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Systematic Characterization of Gas Phase Binary Pre-Nucleation Complexes Containing H2SO4 + X, [ X = NH3, (CH3)NH2, (CH3)2NH, (CH3)3N, H2O, (CH3)OH, (CH3)2O, HF, CH3F, PH3, (CH3)PH2, (CH3)2PH, (CH3)3P, H2S, (CH3)SH, (CH3)2S, HCl, (CH3)Cl)]. A Computational Study
(American Chemical Society, 2018-03)
A systematic characterization of gas phase binary prenucleation complexes between H2SO4 (SA) and other molecules present in the atmosphere (NH3, (CH3)NH2, (CH3)2NH, (CH3)3N, H2O, (CH3)OH, (CH3)2O, HF, CH3 F, PH3, (CH3)PH2, ...
Kinetics of OH- and Cl-initiated oxidation of CH2=CHC(O)O(CH2)2CH3 and CH2=CHCH2C(O)O(CH2)2CH3 and fate of the alkoxy radicals formed
(Elsevier Science, 2016-04-13)
Rate coefficients of the reactions of OH and Cl radicals with vinyl and allyl butyrate were determined for the first time at 298 K and 1 atm using the relative method to be (in cm3 molecule-1 s-1): k1(OH + CH2=CHC(O)O(CH2)2CH3) ...
The gas-phase pyrolysis of cyclopropylamine: Quantum chemical characterisation of the intermediates involved
(Taylor & Francis Ltd, 2020-09-04)
A computational study on the molecular structure, harmonic vibrational frequencies and thermochemical parameters of the postulated intermediates and final products involved in the gas-phase pyrolysis of (c-C3H5)NH2 (CPA) ...
El género Chromolaena DC. (Eupatorieae: Asteraceae) en Colombia: revisión taxonómica y evaluación de su estatus genérico
(2013)
El género Chromolaena DC. (Asteraceae-Eupatorieae) está conformado por cerca de 170 especies que se distribuyen desde el sur de los Estados Unidos hasta el sur de Argentina, con la mayor concentración de especies en Brasil. ...
Tropospheric degradation of propanethiol initiated by Cl radicals: Kinetics, mechanism and computational studies
(Elsevier Science, 2019-05)
The rate coefficient for the reaction of Cl radicals with n-propanethiol has been determined at 298 K and atmospheric pressure to be: (2.37 ± 0.66) × 10−10 cm3 molecule−1 s−1. Dipropyl disulfide, sulfur dioxide, and ...
Estudio de reacciones de termólisis de sales de ésteres de trifenilfosfonio y de mono y diesteres de iluros de fósforo
(Universidad de Chile, 2014)
Se estudia la síntesis y el comportamiento térmico de sales de
trifenilfosfonio di sustituidas en el C α, con estructuras Ph3P+-CH(CO2R)-CO2R’ Xdonde
R= -CH3, y R’ = -CH2-CH3: 4 ; R= -CH2-CH3 y R’= -C(CH3)3 : 5 ; R= ...
Conformational and spectroscopic study of xanthogen ethyl formates, ROC(S)SC(O)OCH2CH3. Isolation of CH3CH2OC(O)SH
(Pergamon-Elsevier Science Ltd, 2015-03)
ROC(S)SC(O)OCH2CH3, with R = CH3-, (CH3)2CH- and CH3(CH2)2-, were obtained through the reaction between potassium xanthate salts, ROC(S)SK, and ethyl chloroformate, ClC(O)OCH2CH3. The liquid compounds were identified and ...
The Cl-initiated oxidation of CH3C(O)OCH=CH2, CH3C(O)OCH2CH=CH2, and CH2=CHC(O)O(CH2)3CH3 in the troposphere
(Springer Heidelberg, 2009-08)
Background, aim, and scope Unsaturated esters are emitted to the atmosphere from biogenic and anthropogenic sources, including those from the polymer industry. Little information exists concerning the atmospheric degradation ...
Chemical Stability toward O2 and H2O of Si(111) Grafted with —CH3, —CH2CH2CH3, —CHCHCH3, and —CCCH3
(American Chemical Society, 2014-12)
The chemical stability of compact monolayers on silicon toward oxidizing agents is a key issue for the use of such monolayers in devices such as solar cells or in the electronics industry. In this work, we investigated the ...