2014
DOI: 10.5935/0100-4042.20140107
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Bent's Rule Contextualizes Hydrogen Bond Strength in Trimolecular Clusters

Abstract: The interaction strengths of these interactions are in line with the variations in s-character, and independently, the red-shift rise whether stronger or weaker bound systems are carried out. This behavior was justified via NBO analysis and supported by Bent´s rule, wherein the greater variations in s-character of X are in good agreement with larger red-shifts and vice-versa. To conclude, the refinement of the supermolecule approach and NBO binding energies also corroborate in this regard.Keywords: hydrogen bo… Show more

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Cited by 2 publications
(3 citation statements)
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“…Due to this, the protocol of the natural bond orbital (NBO) [46] will be used, by which besides the calculation of the binding energies, the contributions of the s-and p-hybrid orbitals of H, O, and X (X= F, Cl, and Br) may be reliable to interpret the frequency shifts outlined after formation of the complexes. This is a procedure widely used in intermolecular studies [47][48][49] mainly those with hydrogen bond features [50,51]. In line with this, a comparison between the results of structure, electronic parameters, and infrared stretch modes obtained in this current research and those documented by the specialized literature may be valuable as well.…”
Section: Theoretical Methods and Chemometric Techniquesmentioning
confidence: 72%
See 1 more Smart Citation
“…Due to this, the protocol of the natural bond orbital (NBO) [46] will be used, by which besides the calculation of the binding energies, the contributions of the s-and p-hybrid orbitals of H, O, and X (X= F, Cl, and Br) may be reliable to interpret the frequency shifts outlined after formation of the complexes. This is a procedure widely used in intermolecular studies [47][48][49] mainly those with hydrogen bond features [50,51]. In line with this, a comparison between the results of structure, electronic parameters, and infrared stretch modes obtained in this current research and those documented by the specialized literature may be valuable as well.…”
Section: Theoretical Methods and Chemometric Techniquesmentioning
confidence: 72%
“…Regarding these results, they can be supported by the Bent's rule [99][100][101] of the chemical bond by which is affirmed that s-character of the hybrid orbitals is related to the contribution of the electropositive group or element. Although used successfully in recent intermolecular studies [49,73], we would like to consider that this conception of hybrid orbital enhancements should be used with some caution because some inconsistencies were found in this current research.…”
Section: Fig 4 Mep Fields Of H 3 Sih and Hof Monomers As Well As Of mentioning
confidence: 77%
“…[12][13][14] Neste contexto, foi demonstrado que o acetileno e anteriormente o etileno possuem a capacidade de interagir com ácido fluorídrico e formarem complexos de hidrogênio [17][18] mas no entanto, recentemente alguns estudos têm sido feitos com o propósito de definir o poder eletrônico da ligação p em transferir carga para o orbital LUMO de espécies ácidas, 19 além de ácido fluorídrico, mas também do ácido clorídrico. 12,[20][21] Foram reportadas as propriedades estruturais, eletrônicas e vibracionais dos complexos de hidrogênio C 2 H 2 •••n(HF) e C 2 H 4 •••m(HF) para n = 2 e 4 e m = 2. 22 Os resultados apontam para o comprometimento da integridade da ligação de hidrogênio p•••H, em que surge uma nova interação, a C•••H.…”
Section: Introductionunclassified