2016
DOI: 10.1007/s00214-016-1972-z
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Ab initio and DFT studies of the interaction between carbonyl and thiocarbonyl groups: the role of S···O chalcogen bonds

Abstract: A SAPT decomposition of the interaction energies allows to conclude that the electrostatic energy is the predominant component in the stronger complexes and that the dispersion energy becomes more important in the weaker van der Waals complexes.

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Cited by 14 publications
(11 citation statements)
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“…It is surprising that despite the fact that the LP(N)→σ*(C=S) charge transfer is sensitive to the substitution, the elongation of the C=S bond remains more or less constant. A possible explanation is that the increase of σ*(C=S) occupation is nearly compensated by a decrease in π*(C=S) occupation [23]. Another explanation is an electrostatic attractive interaction between the C and S atoms [55].…”
Section: A-complexes Of Pyridinesocsmentioning
confidence: 99%
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“…It is surprising that despite the fact that the LP(N)→σ*(C=S) charge transfer is sensitive to the substitution, the elongation of the C=S bond remains more or less constant. A possible explanation is that the increase of σ*(C=S) occupation is nearly compensated by a decrease in π*(C=S) occupation [23]. Another explanation is an electrostatic attractive interaction between the C and S atoms [55].…”
Section: A-complexes Of Pyridinesocsmentioning
confidence: 99%
“…These complexes involve the interaction of the XB...YZ type where Y possesses one or more electron pairs. They have been classified into halogen bonds where B is a halogen [5][6][7][8][9][10][11][12][13][14][15], chalcogen bonds where B = O, S, Se [16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31][32][33][34], and more recently, tetrel bonds where B = C, Si [35][36][37][38][39][40][41][42]. These bonds are unusual in that they involve a close approach of two electronegative atoms such as Cl, O, C on the one hand, and Y atoms such as N on the other hand.…”
Section: Introductionmentioning
confidence: 99%
“…The interactions between CS 2 and Cl ‐ , neutral bases (NH 3 , H 2 O, PH 3 , H 2 S) and FH have been investigated. Recently, the interaction between CS 2 and carbonyl derivatives has been studied by theoretical methods . Let us notice that the CS 2 molecule is one of the main pollutants in the atmosphere and from this point of view, its interaction with other molecules is interesting to investigate.…”
Section: Introductionmentioning
confidence: 99%
“…For instance, a hydrogen bonding pattern composed of four S···H interactions to a thiocarbonyl group was observed in the crystal structure of thiourea [68]. Based on previous theoretical studies of model complexes [69,70], a single S···H interaction is expected to be rather weak. However, the stabilizing effect of S···H interactions in Fc 2 CS should be strengthened to a certain extent, remembering that a given S atom can be involved in more than one S···H interaction simultaneously.…”
Section: Resultsmentioning
confidence: 99%