ArticleJournal of molecular modeling2013
A theoretical investigation into the cooperativity effect between the H∙∙∙O and H∙∙∙F⁻ interactions and electrostatic potential upon 1:2 (F⁻:N-(Hydroxymethyl)acetamide) ternary-system formation.
Article in Journal of molecular modeling, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed.
- A theoretical investigation on the synergetic effect of hydrogen-bonding interactions and thermodynamic property in the 1: 2 (azacyclopentane-2-one: N-methylolacetamide) ternary complex.Journal of molecular modeling · 2023Article
- Theoretical explanation for the pharmaceutical incompatibility through the cooperativity effect of the drug-drug intermolecular interactions in the phenobarbital∙∙∙paracetamol∙∙∙HJournal of molecular modeling · 2019Article
- Theoretical investigations into the intermolecular hydrogen-bonding interactions of N-(hydroxymethyl)acetamide dimers.Journal of molecular modeling · 2018Article
- Hydrogen-bonding behavior of various conformations of the HNOJournal of molecular modeling · 2017Article
- Theoretical insight into the solvent effect of HJournal of molecular modeling · 2017Article
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5 authors.
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Abstract
The cooperativity effects between the O/N-H∙∙∙F(-) anionic hydrogen-bonding and O/N-H∙∙∙O hydrogen-bonding interactions and electrostatic potentials in the 1:2 (F(-):N-(Hydroxymethyl)acetamide (signed as "ha")) ternary systems are investigated at the B3LYP/6-311++G** and MP2/6-311++G** levels. A comparison of the cooperativity effect in the "F(-)∙∙∙ha∙∙∙ha" and "FH∙∙∙ha(-)∙∙∙ha" systems is also carried out. The result shows that the increase of the H∙∙∙O interaction energy in the O-H∙∙∙O-H, N-H∙∙∙O-H or N-H∙∙∙O = C link is more notable than that in the O-H∙∙∙O = C contact upon ternary-system formation. The cooperativity effect is found in the complex formed by the O/N-H∙∙∙F(-) and O/N-H∙∙∙O interactions, while the anti-cooperativity effect is present in the system with only the O/N-H∙∙∙F(-) H-bond or the "FH∙∙∙ha(-)∙∙∙ha" complex by the N(-)∙∙∙H-F contact. Atoms in molecules (AIM) analysis and shift of electron density confirm the existence of cooperativity. The most negative surface electrostatic potential (V(S,min)) correlates well with the interaction energy E' int.(ha∙∙∙F-) and synergetic energy E(syn.), respectively. The relationship between the change of V(S,min) (i.e., ΔV(S,min)) and E(syn.) is also found.
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