Search Results - "Černušák, Ivan"
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Improved Mechanistic Model of the Atmospheric Redox Chemistry of Mercury
Published in Environmental science & technology (02-11-2021)“…We present a new chemical mechanism for Hg0/HgI/HgII atmospheric cycling, including recent laboratory and computational data, and implement it in the GEOS-Chem…”
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Theoretical Study of the Reactions of H Atoms with CH3I and CH2I2
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (16-08-2018)“…High level ab initio methods have been used to provide reliable kinetic data for the H + CH3I and H + CH2I2 gas-phase reactions. The (H, I)-abstraction and…”
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3
Theoretical Study of the Monohydration of Mercury Compounds of Atmospheric Interest
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (08-07-2021)“…The structures, vibrational frequencies, and model IR spectra of the monohydrates of oxygenated mercury compounds (BrHgO, BrHgOH, BrHgOOH, BrHgNO2, BrHgONO,…”
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Reactivity of CHI3 with OH Radicals: X‑Abstraction Reaction Pathways (X = H, I), Atmospheric Chemistry, and Nuclear Safety
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (09-10-2014)“…The X-abstraction (X = H, I) pathways in the reaction of CHI3 with OH radical, a possible iodoform removal process relevant to the Earth’s atmosphere and…”
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5
A Density Functional Theory and ab Initio Investigation of the Oxidation Reaction of CO by IO Radicals
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (17-03-2016)“…To get an insight into the possible reactivity between iodine oxides and CO, a first step was to study the thermochemical properties and kinetic parameters of…”
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Reactivity of Hydrogen Peroxide with Br and I Atoms
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (01-02-2018)“…The reaction mechanisms of Br and I atoms with H2O2 have been investigated using DFT and high-level ab initio calculations. The H-abstraction and…”
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Unraveling the Tropospheric Microhydration Processes of Iodous Acid HOIO
Published in ACS earth and space chemistry (16-01-2020)“…The microhydration of iodous acid has been theoretically studied using the ωB97X-D/aug-cc-pVTZ level of theory. Two hydration processes have been examined…”
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Investigation of the Reaction Mechanism and Kinetics of Iodic Acid with OH Radical Using Quantum Chemistry
Published in ACS earth and space chemistry (15-06-2017)“…In this paper, the mechanism of the HOIO2 + OH → products reaction is investigated using quantum chemistry tools. Two pathways are considered: HOIO2 + OH →…”
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BrHgO• + CO: Analogue of OH + CO and Reduction Path for Hg(II) in the Atmosphere
Published in ACS earth and space chemistry (15-10-2020)“…We present results of the first study of the reaction BrHgO• + CO → BrHg• + CO2, which constitutes a potentially important mercury reduction reaction in the…”
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10
Thermochemistry of HIO2 Species and Reactivity of Iodous Acid with OH Radical: A Computational Study
Published in ACS earth and space chemistry (16-03-2017)“…This paper reports computations of thermochemical properties [Δf H 298 K °, S 298 K °, and C p = f(T)] of HIO2 isomers (HOOI and HOIO) together with the…”
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Toward More Efficient CCSD(T) Calculations of Intermolecular Interactions in Model Hydrogen-Bonded and Stacked Dimers
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (31-07-2008)“…Interaction energies of the model H-bonded complexes, the formamide and formamidine dimers, as well as the stacked formaldehyde and ethylene dimers are…”
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12
Spectroscopic properties of diatomic molecules CdI and CsCd: ab initio calculations
Published in Theoretical chemistry accounts (01-08-2020)“…Ab initio methods, CASPT2 and CCSD(T), with the large contraction of the ANO-RCC basis set, were used for the calculations of potential energy curves (PECs) of…”
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13
Together, Not Separately, OH and O3 Oxidize Hg(0) to Hg(II) in the Atmosphere
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (10-11-2022)“…Mercury, a highly toxic metal, is emitted to the atmosphere mostly as gaseous Hg(0). Atmospheric Hg(0) enters ecosystems largely through uptake by vegetation,…”
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14
Atomic and ionic polarizabilities of B, C, N, O, and F
Published in International journal of quantum chemistry (15-02-2021)“…Accurate polarizabilities of atoms and molecules are critical in the treatment of optical and dielectric properties, in the modeling and interpretation of…”
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15
Raman spectroscopic study of polysulfanes (H2Sn) in natural fluid inclusions
Published in Chemical geology (20-03-2019)“…Sulfur-bearing methane inclusions with up to 68 mol% H2S in metamorphic quartzite from Bastar Craton (India) exhibit common ν1 vibration modes of H2S and CH4…”
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Computational study of the I2O5+H2O=2 HOIO2 gas-phase reaction
Published in Chemical physics letters (01-10-2016)“…[Display omitted] •Potential Energy Surface for the I2O5+H2O reaction was explored.•Transition State Theory was applied to compute rate constants.•Arrhenius…”
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Ab initio molecular dynamics investigation of Cs adsorption on Mo(0 0 1): Beyond a single monolayer coverage
Published in Applied surface science (01-09-2021)“…[Display omitted] •In-depth insight into the finite-T properties of Cs@Mo(0 0 1) achieved via AIMD.•Mono- and multi-layer Cs depositions systematically…”
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Hydrogen recovery from H2S-CH4 inclusions trapped in quartz triggered by green laser-induced photolysis of polysulphane-sulphur bonds
Published in Applied geochemistry (01-07-2019)“…Natural H2S-CH4 inclusions enclosed in quartz were transformed into H2-CH4 mixture with none or negligible H2S concentration after short irradiation of…”
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A Theoretical Study of the Reactions of H Atoms with CH 3 I and CH 2 I 2
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (16-08-2018)“…High level ab initio methods have been used to provide reliable kinetic data for the H+ CH3I and H + CH2I2 gas phase reactions. The (H, I)- abstraction and I-…”
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20
Relativistic calculations of AuSi+ and AuSi
Published in International journal of quantum chemistry (15-08-2019)“…Theoretical calculations of the electronic structure of the ground state and a series of excited states of the AuSi+ and AuSi− molecules are presented. The…”
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