ray diffraction study and Hirshfeld surface analysis

Acta Crystallographica Section E: Crystallographic Communications, 2022
The hemihydrate of 4-[(benzylamino)carbonyl]-1-methylpyridinium bromide, C14H15N2O+·Br−·0.5H2O, was studied by single-crystal and powder X-ray diffraction methods.
Vitalii V. Rudiuk, Anna M. Shaposhnik, Vyacheslav M. Baumer, Igor A. Levandovskiy, Svitlana V. Shishkina   +4 more
doaj   +1 more source