The Hydrogen Bond Acceptor
Photo-Isomerizable Self-Complementary Hydrogen Bond Arrays
... self-complementary hydrogen bond array; ...a hydrogen bond acceptor site and as a functional element that promotes a structural change capable of disrupting the complexation equilibrium ...
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partial positive an acid is a hydrogen ion donor, or proton donor base is a hydrogen ion acceptor, or proton acceptor acidic protons acid base
... The basic carbon skeleton is an alkane-like structure, made up of only sp 3 carbons and hydrogen atoms, and therefore only sigma (single) bonds. It constitutes the framework that supports the reactive sites, or ...
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Competing hydrogen-bond and halogen-bond donors in crystal engineering
... There is a clear distinction between the primary molecular 65 recognition events in the two classes of azobipyridine co-crystals with same co-formers. In one case, hydrogen bonding is the preferred interaction ...
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Hydrogen bond dynamics in bulk alcohols
... donor hydrogen that dominates the reaction ...the hydrogen jump mech- anism of water 4 and ...initial acceptor is increasing at the time of the exchange and the angular velocity of the final ...
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Thioindigo-Based Photoswitchable Hydrogen Bond Arrays
... complementary hydrogen bond complexes, ...versatile acceptor array that shows high binding affinity towards different donors with distinctive arrangement of hydrogen bonding sites and inherent ...
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Photo-Isomerizable Complementary Hydrogen Bond Arrays
... An acceptor array for these donor compounds, 2, 2’- azopyridine was chosen and we measured the strengths of ...additional acceptor component should increase the resulting stabilities of the ...
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Effective Binding of Methane Using a Weak Hydrogen Bond
... of bond character exists between H and Y moieties, and X is more electronegative than H, even if only moderately (in the case of X as ...weak hydrogen bonds have an H···Y distance of less than the sum of ...
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Formation of an unusually short hydrogen bond in photoactive yellow protein.
... H bond could be a very strong bond, the pR CW intermediate would be very stable and the proceeding pB state would never form in such a time ...and acceptor moieties is not directly associated with ...
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Relative strength of hydrogen bond interaction in alcohol water complexes
... HO HOCH 3 and CH 3 CH 2 OH OHCH 3 . To abbrevi- ate these different isomers we adopt the notation that the DA acronym stands for the proton donor and proton acceptor of the hydrogen bond. For ...
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Complementary and Self-Complementary Hydrogen Bond Double Helical Complexes
... the hydrogen bond donor/acceptor subunits of the array further, produces a complex with an extremely high dimerization constant ( k dimer ≥ ...neutral hydrogen bond ...
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Recent advances in the synthesis and application of hydrogen bond templated rotaxanes and catenanes
... of hydrogen bond templated rotaxanes and ...alternative hydrogen bond donor/acceptor arrangements, and their exploitation, will be ...
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The Contrasting Character of Early and Late Transition Metal Fluorides as Hydrogen Bond Acceptors
... of hydrogen bonding to transition metal ligands has been slow to ...strongest hydrogen bonds between metal-bound ligands are usually ...O hydrogen bonds are characterized by O ··· O distances of ...
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The Contrasting Character of Early and Late Transition Metal Fluorides as Hydrogen Bond Acceptors
... and hydrogen bonding vie for determining the fi nal ...these hydrogen-bonded ...intramolecular hydrogen bond energetics for a wide series of metal-bound ligands has been reported by Crabtree ...
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Proton Acceptor near the Active Site Lowers Dramatically the O-O Bond Formation Energy Barrier in Photocatalytic Water Splitting
... On the basis of these results, we propose a design strategy for a DS-PEC architecture in which the catalyst layer is located in the proximity of an ion-exchange membrane. In particular, one could use assembly strategies ...
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Hydrogen bond dynamics in bulk alcohols
... 211101-2 Opron, Xia, and Wei J. Chem. Phys. 142, 211101 (2015) However, there is one more important cause that has not been discussed in the literature to our best knowledge, namely, multiple characteristic length scales ...
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On the Nature of the Hydrogen Bond and Biomolecular Solvation
... the Hydrogen Bond and Biomolecular Solvation Abstract Water is the most studied molecule in the history of scientific research, and yet much remains unknown about this structurally simple but functionally ...
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The strength of the hydrogen bond in the linking of protein
... six hydrogen bonds in the absence of water, where we obtain a energy of activation of ...the hydrogen bond in the isolated system of ...of hydrogen bonds in water as compared with the gas ...
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Carbon Hydrogen Bond Activation by Peralkylhafnocene and Peralkylscandocene Derivatives
... reported that arene C-H bond activation by a cationic Rh(lll) complex occurred via electrophilic aromatic metallation.£7) Shul'pin and co-workers have invoked a similar mechanism for[r] ...
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Quantum mechanical investigation of bond gaps of π-acceptor complex alone and affected nanoring field
... INTRODUCTION There has been a noticeable regard in experimental researches of B n N m nanoring. B n N n have been provided by reaction of BCl 3 with NH 3 in a laser beam 1,2 . The experimental data of synthesis and ...
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A symmetric hydrogen bond revisited: Potassium hydrogen maleate by variable temperature, variable pressure neutron
... 3.3. Plane-wave DFT calculations 3.3.1. Lattice calculations The results obtained from the PW-DFT calculations run for the potassium hydrogen maleate unit cell are given in Table 2. The first point to note is that ...
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