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Inne
Blue or red ΔνXH complexation shift in X–H···CO2 hydrogen-bonded complexes?
Autorzy
Rok wydania
2011
Czasopismo
Numer woluminu
516
Strony
166-170
DOI
10.1016/j.cplett.2011.09.082
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
The position of the ν(XH) stretching band for more than 100 proton donors (X = O, N, C, S, Se, P, Si, B, F, Cl, Br) complexed with CO2 was calculated at the MP2/6-311++G(d,p) level. Complexation energies and natural bond orbital characteristics were also determined. These calculations revealed that the direction of the ν(XH) band shift was related to the charge born by the hydrogen atom of the proton donor. X–H⋯OCO blue-shifting hydrogen bonds were found for compounds characterised by a small charge, while red-shifting was observed for those compounds with a high positive charge on the hydrogen atom.
Adres publiczny
https://doi.org/10.1016/j.cplett.2011.09.082
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