[图书][B] Isotope effects in chemistry and biology

A Kohen, HH Limbach - 2005 - taylorfrancis.com
The field of isotope effects has expanded exponentially in the last decade, and researchers
are finding isotopes increasingly useful in their studies. Bringing literature on the subject up …

[HTML][HTML] Excited-state double-proton transfer in a model DNA base pair: resolution for stepwise and concerted mechanism controversy in the 7-azaindole dimer …

H Sekiya, K Sakota - Journal of Photochemistry and Photobiology C …, 2008 - Elsevier
The excited-state double-proton transfer (ESDPT) reaction in the dual hydrogen-bonded 7-
azaindole dimer (7AI2) in a supersonic jet expansion has been extensively studied with …

Ultrafast Proton Transfer and Contact Ion-Pair Formation in Formic Acid Clusters

SF Sutton, CH Rotteger, CK Jarman… - The Journal of …, 2023 - ACS Publications
The ultrafast proton transfer dynamics of homogeneous formic acid clusters (FA) n, n< 10,
are investigated with femtosecond time-resolved mass spectrometry. We monitor the proton …

Double proton transfer in the dimer of formic acid: An efficient quantum mechanical scheme

H Liu, J Cao, W Bian - Frontiers in Chemistry, 2019 - frontiersin.org
Double proton transfer plays an important role in biology and chemistry, such as with DNA
base pairs, proteins and molecular clusters, and direct information about these processes …

High-resolution infrared spectroscopy of the formic acid dimer

Ö Birer, M Havenith - Annual review of physical chemistry, 2009 - annualreviews.org
The formic acid dimer (HCOOH) 2 (FAD), an eight-membered ring with double hydrogen
bonds, has been a model complex for physical chemists. The acidic protons of the complex …

Proton Transfer in (HCOOH)2:  An IR High-Resolution Spectroscopic Study of the Antisymmetric C−O Stretch

M Ortlieb, M Havenith - The Journal of Physical Chemistry A, 2007 - ACS Publications
We report the fully analyzed high-resolution spectrum of the carboxylic acid dimer (HCOOH)
2 in the gas phase. High-resolution IR spectra in the region of the antisymmetric C− O stretch …

Raman jet spectroscopy of formic acid dimers: low frequency vibrational dynamics and beyond

P Zielke, MA Suhm - Physical Chemistry Chemical Physics, 2007 - pubs.rsc.org
The vibrational dynamics of formic acid dimer is quite regular at low fundamental excitation
frequencies, whereas it evolves into a complex and irregular vibrational signature in the OH …

Effects of a distal mutation on active site chemistry

L Wang, S Tharp, T Selzer, SJ Benkovic, A Kohen - Biochemistry, 2006 - ACS Publications
Previous studies of Escherichia coli dihydrofolate reductase (ec DHFR) have demonstrated
that residue G121, which is 19 Å from the catalytic center, is involved in catalysis, and long …

Polar (acyclic) isomer of formic acid dimer: Gas-phase Raman spectroscopy study and thermodynamic parameters

RM Balabin - The Journal of Physical Chemistry A, 2009 - ACS Publications
The formic (methanoic) acid spectral range of 575− 1150 cm− 1 has been studied by the gas-
phase Raman spectroscopy method in a temperature region between 25 and 45° C. A weak …

Anharmonic midinfrared vibrational spectra of benzoic acid monomer and dimer

J Antony, G von Helden, G Meijer… - The Journal of chemical …, 2005 - pubs.aip.org
Anharmonic vibrational calculations for the benzoic acid monomer and dimer in the mid-IR
regime (500–1800 cm− 1) are reported. Harmonic frequencies and intensities are obtained …