Results 21 to 30 of about 6,874,902 (263)

X-ray lasers and crystallography [PDF]

open access: yesIUCrJ, 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.
openaire   +4 more sources

Crystal structure, spectroscopic characterization and DFT study of two new linear fused-ring chalcones

open access: yesActa 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   +2 more
doaj   +1 more source

Crystal structures, DFT studies and UV–visible absorption spectra of two anthracenyl chalcone derivatives

open access: yesActa 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   +2 more
doaj   +1 more source

(E)-1,3-Bis(anthracen-9-yl)prop-2-en-1-one: crystal structure and DFT study

open access: yesActa 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   +2 more
doaj   +1 more source

Molecular structure, DFT studies and Hirshfeld analysis of anthracenyl chalcone derivatives

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2018
The molecular and crystal structure of two new chalcone derivatives, (E)-1-(anthracen-9-yl)-3-[4-(piperidin-1-yl)phenyl]prop-2-en-1-one, C28H25NO, (I), and (E)-1-(anthracen-9-yl)-3-[4-(diphenylamino)phenyl]prop-2-en-1-one, C35H25NO, (II), with the fused ...
Dian Alwani Zainuri   +2 more
doaj   +1 more source

Crystal structure and theoretical studies of two π-conjugated fused-ring chalcones: (E)-1-(anthracen-9-yl)-3-(9-ethyl-9H-carbazol-3-yl)prop-2-en-1-one and (E)-1-(anthracen-9-yl)-3-[4-(9H-carbazol-9-yl)phenyl]prop-2-en-1-one

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2018
The title chalcones, C31H23NO and C35H23NO, were synthesized via Claisen–Schmidt condensation reactions. Both structures were solved and refined using single-crystal X-ray diffraction data and optimized at the ground state using the density functional ...
Dian Alwani Zainuri   +2 more
doaj   +1 more source

The effect of the fused-ring substituent on anthracene chalcones: crystal structural and DFT studies of 1-(anthracen-9-yl)-3-(naphthalen-2-yl)prop-2-en-1-one and 1-(anthracen-9-yl)-3-(pyren-1-yl)prop-2-en-1-one

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2018
The title chalcone compounds, C27H18O (I) and C33H20O (II), were synthesized using a Claisen–Schmidt condensation. Both compounds display an s-trans configuration of the enone moiety.
Dian Alwani Zainuri   +2 more
doaj   +1 more source

Micro-CT Study of Mongolian Gerbil Humeral Bone After Prolonged Spaceflight Based on a New Algorithm for Delimitation of Long-Bone Regions

open access: yesFrontiers in Physiology, 2021
The Mongolian gerbil displays unique physiological and anatomical features that make this species an attractive object for biological experiments in space.
Yuri S. Krivonosov   +8 more
doaj   +1 more source

A simple goniometer-compatible flow cell for serial synchrotron X-ray crystallography [PDF]

open access: yes, 2023
Serial femtosecond crystallography was initially developed for room-temperature X-ray diffraction studies of macromolecules at X-ray free electron lasers.
Mueller, Uwe   +72 more
core   +1 more source

Crystal structures of di-μ-chlorido-bis({(E)-5-(ethylamino)-4-methyl-2-[(pyridin-2-yl)diazenyl]phenolato}copper(II)) and chloridobis(1,10-phenanthroline)copper(II) chloride tetrahydrate

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2023
The dark-red title complex crystallized from an equimolar methanol solution of (E)-5-(ethylamino)-4-methyl-2-[(pyridin-2-yl)diazenyl]phenol and CuCl2(phen) (phen = 1,10-phenanthroline) as a centrosymmetric dimer, [CuCl(C14H15N4O)]2.
Alex Meier   +4 more
doaj   +1 more source

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