![N-[(5,6-Dichloro-1H-benzimidazol-2-yl)methyl]-9-(1-methyl-1H-pyrazol-4-yl)-2-(4-morpholinyl)-9H-purin-6-amine structure](https://static.chemtradehub.com/structs/238/2387704-62-1-25f4.webp "N-[(5,6-Dichloro-1H-benzimidazol-2-yl)methyl]-9-(1-methyl-1H-pyrazol-4-yl)-2-(4-morpholinyl)-9H-purin-6-amine structure")
N-[(5,6-Dichloro-1H-benzimidazol-2-yl)methyl]-9-(1-methyl-1H-pyrazol-4-yl)-2-(4-morpholinyl)-9H-purin-6-amine
CAS Number:
2387704-62-1
Molecular Formula:
C21H20Cl2N10O
Thermodynamic properties calculation for MgO–SiO2 liquids using both empirical and first-principles molecular simulations
Literature Information
Publication Date
2011-10-20
DOI
10.1039/C1CP22399B
Impact Factor
3.676
Authors
Liqun Zhang
View Original
Abstract
Both classical molecular dynamics simulations and first-principles molecular simulations were carried out to investigate the thermodynamic properties of MgO–SiO2 melts at 4000 K and 0 GPa. After equilibrating both the mini-sized and large-sized systems using classical molecular dynamics simulations, several properties and structures were calculated and compared. Consistencies were found between results from mini-sized systems and those from large-sized systems. The first-principles molecular dynamics simulations were continued for 6 ps from several independent configurations output from the mini-sized systems. The enthalpy of mixing was calculated, and results were compared with those from empirical molecular simulations. We found that first-principles simulation modified the thermodynamic properties of silicate melts, and led to positive enthalpy of mixing at high SiO2 concentrations and negative ones at low SiO2 concentrations. Regressing data using the Margules equation led to results consistent with available references.
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Source Journal
Physical Chemistry Chemical Physics
CiteScore:
5.5
Self-citation Rate:
10.3%
Articles per Year:
3036
Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.
Recommended Compounds
4-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)morpholine
CAS Number:
485799-04-0
Molecular Formula:
C15H23BN2O3
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