Self-assembly of conducting cocrystals via iodine⋯π(Cp) interactions

CrystEngComm ◽  
2017 ◽  
Vol 19 (34) ◽  
pp. 5114-5121 ◽  
Author(s):  
Yury V. Torubaev ◽  
Konstantin A. Lyssenko ◽  
Petro Y. Barzilovich ◽  
George A. Saratov ◽  
Mobin M. Shaikh ◽  
...  
Keyword(s):  
Self Assembly ◽  
Halogen Bonds

Conducting crystals of alternating ferrocene and diiodoacetylene units assembled into supramolecular 1-D chains via I⋯π(Cp) halogen bonds were prepared and structurally characterized.

First molecular self-assembly of 1,4-diiodo-tetrafluoro-benzene and a ketone via (O⋯I) non-covalent halogen bonds

2005 ◽  
Vol 737 (2-3) ◽  
pp. 103-107 ◽  
Author(s):  
Jean-Laurent Syssa-Magalé ◽  
Kamal Boubekeur ◽  
Bernd Schöllhorn
Keyword(s):  
Self Assembly ◽  
Halogen Bonds

scholarly journals Realizing Two-Dimensional Spin Arrays on Surfaces via Halogen-Bonding Molecular Self-Assembly

2021 ◽  
Author(s):  
Dingguan Wang ◽  
Zishen Wang ◽  
Shaofei Wu ◽  
Arramel Arramel ◽  
Xinmao Yin ◽  
...  
Keyword(s):  
Single Molecule ◽  
Self Assembly ◽  
Halogen Bonding ◽  
Scanning Tunneling ◽  
Two Dimensional ◽  
Halogen Bonds ◽  
Tunneling Microscopy ◽  
Single Molecule Level ◽  
Magnetic Devices ◽  
Temperature Scanning

Well-ordered spin arrays are highly desirable for next-generation molecule-based magnetic devices, and yet its synthetic method remains a challenging task. Herein, we demonstrate the realization of two-dimensional supramolecular spin arrays on surfaces via halogen-bonding molecular self-assembly. A bromine-terminal perchlorotriphenymethyl radical with net carbon spin was synthesized and deposited on Au(111) to achieve two-dimensional supramolecular spin arrays. By taking advantage of the diversity of halogen bonds, five supramolecular spin arrays are presented with ultrahigh spin densities (up to the value of 3 × 10<sup>13</sup> spins at the size of a flash drive), as probed by low-temperature scanning tunneling microscopy at the single-molecule level. First principle calculations verify that the formation of three distinct types of halogen bonds can be used to tailor supramolecular phases via molecular coverage and annealing temperature. Our work demonstrates supramolecular self-assembly as a promising method to engineering 2D spin arrays for potential application in magnetic devices.

scholarly journals Halogen Bonds Fabricate 2D Molecular Self-Assembled Nanostructures by Scanning Tunneling Microscopy

Crystals ◽  
2020 ◽  
Vol 10 (11) ◽  
pp. 1057
Author(s):  
Yi Wang ◽  
Xinrui Miao ◽  
Wenli Deng
Keyword(s):  
Scanning Tunneling Microscopy ◽  
Self Assembly ◽  
Density Functional ◽  
Deep Understanding ◽  
Halogen Bonding ◽  
The Self ◽  
Scanning Tunneling ◽  
Halogen Bonds ◽  
Tunneling Microscopy ◽  
Self Assembled

Halogen bonds are currently new noncovalent interactions due to their moderate strength and high directionality, which are widely investigated in crystal engineering. The study about supramolecular two-dimensional architectures on solid surfaces fabricated by halogen bonding has been performed recently. Scanning tunneling microscopy (STM) has the advantages of realizing in situ, real-time, and atomic-level characterization. Our group has carried out molecular self-assembly induced by halogen bonds at the liquid–solid interface for about ten years. In this review, we mainly describe the concept and history of halogen bonding and the progress in the self-assembly of halogen-based organic molecules at the liquid/graphite interface in our laboratory. Our focus is mainly on (1) the effect of position, number, and type of halogen substituent on the formation of nanostructures; (2) the competition and cooperation of the halogen bond and the hydrogen bond; (3) solution concentration and solvent effects on the molecular assembly; and (4) a deep understanding of the self-assembled mechanism by density functional theory (DFT) calculations.

Self-Assembly of Iodine in Superfluid Helium Droplets: Halogen Bonds and Nanocrystals

2017 ◽  
Vol 129 (13) ◽  
pp. 3595-3599 ◽  
Author(s):  
Yunteng He ◽  
Jie Zhang ◽  
Lei Lei ◽  
Wei Kong
Keyword(s):  
Superfluid Helium ◽  
Self Assembly ◽  
Halogen Bonds ◽  
Helium Droplets

scholarly journals Cooperative Self‐Assembly in Linear Chains Based on Halogen Bonds

ChemPlusChem ◽  
2021 ◽  
Author(s):  
Pascal Vermeeren ◽  
Lando P. Wolters ◽  
Gábor Paragi ◽  
Célia Fonseca Guerra
Keyword(s):  
Self Assembly ◽  
Halogen Bonds ◽  
Linear Chains

Anion Templated Crystal Engineering of Halogen Bonding Tripodal Tris(halopyridinium) Compounds

2020 ◽  
Author(s):  
Emer Foyle ◽  
Nicholas White
Keyword(s):  
Crystal Engineering ◽  
Self Assembly ◽  
Halogen Bond ◽  
Halogen Bonding ◽  
Halogen Bonds ◽  
X Ray ◽  
X Ray Crystallography ◽  
H Nmr ◽  
Structural Database ◽  
Van Der Waals Radii

<div>In this work four new tripodal tris(halopyridinium) receptors containing potentially halogen</div><div>bonding groups were prepared. The ability of the receptors to bind anions in competitive</div><div>CD<sub>3</sub>CN/d<sub>6</sub>-DMSO was studied using <sup>1</sup>H NMR titration experiments, which revealed that the</div><div>receptors bind chloride anions more strongly than more basic acetate or other halide ions.</div><div>The solid state self–assembly of the tripodal receptors with halide anions was investigated by</div><div>X-ray crystallography. The nature of the structures was dependent on the choice of halide</div><div>anion, as well as the crystallisation solvent. Halogen bond lengths as short as 80% of the sum</div><div>of the van der Waals radii were observed, which is shorter than any halogen bonds involving</div><div>halopyridinium receptors in the Cambridge Structural Database.</div>

Anion Templated Crystal Engineering of Halogen Bonding Tripodal Tris(halopyridinium) Compounds

2020 ◽  
Author(s):  
Emer Foyle ◽  
Nicholas White
Keyword(s):  
Crystal Engineering ◽  
Self Assembly ◽  
Halogen Bond ◽  
Halogen Bonding ◽  
Halogen Bonds ◽  
X Ray ◽  
X Ray Crystallography ◽  
H Nmr ◽  
Structural Database ◽  
Van Der Waals Radii

<div>In this work four new tripodal tris(halopyridinium) receptors containing potentially halogen</div><div>bonding groups were prepared. The ability of the receptors to bind anions in competitive</div><div>CD<sub>3</sub>CN/d<sub>6</sub>-DMSO was studied using <sup>1</sup>H NMR titration experiments, which revealed that the</div><div>receptors bind chloride anions more strongly than more basic acetate or other halide ions.</div><div>The solid state self–assembly of the tripodal receptors with halide anions was investigated by</div><div>X-ray crystallography. The nature of the structures was dependent on the choice of halide</div><div>anion, as well as the crystallisation solvent. Halogen bond lengths as short as 80% of the sum</div><div>of the van der Waals radii were observed, which is shorter than any halogen bonds involving</div><div>halopyridinium receptors in the Cambridge Structural Database.</div>

scholarly journals Cooperative Self‐Assembly in Linear Chains Based on Halogen Bonds

ChemPlusChem ◽  
2021 ◽  
Author(s):  
Pascal Vermeeren ◽  
Lando P. Wolters ◽  
Gábor Paragi ◽  
Célia Fonseca Guerra
Keyword(s):  
Self Assembly ◽  
Halogen Bonds ◽  
Linear Chains

scholarly journals Crystallographic insights into the structural aspects of thioctic acid based halogen-bond donor for the functionalization of gold nanoparticles

2017 ◽  
Vol 73 (2) ◽  
pp. 240-246 ◽  
Author(s):  
Kavitha Buntara Sanjeeva ◽  
Ilaria Tirotta ◽  
Vijith Kumar ◽  
Francesca Baldelli Bombelli ◽  
Giancarlo Terraneo ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Gold Nanoparticles ◽  
Self Assembly ◽  
Halogen Bond ◽  
Halogen Bonding ◽  
Thioctic Acid ◽  
Halogen Bonds ◽  
Donor Ligand ◽  
Structural Aspects

The synthesis and self-assembly capabilities of a new halogen-bond donor ligand, 2,3,5,6-tetrafluoro-4-iodophenyl 5-(1,2-dithiolan-3-yl)pentanoate (1), are reported. The crystal structure of ligand (1) and the formation of a cocrystal with 1,2-di(4-pyridyl)ethylene, (1)·(2), both show halogen bonds involving the 4-iodotetrafluorobenzene moiety. Ligand (1), being a self-complementary unit, forms an infinite halogen-bonded chain driven by the S...I synthon, while the cocrystal (1)·(2) self-assembles into a discrete trimeric entity driven by the N...I synthon. Ligand (1) was also successfully used to functionalize the surface of gold nanoparticles, AuNP-(1). Experiments on the dispersibility profile of AuNP-(1) demonstrated the potential of halogen bonding in facilitating the dispersion of modified NPs with halogen-bond donors in pyridine.

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