By M. Hargittai, I. Hargittai
This quantity is the fourth within the sequence and provides either caliber and breadth. As an entire it displays more and more discernible traits in sleek structural chemistry. One development is that parallel to the ever expanding specialization of thoughts, there's a robust interplay among the strategies. This interplay crosses the bounds among a variety of experiments, among the experiments and computations, experiments and idea, and natural and inorganic chemistry. the opposite pattern is the ever expanding penetration of the main smooth elements of structural chemistry the remainder of chemistry, making the demarkation of structural chemistry more and more fuzzy that is the main welcome improvement from a structural chemist's perspective.
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Additional resources for Advances in Molecular Structure Research. Volume 4
7(1) 271(1) Average: 270(2) t Notes: *Thisis the contact distance between bridging and terminal N atoms, corresponding to N ligand radii of 134 pm and 137 pm for bridging and terminal nitrogens,respectively. "Davis, M. ; Paul, J. W. Jr. J. Mol. Structure, 1971, 9, 478. bDougill, M. W. J. Chem. Soc. (A). 1963, 3211. CDavis, M. ; Paul, J. W. Jr. J. Mol. Structure. 1972, 12, 249. dBullen, G. J. J. Chem. Soc. (A). 1971, 1450. 34 RONALD J. GILLESPIE and EDWARD A. ROBINSON Table 19. ; Wagner, A. J. Acta Crystallogr.
An overview is given on the hydrogen bond functions of the terminal alkyne residue. It is shown that in crystal structures, terminal alkynes form hydrogen bonds with strong acceptors like O---P as well as with weak acceptors like phenyl rings and C=C and C=C moieties. Geometric data is given for these types of interactions. Terminal alkynes can, furthermore, accept n-type hydrogen bonds from strong and also from weak donors, including such from other alkyne groups. The ability to operate as donor and acceptor simultaneously enables terminal alkynes to participate in cooperative hydrogen bond networks with the same functions as hydroxyl groups.
C. Halide Anion Acceptors . . . . . . . . . . . . . . D. Halogen Acceptors . . . . . . . . . . . . . . . IV. n-Acceptors . . . . . . . . . . . . . . . . . . A. C----C-Acceptors . . . . . . . . . . . . . . . . B. Ph-Acceptors . . . . . . . . . . . . . . . . . C. C=C-Acceptors . . . . . . . . . . . . . . . . D. Hydroxyl Groups Which Apparently Donate No Hydrogen Bonds . .
Advances in Molecular Structure Research. Volume 4 by M. Hargittai, I. Hargittai
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