Results 11 to 20 of about 3,122,862 (161)

Intermolecular π-π Stacking Interactions Made Visible. [PDF]

J Chem Educ, 2021
Mixing the liquids hexafluorobenzene (1) and 1,3,5-trimethylbenzene (mesitylene, 2) results in a crystalline solid with a melting point of 34 °C. The solid consists of alternating π−π stacked pillars of both aromatics.
Timmer BJJ, Mooibroek TJ.
europepmc   +3 more sources

Enhanced π–π Stacking between Dipole-Bearing Single Molecules Revealed by Conductance Measurement [PDF]

, 2023
Dipoles are widely involved in π–π interactions and are central to many chemical and biological functions, but their influence on the strength of π–π interactions remains unclear.
Bo Jiang (76119), Qingqing Wu (1969732), Sai Feng (14373894), Chengyang Zhang (14373891), Jie Cheng, Xike Gao, Jinghong Li, Jie Cheng (294193), Cheng, Jie, Songjun Hou (5645906), Sai Feng, Yueqi Li (1493650), Feng, Sai, Qingqing Wu, Yueqi Li, Wu, Qingqing, Jinghong Li (219583), Songjun Hou, Xike Gao (1719565), Li, Yueqi, Li, Jinghong, Jiang, Bo, Bo Jiang, Hou, Songjun, Zhang, Chengyang, Gao, Xike, Colin J. Lambert, Lambert, Colin J., Colin J. Lambert (1394917), Chengyang Zhang   +29 more
core   +4 more sources

Search for CP violation in the decay D+→π−π+π+ [PDF]

, 2013
A search for CP violation in the phase space of the decay D+→π−π+π+ is reported using pp collision data, corresponding to an integrated luminosity of 1.0 fb−1, collected by the LHCb experiment at a centre-of-mass energy of 7 TeV.
Dossett, D., HASH(0x55a67ff6f278), Whitehead, M. (Mark), Poluektov, Anton, Kreps, Michal, Craik, Daniel, Reid, Matthew M., Back, J. J., Pilar, T., Williams, M. P., Latham, Thomas, Blake, Thomas, Gershon, T. J., Silva Coutinho, R., Wallace, Charlotte   +14 more
core   +1 more source

4-{(E)-[(2-Hydroxynaphthalen-1-yl)methylidene]amino}-1,5-dimethyl-2-phenyl-2,3-dihydro-1H-pyrazol-3-one: a new polymorph (β-phase)

IUCrData, 2017
The title molecule, C22H19N3O2, is a new polymorphic modification, viz. the β-phase; the α-phase has been previously published [Liang & Wang (2010). Acta Cryst. E66, o1968–o1969].
Shaaban K. Mohamed, Joel T. Mague, Mehmet Akkurt, Mustafa R. Albayati, Alaa F. Mohamed   +4 more
doaj   +1 more source

New determination of the D0→K -π +π0 and D0→K -π +π +π - coherence factors and average strong-phase d [PDF]

, 2014
Measurements of the coherence factors (RKππ0 and R K3π) and the average strong-phase differences (δDKππ0 and δDK3π) for the decays D0→K -π +π0 and D0→K -π +π +π - are presented.
Wilkinson, G, Briere, R.A., Libby, J, Powell, A, Briere, R. A. (Roy A.), Libby, J. (James), Rademacker, J, Pedlar, TK, Libby, J., Rademacker, J., Rademacker, Jonas, Wilkinson, G. (Guy), Powell, A., Thomas, C., Malde, Sneha, Ricciardi, S., Bonvicini, G, Bonvicini, G., Naik, P, Asner, D.M., Thomas, C, Briere, RA, Wilkinson, G., Gershon, T., Asner, DM, Gershon, T, Ricciardi, S, Thomas, C. (Christopher), Asner, D. M., Pedlar, T. K., Naik, P. (Paras), Malde, S., Powell, A. (Andrew), Naik, P., Pedlar, T.K., Gershon, T. J.   +35 more
core   +1 more source

Crystal structure and Hirshfeld surface analysis of (E)-2-(2,4,6-trimethylbenzylidene)-3,4-dihydronaphthalen-1(2H)-one

Acta Crystallographica Section E: Crystallographic Communications, 2019
A novel chalcone, C20H20O, derived from benzylidenetetralone, was synthesized via Claissen–Schmidt condensation between tetralone and 2,4,6-trimethylbenzaldehyde.
Cemile Baydere, Merve Taşçı, Necmi Dege, Mustafa Arslan, Yusuf Atalay, Irina A. Golenya   +5 more
doaj   +1 more source

Coordination polymers utilizing N-oxide functionalised host ligands [PDF]

, 2012
Pyridyl functionalized host molecules are oxidized to their N-oxide analogues and form a series of coordination polymers and discrete complexes with transition metal cations.
Hardie, Michaele J., Barnett, S.A., James J. Henkelis, Sarah A. Barnett, Harding, L.P., Hardie, M.J., Henkelis, James J., Michaele J. Hardie, Barnett, Sarah A., Henkelis, J.J., Lindsay P. Harding, Harding, Lindsay P.   +11 more
core   +1 more source

1-Methyl-3-(2-methylphenyl)-4-phenyl-1H-pyrazolo[3,4-d]pyrimidine

IUCrData, 2017
In the title compound, C19H16N4, the pyrazolopyrimidine unit is slightly twisted. A combination of π-stacking and offset π-stacking interactions forms columns along the b-axis direction.
Mohamed El Hafi, Mohammed Boulhaoua, Youssef Ramli, Mohammed Benchidmi, El Mokhtar Essassi, Joel T. Mague   +5 more
doaj   +1 more source

Influence of perylenediimide–pyrene supramolecular interactions on the stability of DNA-based hybrids: Importance of electrostatic complementarity

Beilstein Journal of Organic Chemistry, 2014
Aromatic π–π stacking interactions are ubiquitous in nature, medicinal chemistry and materials sciences. They play a crucial role in the stacking of nucleobases, thus stabilising the DNA double helix.
Christian B. Winiger, Simon M. Langenegger, Oleg Khorev, Robert Häner   +3 more
doaj   +1 more source

Structures of S-(pyridin-2-yl) 4-nitrobenzothioate, S-(pyridin-2-yl) 4-methylbenzothioate and S-(pyridin-2-yl) 4-methoxybenzothioate: building blocks for low-symmetry multifunctional tetrapyrroles

Acta Crystallographica Section E: Crystallographic Communications, 2023
The crystal structures of three S-(pyridin-2-yl) benzothioesters with varying para-phenyl substituents are presented, namely, S-(pyridin-2-yl) 4-nitrobenzothioate (1, C12H8N2O3S), S-(pyridin-2-yl) 4-methylbenzothioate (2, C13H11NO2S) and S-(pyridin-2-yl)
Harry C. Sample, Brendan Twamley, Mathias O. Senge   +2 more
doaj   +1 more source