Download Halogen Bonding: Fundamentals and Applications by Alfred Karpfen (auth.), P. Metrangolo, G. Resnati (eds.) PDF

By Alfred Karpfen (auth.), P. Metrangolo, G. Resnati (eds.)

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"The articles during this quantity in particular handle halogen bonding, and facets of it … . The contributions to this quantity are kind of up to date … . each one bankruptcy starts off with an in depth desk of contents and so much of them additionally offer an inventory defining abbreviations. In precis, it is a very precious publication that encompasses a good deal of data. i will definitely suggest it." (Peter Politzer, magazine of the yank Chemical Society, Vol. one hundred thirty (31), 2008)

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1 for key to the colour coding of atoms These two molecules are clearly isostructural and of C2v symmetry, with the XY or HX molecule lying along the C2 axis of ethene that is perpendicular to the plane containing the C2 H4 nuclei. Other complexes ethene· · ·XY, where XY = Cl2 [46], BrCl [51], Br2 [89] and ICl [96], and other complexes ethene· · ·HX, where X is F [129] or Br [130], have also been shown to have the form illustrated in Fig. 11. It is of interest to note that C2 H4 · · ·Cl2 was detected through its UV spectrum many years ago [131] and that the prereactive complex C2 H4 · · ·Br2 has recently been shown to be important on the overall reaction coordinate for bromination through autocatalytic action of bromine [132].

1 for key to the colour coding of atoms slightly smaller angle in the case of (CH2 )2 S· · ·ClF is discussed in [69]. 5(2)◦ ]. The hydrogen bonds in the complexes (CH2 )2 S· · ·HF [124] and (CH2 )2 S· · ·HBr [28, 125] are also significantly non-linear. 3 B Carries Two Inequivalent n-Pairs Sulfur dioxide is an example of a simple Lewis base that carries two sets of inequivalent n-pairs, one set on each O atom. The n-pair model (in which the π bonding pairs are not drawn and are ignored here) is shown in Fig.

The corresponding Lewis base in which an S atom carries two equivalent n-pairs is thiirane. C. Legon Fig. 8 The n-pair models of 2,5-dihydrofuran, oxetane and oxirane (first column) and the experimental geometries of their complexes with HCl (second column) and ClF (third column), each drawn to scale. The angle φ is almost identical in B· · ·HCl and B· · ·ClF for a given B but increases from 2,5-dihydrofuran, through oxetane, to oxirane, as expected from the model (see text). The non-linearity of the hydrogen bond increases monotonically from 2,5-dihydrofuran to oxirane.

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