Acknowledgements |
Introduction / 1: |
The hydrogen bond / 1.1: |
Historical background / 1.1.1: |
Geometrical parameters and definitions / 1.1.2: |
Energetic parameters and definitions / 1.1.3: |
The weak or non-conventional hydrogen bond - scope of this work / 1.2: |
Classification of hydrogen bonds / 1.2.1: |
The nature of the hydrogen bond interaction and its limits / 1.2.2: |
Differences between strong and weak hydrogen bonds / 1.2.3: |
Methods of studying weak hydrogen bonds / 1.3: |
Crystal structure analysis and statistical treatment of these results / 1.3.1: |
Vibrational spectroscopy / 1.3.2: |
Gas-phase rotational spectroscopy / 1.3.3: |
Computation / 1.3.4: |
Summary / 1.4: |
Archetypes of the weak hydrogen bond - C--H...O and C--H...N interactions in organic and organometallic systems / 2: |
Historical developments / 2.1: |
Sutor's study / 2.1.1: |
The dark ages / 2.1.2: |
The Taylor-Kennard paper / 2.1.3: |
General properties / 2.2: |
Length properties / 2.2.1: |
Angular properties / 2.2.3: |
C--H bond lengthening / 2.2.4: |
Reduction of thermal vibrations / 2.2.5: |
Computational studies and hydrogen bond energies / 2.2.6: |
Cooperativity / 2.2.7: |
Hardness and softness / 2.2.8: |
Intramolecular phenomena / 2.2.9: |
Influence on crystal packing / 2.2.10: |
Repulsive and destabilizing C--H...O contacts / 2.2.11: |
Weak hydrogen bonds in liquids and solution / 2.2.12: |
Recapitulation / 2.2.13: |
Other weak and non-conventional hydrogen bonds / 3: |
[pi]-Acceptors / 3.1: |
What is a [pi]-acceptor? / 3.1.1: |
Solution and gas phase experiments / 3.1.2: |
Phenyl groups / 3.1.3: |
Alkynes / 3.1.4: |
Alkenes / 3.1.5: |
Heterocycles / 3.1.6: |
Other [pi]-acceptors / 3.1.7: |
Weak atomic acceptors / 3.2: |
Group VII elements - covalent halogen / 3.2.1: |
Group VI elements - S, Se and Te / 3.2.2: |
Group V elements - P, As and Sb / 3.2.3: |
Group IV elements - isonitriles, carbanions, carbenes and silylenes / 3.2.4: |
Halide anions / 3.3: |
Weak donors / 3.4: |
S--H / 3.4.1: |
P--H and P[superscript +]--H / 3.4.2: |
Se--H, As--H and Si--H / 3.4.3: |
Organometallics / 3.5: |
Metal atoms as acceptors - X--H...M hydrogen bonds / 3.5.1: |
Metal atom groups as donors - M--H...A hydrogen bonds / 3.5.2: |
Agostic interactions - M...(H--C) / 3.5.3: |
Other varieties / 3.6: |
The dihydrogen bond - X--H...H--M / 3.6.1: |
The inverse hydrogen bond - X--H[superscript -]...A[superscript +] / 3.6.2: |
The weak hydrogen bond in supramolecular chemistry / 3.7: |
The solid state - influence of weak hydrogen bonds on packing / 4.1: |
The crystal as a supermolecule / 4.1.1: |
Crystal structures wherein weak hydrogen bonds are important / 4.1.2: |
Inclusion complexes / 4.2: |
Crown ethers / 4.2.1: |
Oligoaryl hosts / 4.2.2: |
Cyclodextrins (cycloamyloses) / 4.2.3: |
Crystal engineering - promises and problems / 4.3: |
From molecular to crystal structure / 4.3.1: |
The computational approach / 4.3.2: |
The experimental approach - database research / 4.3.3: |
Crystal engineering in practice - supramolecular synthons / 4.3.4: |
Recognition in solution and related phenomena / 4.4: |
Supramolecular assistance to molecular synthesis / 4.4.1: |
Drug design and biological recognition / 4.4.2: |
The weak hydrogen bond in biological structures / 5: |
Biological structures are not time-stable / 5.1: |
The crystallographic resolution problem / 5.1.2: |
Peptides and proteins / 5.2: |
The building blocks - amino acids / 5.2.1: |
C--H...O hydrogen bonds / 5.2.2: |
X--H...[pi] hydrogen bonds / 5.2.3: |
Protein-ligand interactions / 5.2.4: |
Enzymatic activity / 5.2.5: |
Nucleic acids / 5.3: |
Nucleic acid constituents / 5.3.1: |
Polymeric DNA and RNA / 5.3.2: |
Carbohydrates / 5.4: |
Chemical constitution / 5.4.1: |
Hydrogen bond geometry / 5.4.2: |
Functionally important C--H...O hydrogen bonds / 5.4.3: |
Water molecules / 5.5: |
Organic hydrates / 5.5.1: |
Are there water molecules with vacant hydrogen bond potentials? / 5.5.2: |
Macromolecular structures / 5.5.3: |
Conclusions / 6: |
Some bibliographic statistics / Appendix: |
References |
Index |
Acknowledgements |
Introduction / 1: |
The hydrogen bond / 1.1: |
Historical background / 1.1.1: |
Geometrical parameters and definitions / 1.1.2: |
Energetic parameters and definitions / 1.1.3: |