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Hydrogen bond mediated transition state stabilization –

The Contrasting Character of Early and Late Transition Metal Fluorides as Hydrogen Bond Acceptors

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 ...

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The Contrasting Character of Early and Late Transition Metal Fluorides as Hydrogen Bond Acceptors

The Contrasting Character of Early and Late Transition Metal Fluorides as Hydrogen Bond Acceptors

... 24 Hydrogen Bonding to Metal Fluoride ...late transition metals is driven most strongly by metal-mediated fl uorination, 30 but carbon − fl uorine activation 31 and improved synthetic methods 30−32 are ...

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Development of transition-metal catalyzed/mediated reductive carbon-carbon bond forming reactions

Development of transition-metal catalyzed/mediated reductive carbon-carbon bond forming reactions

... carbon-carbon bond forming processes via a tandem conjugate addition-electrophilic trapping reactions 3 using transition metal as well as ...carbon-carbon bond forming methods have been ...silane ...

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Hydrogen bond dynamics in bulk alcohols

Hydrogen bond dynamics in bulk alcohols

... the transition state, where the kinetic energy has been con- verted to potential ...donor hydrogen that dominates the reaction ...the hydrogen jump mech- anism of water 4 and ...stronger ...

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On the Nature of the Hydrogen Bond and Biomolecular Solvation

On the Nature of the Hydrogen Bond and Biomolecular Solvation

... 28 recent study by Shank et al.,(Shank et al., 2009) for instance, fit a coupled cluster calculated 30,000 point full-dimensional global PES, encompassing 10 stationary points, for a water dimer. The present study ...

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The strength of the hydrogen bond in the linking of protein

The strength of the hydrogen bond in the linking of protein

... of hydrogen bond ruptures, to directly esti- mate the energy required to break the bond as a critical configuration, the transition ...of hydrogen bond ruptures in a MD ...of ...

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Nature of the metallization transition in solid hydrogen

Nature of the metallization transition in solid hydrogen

... V. CONCLUSIONS In summary, we have performed DMC calculations of the QP and excitonic energy band gaps of solid molec- ular hydrogen at high pressure. We find that the exci- ton binding energy is smaller than 100 ...

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Phosphorylation-dependent stabilization of MZF1 upregulates N-cadherin expression during protein kinase CK2-mediated epithelial-mesenchymal transition

Phosphorylation-dependent stabilization of MZF1 upregulates N-cadherin expression during protein kinase CK2-mediated epithelial-mesenchymal transition

... Mass spectrometry To obtain MZF1 protein phosphorylated by CK2, in vitro kinase assays were performed with GST-MZF1 protein and recombinant active CK2 α. Reactions were terminated by washing four times with kinase ...

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A symmetric hydrogen bond revisited: Potassium hydrogen maleate by variable temperature, variable pressure neutron

A symmetric hydrogen bond revisited: Potassium hydrogen maleate by variable temperature, variable pressure neutron

... potassium hydrogen maleate unit cell are given in Table ...the hydrogen atoms very close to the mid-point of the O…O bonds (see Table ...a transition state or a minimum on the potential energy ...

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Formation of an unusually short hydrogen bond in photoactive yellow protein.

Formation of an unusually short hydrogen bond in photoactive yellow protein.

... the transition state electrostatically [11, ...the transition state, a larger polarity between the transition state and the protein is energetically ...

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Managing the Transition to Climate Stabilization

Managing the Transition to Climate Stabilization

... It is also interesting to look at the impact of the constraint on GDP. Figure 9 shows annual US GDP losses for our various scenarios. Scenarios with the 3.4 watts/m 2 radiative forcing constraint are shown in the upper ...

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Competing hydrogen-bond and halogen-bond donors in crystal engineering

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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Stabilization of quinapril by incorporating hydrogen bonding interactions

Stabilization of quinapril by incorporating hydrogen bonding interactions

... intermolecular hydrogen bonding between quinapril molecule and ...nitromethane. Stabilization of quinapril by forming strong hydrogen bonding network as in case of co-crystals was further studied by ...

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Hydrogen bond dynamics in bulk alcohols

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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Diffusion of hydrogen in transition metals

Diffusion of hydrogen in transition metals

... Since different coincidence configurations have different tunnelling probabilities for the “naked” hydrogen, an additional temperature dependence is found which can e[r] ...

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Thioindigo-Based Photoswitchable Hydrogen Bond Arrays

Thioindigo-Based Photoswitchable Hydrogen Bond Arrays

... groups pull electron density away from the donor hydrogen atoms through induction and resonance to make them more electropositive. 1.5 Photoswitches Molecular photoswitches are small molecules that encompass a ...

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Photo-Isomerizable Complementary Hydrogen Bond Arrays

Photo-Isomerizable Complementary Hydrogen Bond Arrays

... Conventional polymeric materials are primarily controlled by the covalent bond. These bonds connect monomeric units together creating strong and versatile products which have revolutionized the industrial and ...

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The Monetary Stabilization Bond Spread as a Signal for Financial Crisis

The Monetary Stabilization Bond Spread as a Signal for Financial Crisis

... connectedness and interdependence of the international financial markets. The empirical results of this paper suggest a characteristic pattern of transmission of overseas financial shocks to domestic markets. When an ...

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Hydrogen mobility in transition zone silicates

Hydrogen mobility in transition zone silicates

... the hydrogen mobility in ringwoodite and wadsleyite considering multiple charge-balanced defects, including Mg < = > 2H, Si < = > Mg + 2H, and the hydrogarnet defect, Si < = > 4H, using molecular dynamics ...

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Hydrogen. Can it fuel the energy transition?

Hydrogen. Can it fuel the energy transition?

... sector, hydrogen fuel is expected to become economical with the decrease in fuel cell cost, lower hydrogen supply cost, and increasing conventional transport ...costs. Hydrogen fuel will become ...

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