Results 41 to 50 of about 477,351 (168)
IUCrJ, 2020 New Nd–Fe–B crystal structures can be formed via the elemental substitution of LA–T–X host structures, including lanthanides (LA), transition metals (T) and light elements, X = B, C, N and O.
Tien-Lam Pham +5 more
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Zeitschrift für Kristallographie - New Crystal StructuresC19H13CdI2N5O, triclinic, P 1‾ $\overline{1}$ (no. 2), a = 9.0045(7) Å, b = 9.6113(8) Å, c = 13.1285(12) Å, α = 80.395(3)°, β = 79.861(3)°, γ = 80.512(3)°, V = 1091.99(16) Å3, Z = 2, R gt(F) = 0.0544, wR ref(F 2) = 0.1446, T = 273 K.
Chen Honglin, Xiong Ying
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Crystal structures of two 6-(2-hydroxybenzoyl)-5H-thiazolo[3,2-a]pyrimidin-5-ones
Acta Crystallographica Section E: Crystallographic Communications, 2015 The title compounds, 6-(2-hydroxybenzyl)-5H-thiazolo[3,2-a]pyrimidin-5-one, C13H8N2O3S, (1), and 6-(2-hydroxybenzyl)-3-methyl-5H-thiazolo[3,2-a]pyrimidin-5-one, C14H10N2O3S, (2), were synthesized when a chromone-3-carboxylic acid, activated with ...
Ligia R. Gomes +3 more
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The crystal structure of baeocystin
Acta Crystallographica Section E Crystallographic Communications, 2022 The title compound, baeocystin or 4-phosphoryloxy-N-methyltryptamine {systematic name: 3-[2-(methylazaniumyl)ethyl]-1H-indol-4-yl hydrogen phosphate}, C11H15N2O4P, has a single zwitterionic molecule in the asymmetric unit. The molecule has an intramolecular N—H...O hydrogen bond between the ammonium cation and the hydrophosphate anion.
Marilyn Naeem +4 more
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Building crystal structures of conjugated polymers through X‐ray diffraction and molecular modeling
SmartMat, 2021 Crystal structure of conjugated molecules and polymers is fundamentally critical to understand their multilevel microstructures, carrier transport, and diverse functions. However, to determine the crystal structure of conjugated polymers is a significant
Ze‐Fan Yao +7 more
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Crystal structure of azimsulfuron [PDF]
Acta Crystallographica Section E Crystallographic Communications, 2015 The title compound {systematic name: 1-(4,6-dimethoxypyrimidin-2-yl)-3-[1-methyl-4-(2-methyl-2H-tetrazol-5-yl)pyrazol-5-ylsulfonyl]urea}, C13H16N10O5S, is a sulfonylurea herbicide. In this compound, the dihedral angles between the planes of the central pyrazole and the terminal dimethoxypyrimidine and tetrazole rings are 79.10 (8) and 17.21 (16 ...
Youngeun Jeon +3 more
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Acta Crystallographica Section E: Crystallographic Communications, 2017 The complete molecules of the title compounds, N2,N5-bis(pyridin-2-ylmethyl)pyrazine-2,5-dicarboxamide, C18H16N6O2 (I), 3,6-dimethyl-N2,N5-bis(pyridin-2-ylmethyl)pyrazine-2,5-dicarboxamide, C20H20N6O2 (II), and N2,N5-bis(pyridin-4-ylmethyl)pyrazine-2,5 ...
Dilovan S. Cati, Helen Stoeckli-Evans
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Crystal structure of pencycuron [PDF]
Acta Crystallographica Section E Crystallographic Communications, 2015 In the title compound [systematic name: 1-(4-chlorobenzyl)-1-cyclopentyl-3-phenylurea], C19H21ClN2O, which is a urea fungicide, the cyclopentyl ring adopts an envelope conformation, with one of the methylene C atoms adjacent to the C atom bonding to the N atom as the flap. The dihedral angles between the mean planes of the central cyclopentyl ring (all
Gihaeng Kang +3 more
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Crystal structures of two alanylpiperidine analogues
Acta Crystallographica Section E: Crystallographic Communications, 2021 The structure of ethyl 1-[N-(4-methylphenyl)-N-(methylsulfonyl)alanyl]piperidine-4-carboxylate, C19H28N2O5S, I, a compound of interest as activator of Ubiquitin C-terminal Hydrolase-L1 (UCH-L1), was determined by single-crystal X-ray diffraction (SCXRD ...
Kalina Mambourg +5 more
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Crystal Structures of New Ivermectin Pseudopolymorphs
Crystals, 2021 New pseudopolymorphs of ivermectin (IVM), a potential anti-COVID-19 drug, were prepared. The crystal structure for three pseudopolymorphic crystalline forms of IVM has been determined using single-crystal X-ray crystallographic analysis.
Kirill Shubin +2 more
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