intermolecular force

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Related to intermolecular: Intermolecular interactions

intermolecular force

[‚in·tər·mə′lek·yə·lər ′fōrs]
(physical chemistry)
The force between two molecules; it is that negative gradient of the potential energy between the interacting molecules, if energy is a function of the distance between the centers of the molecules.
References in periodicals archive ?
The BIA and ODA moieties are supposed to improve the intermolecular interactions, processability and reduce the defects of final PI fibers.
The measured retention parameters (retention values) of test compounds depend on the type and power of intermolecular interactions (affinity) between each one of them and the tested solid compound.
London forces are one of several types of intermolecular forces that cause molecules to stick together and form solids.
The aim of this work is to study the intermolecular interactions occurring in PTT/phenoxy blends and explaining the miscibility of the blends using FTIR.
com (acquired by Quepasa, NYSE:QPSA) and Intermolecular (IPO, NASDAQ:IMI).
Fully accounting for charge and energy carrier delocalization, intermolecular hybridization and quantum superposition of Frenkel and charge-transfer excitations, this approach has the potential to disclose molecular and supramolecular requirements for an efficient ultra-fast multiplication of excitations and their subsequent splitting through hot charge-transfer states, or for the tuning of semiconductor properties by chemical doping.
of Guelph, Canada) and Wesdorp, with a large Dutch chemical company, synthesize the research on the networks, updating from the first edition (no date noted) to incorporate new findings on intermolecular interactions and other matters.
To produce biodegradable thermoplastic starch (TPS) without granular structure, plasticizers have to be incorporated, because they can form hydrogen bonds with starch, replacing the strong intra- and intermolecular hydrogen bonds in starch, resulting in plasticization.
Because of intermolecular energy transfer between EtO and CO2 (and nitrogen, oxygen, H20) under pressure, accurate CO2 measurement is virtually impossible.
of Chicago) presents seven papers on: the influence of the geometric phase on reaction dynamics, optimal control theory for manipulating molecular processes, comprehension and control of nonadiabatic chemical dynamics and manifestation of molecular functions, exploration of multiple reaction paths to a single product channel, photoelectron circular dichroism in chiral molecules, spectroscopy of the potential energy surfaces for C-H and C-O bond activation by transition metal and metal oxide cation, and stabilization of different conformers of weakly bound complexes to access varying excited-state intermolecular dynamics.
In a liquid film thinner than about 100 nm, intermolecular attractions called van der Waals forces tend to squeeze the film so much that it disappears with a pop, says Dorbolo.
Since the intermolecular forces developed during wetting are basically of the same type as those intervening in adsorption processes, Sharpe and Schonhorn proposed their model of adhesion by wetting or thermodynamic adsorption (ref.

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