Results 61 to 70 of about 449,459 (150)
1-(2,5-Dichloro-3-thienyl)ethanone: infinite sheets mediated by O...Cl halogen bonds
Acta Crystallographica Section E, 2010 In the title compound, C6H4Cl2OS, the acetyl group is almost coplanar with the thiophene ring [dihedral angle = 4.01 (2)°]. In the crystal, short intermolecular O...Cl contacts [2.9494 (14) and 3.1191 (14) 
A. N. Mayekar +4 more
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Halogen Bonds in Crystal Engineering: Like Hydrogen Bonds yet Different
, 2014 CONSPECTUS: The halogen bond is an attractive interaction in which an electrophilic halogen atom approaches a negatively polarized species. Short halogen atom contacts in crystals have been known for around 50 years.
Mukherjee, Arijit +2 more
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Acta Crystallographica Section E: Crystallographic Communications, 2015 The crystallization of a 1:1 molar solution of 1,2-diiodo-3,4,5,6-tetrafluorobenzene (o-DITFB) and tetrabutylammonium bromide (n-Bu4NBr) from dichloromethane yielded pure white crystals of a halogen-bonded compound, C16H36N+·Br−·C6F4I2·0.5CH2Cl2 or [(n ...
Jasmine Viger-Gravel +2 more
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, 2020 The spectroscopic and photophysical properties of organic materials in the films are widely influenced by their molecular packing morphologies and intermolecular interactions. Here, regioisomeric phenanthridine derivatives were synthesized.
Peng Pang (6312092) +5 more
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Halogen bonds in biological molecules.
, 2004 Short oxygen-halogen interactions have been known in organic chemistry since the 1950s and recently have been exploited in the design of supramolecular assemblies. The present survey of protein and nucleic acid structures reveals similar halogen bonds as
Auffinger, Pascal +3 more
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Halogen Bonds: Benchmarks and Theoretical Analysis [PDF]
, 2013 This article describes an extensive survey of wave function and DFT methods to test their accuracy on geometries and dissociation energies of halogen ...
Kozuch, Sebastian +3 more
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Strength, character, and directionality of halogen bonds involving cationic halogen bond donors
, 2017 Halogen bonds involving cationic halogen bond donors and anionic halogen bond acceptors have recently been recognized as being important in stabilizing the crystal structures of many salts.
Khanh-An Tran, Kevin E. Riley
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Crystals, 2019 How many strong C−I⋯N halogen bonds can one 1,3,5-trifluoro-2,4,6-triiodobenzene molecule form in a crystal structure? To answer this question, we investigated in detail the noncovalent interactions between 1,3,5-trifluoro-2,4,6-triiodobenzene and ...
Yu Zhang, Jian-Ge Wang, Weizhou Wang
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Visualizing Halogen Bonds in Planar Supramolecular Systems
, 2016 Supramolecular interactions were studied in two planar model systems, 1,5- and 2,6-dibromoanthraquinones, prepared on Au(111) using scanning tunneling microscopy.
Howon Kim (1419361) +5 more
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Structural Competition between Hydrogen Bonds and Halogen Bonds
, 2016 The molecules presented here provide a test-bed for competitive supramolecular chemistry, and on the basis of five crystal structures a ranking of the relative structural importance and influence of competing weak/strong hydrogen bonds and weak/strong ...
Meg Fasulo (2162293) +4 more
core +2 more sources