Zobrazeno 1 - 10
of 9 916
pro vyhledávání: '"Non-covalent interactions"'
Autor:
Ayalew W. Temesgen, Alexander G. Tskhovrebov, Alexey A. Artemjev, Alexey S. Kubasov, Alexander S. Novikov, Alexander V. Borisov, Anatoly A. Kirichuk, Andreii S. Kritchenkov, Tuan Anh Le
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 10, Pp 1024-1028 (2024)
A new pyridine-fused selenodiazolium salt, 3-(phenylselanyl)[1,2,4]selenadiazolo[4,5-a]pyridin-4-ylium chloride dichloromethane 0.352-solvate, C12H9N2Se2+·Cl−·0.352CH2Cl2, was obtained from the reaction between 2-pyridylselenenyl chloride and phe
Externí odkaz:
https://doaj.org/article/a1f23057e5b846a0b38f5a30411ea0f0
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 20, Iss 1, Pp 2401-2407 (2024)
Diaryliodonium(III) salts have been established as powerful halogen-bond donors in recent years. Herein, a new structural motif for this compound class was developed: iodoloisoxazolium salts, bearing a cyclic five-membered iodolium core fused with an
Externí odkaz:
https://doaj.org/article/9029cd31309d47d989b777ecb837a26f
Autor:
Firudin I. Guseinov, Sevim Türktekin Çelikesir, Mehmet Akkurt, Viacheslav O. Ovsyannikov, Bogdan I. Ugrak, Oksana M. Lavrova, Aida I. Samigullina, Ajaya Bhattarai
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 6, Pp 582-585 (2024)
In the title compound, C6H4BrF3N4O2, the oxadiazole ring is essentially planar with a maximum deviation of 0.003 (2) Å. In the crystal, molecular pairs are connected by N—H...N hydrogen bonds, forming dimers with an R22(8) motif. The dimers are li
Externí odkaz:
https://doaj.org/article/d169788b212f49129e56d5555c8c35ae
Autor:
Hazem Abdelsalam, Mahmoud A.S. Sakr, Mohamed A. Saad, Nahed H. Teleb, Omar H. Abd-Elkader, Qinfang Zhang
Publikováno v:
Results in Physics, Vol 64, Iss , Pp 107953- (2024)
This study investigates the intermolecular interactions between 6-mercaptopurine (MP) and 6-thioguanine (TG) drugs with Fe- and Ni-layered single hydroxides (LSH) using DFT calculations. Hydrogenated Fe and Ni LSH show the best performance as drug ag
Externí odkaz:
https://doaj.org/article/14a69e27ceef4a338a3090c795e33de1
Publikováno v:
Green Synthesis and Catalysis, Vol 5, Iss 2, Pp 117-121 (2024)
Non-covalent interactions are of significance in supramolecular chemistry and biochemistry, while synthetic procedures driven by these weak interactions remain challenging and rare. Inspired by the lone pair-π interaction presence in the Z-DNA struc
Externí odkaz:
https://doaj.org/article/ca8a640ffa1348d5aba04bfe3feaf187
Publikováno v:
Advanced Science, Vol 11, Iss 22, Pp n/a-n/a (2024)
Abstract Aromatic‐carbonyl (Ar···C═O) interactions, attractive interactions between the arene plane and the carbon atom of carbonyl, are in the infancy as one type of new supramolecular bonding forces. Here the study and functionalization of a
Externí odkaz:
https://doaj.org/article/c3bfc5145d984d54842f3a9db493f7e1
Publikováno v:
Chemical Physics Impact, Vol 8, Iss , Pp 100514- (2024)
In this investigation, we are comparing the interactions mainly the hydrogen bond interaction between two complexes MA-CF and MA-HFIP on theoretical grounds. For this the stable conformers of MA, CF and HFIP and their respective complexes MA-CF and M
Externí odkaz:
https://doaj.org/article/c732c31f9ea64445918a62deaef55868
Autor:
Ilya G. Shenderovich
Publikováno v:
Molecules, Vol 29, Iss 21, p 5032 (2024)
This study examines experimental data on the influence of the surrounding medium and non-covalent interactions on the isotropic hyperfine coupling constant, Aiso(14N), of the stable nitroxide radical 2,2,6,6-Tetramethylpiperidin-1-yl)oxyl (TEMPO) in
Externí odkaz:
https://doaj.org/article/6bbf44cce4aa4ee2b5b7e949079e61cb
Autor:
Susan A. Bourne
Publikováno v:
IUCrJ, Vol 11, Iss 4, Pp 434-435 (2024)
Recent studies published in the Chemistry and crystal engineering section of IUCrJ emphasize developments both in methodology and techniques as well as the diverse range of classes of compounds being studied and of problems being tackled.
Externí odkaz:
https://doaj.org/article/4dd6f1bebc6e4ffab2131aa414019567