Results 1 to 10 of about 131,344 (242)

A century of X-ray crystallography and 2014 international year of X-ray crystallography

Macedonian Journal of Chemistry and Chemical Engineering, 2015
The 100th anniversary of the Nobel prize awarded to Max von Laue in 1914 for his discovery of diffraction of X-rays on a crystal marked the beginning of a new branch of science - X-ray crystallography.
Biserka Kojić-Prodić
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The Photovoltaic Performance of Sensitizers for Organic Solar Cells Containing Fluorinated Chalcones with Different Halogen Substituents

Crystals, 2021
Two newly halogenated chalcones, derivatives of C15H10ClFO (CH-ClF) and C15H10F2O (CH-FF), were synthesized using the Claisen–Schmidt condensation method.
Siti Nabilla Aliya Mohd Nizar, Siti Noor Farhana Ab Rahman, Muhamad Fikri Zaini, Ainizatul Husna Anizaim, Ibrahim Abdul Razak, Suhana Arshad   +5 more
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(E)-1-(Benzo[d][1,3]dioxol-5-yl)-3-([2,2′-bithiophen]-5-yl)prop-2-en-1-one: crystal structure, UV–Vis analysis and theoretical studies of a new π-conjugated chalcone

Acta Crystallographica Section E: Crystallographic Communications, 2019
In the title compound, C18H12O3S2, synthesized by the Claisen–Schmidt condensation method, the essentially planar chalcone unit adopts an s-cis configuration with respect to the carbonyl group within the ethylenic bridge.
Ainizatul Husna Anizaim, Muhamad Fikri Zaini, Muhammad Adlan Laruna, Ibrahim Abdul Razak, Suhana Arshad   +4 more
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Structural, Hirshfeld and DFT studies of conjugated D–π–A carbazole chalcone crystal

Acta Crystallographica Section E: Crystallographic Communications, 2020
A new conjugated carbazole chalcone compound, (E)-3-[4-(9,9a-dihydro-8aH-carbazol-9-yl)phenyl]-1-(4-nitrophenyl)prop-2-en-1-one (CPNC), C27H18N2O3, was synthesized using a Claisen–Schmidt condensation reaction.
Muhamad Fikri Zaini, Ibrahim Abdul Razak, Wan Mohd Khairul, Suhana Arshad   +3 more
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Crystal structure, Hirshfeld surface analysis and DFT studies of (E)-1-(4-bromophenyl)-3-(3-fluorophenyl)prop-2-en-1-one

Acta Crystallographica Section E: Crystallographic Communications, 2019
The asymmetric unit of the title halogenated chalcone derivative, C15H10BrFO, contains two independent molecules, both adopting an s-cis configuration with respect to the C=O and C=C bonds. In the crystal, centrosymmetrically related molecules are linked
Muhamad Fikri Zaini, Ibrahim Abdul Razak, Mohamad Zahid Anis, Suhana Arshad   +3 more
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Molecular structure, DFT studies and UV–Vis absorption of two new linear fused ring chalcones: (E)-1-(anthracen-9-yl)-3-(2-methoxyphenyl)prop-2-en-1-one and (E)-1-(anthracen-9-yl)-3-(3-fluoro-4-methoxyphenyl)prop-2-en-1-one

Acta Crystallographica Section E: Crystallographic Communications, 2018
The title compounds, C24H18O2 and C24H17FO2, were synthesized using the Claisen–Schmidt condensation method and characterized by UV–Vis spectroscopy. Weak intermolecular C—H...O, C—H...π and π–π hydrogen-bonding interactions help to stabilize the crystal
Dian Alwani Zainuri, Ibrahim Abdul Razak, Suhana Arshad   +2 more
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X-ray lasers and crystallography [PDF]

IUCrJ, 2014
The development of X-ray lasers and their applications in crystallography is described. In the birth of this new field, IUCrJ is ideally positioned to present this research to both specialists in crystallography, and to the wider audience in structural biology.
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Crystal structure, spectroscopic characterization and DFT study of two new linear fused-ring chalcones

Acta Crystallographica Section E: Crystallographic Communications, 2018
The structures of two new anthracenyl chalcones, namely (E)-1-(anthracen-9-yl)-3-(4-nitrophenyl)prop-2-en-1-one, C23H15NO3, and (E)-1-(anthracen-9-yl)-3-(4-iodophenyl)prop-2-en-1-one, C23H15IO are reported.
Dian Alwani Zainuri, Ibrahim Abdul Razak, Suhana Arshad   +2 more
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Crystal structures, DFT studies and UV–visible absorption spectra of two anthracenyl chalcone derivatives

Acta Crystallographica Section E: Crystallographic Communications, 2018
The crystal structures of (E)-1-(anthracen-9-yl)-3-(3H-indol-2-yl)prop-2-en-1-one, C25H17NO, and (E)-1-(anthracen-9-yl)-3-[4-(dimethylamino)naphthalen-1-yl]prop-2-en-1-one, C29H23NO, are reported.
Dian Alwani Zainuri, Ibrahim Abdul Razak, Suhana Arshad   +2 more
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(E)-1,3-Bis(anthracen-9-yl)prop-2-en-1-one: crystal structure and DFT study

Acta Crystallographica Section E: Crystallographic Communications, 2018
The title compound, C31H20O, was synthesized using a Claisen–Schmidt condensation. The enone group adopts an s-trans conformation and the anthracene ring systems are twisted at angles of 85.21 (19) and 83.98 (19)° from the enone plane.
Dian Alwani Zainuri, Ibrahim Abdul Razak, Suhana Arshad   +2 more
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