High-Pressure Induced Switching Between Halogen and Hydrogen Bonding Regimes in 1,4 Dioxane Iodinemonochloride.

Halogen Bonding versus Hydrogen Bonding: A Molecular Orbital Perspective

We have carried out extensive computational analyses of the structure and bonding mechanism in trihalides DX⋅⋅⋅A(-) and the analogous hydrogen-bonded complexes DH⋅⋅⋅A(-) (D, X, A=F, Cl, Br, I) using relativistic density functional theory (DFT) at zeroth-order regular approximation ZORA-BP86/TZ2P. One purpose was to obtain a set of consistent data from which reliable trends in structure and stab...

Hydrogen bonding vs. halogen bonding: the solvent decides.

Control of intermolecular interactions is integral to harnessing self-assembly in nature. Here we demonstrate that control of the competition between hydrogen bonds and halogen bonds, the two most highly studied directional intermolecular interactions, can be exerted by choice of solvent (polarity) to direct the self-assembly of co-crystals. Competitive co-crystal formation has been investigate...

Halogen Bonding versus Hydrogen Bonding: A Molecular Orbital Perspective Previously appeared as Halogen Bonding versus Hydrogen Bonding: A Molecular Orbital Perspective

Competition between hydrogen and halogen bonding in halogenated 1-methyluracil: Water systems

The competition between hydrogen- and halogen-bonding interactions in complexes of 5-halogenated 1-methyluracil (XmU; X = F, Cl, Br, I, or At) with one or two water molecules in the binding region between C5-X and C4=O4 is investigated with M06-2X/6-31+G(d). In the singly-hydrated systems, the water molecule forms a hydrogen bond with C4=O4 for all halogens, whereas structures with a halogen bo...

Trimeric liquid crystals assembled using both hydrogen and halogen bonding.

New liquid crystals are reported that are formed from non-mesomorphic components assembled using both halogen and hydrogen bonding.