1
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Sun N, Li Y, Qiu N, Du S. Ab Initio Studies of Structural and Mechanical Properties of NH 3, NO, and N 2O Hydrates. ACS OMEGA 2023; 8:22018-22025. [PMID: 37360486 PMCID: PMC10286252 DOI: 10.1021/acsomega.3c02063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Accepted: 05/10/2023] [Indexed: 06/28/2023]
Abstract
The investigation on the mechanical properties of clathrate hydrate is closely related to the exploitation of hydrates and gas transportation. In this article, the structural and mechanical properties of some nitride gas hydrates were studied using DFT calculations. First, the equilibrium lattice structure is obtained by geometric structure optimization; then, the complete second-order elastic constant is determined by energy-strain analysis, and the polycrystalline elasticity is predicted. It is found that the NH3, N2O, and NO hydrates all have high elastic isotropy but are different in shear characteristics. This work may lay a theoretical foundation for studying the structural evolution of clathrate hydrates under the mechanical field.
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Affiliation(s)
- Ningru Sun
- College
of Power and Energy Engineering, Harbin
Engineering University, Nantong Street, Harbin 150001, P. R. China
- Engineering
Laboratory of Advanced Energy Materials, Ningbo Institute of Materials
Technology and Engineering, Chinese Academy
of Sciences, Ningbo 315201, China
| | - Yanjun Li
- College
of Power and Energy Engineering, Harbin
Engineering University, Nantong Street, Harbin 150001, P. R. China
| | - Nianxiang Qiu
- Engineering
Laboratory of Advanced Energy Materials, Ningbo Institute of Materials
Technology and Engineering, Chinese Academy
of Sciences, Ningbo 315201, China
| | - Shiyu Du
- Engineering
Laboratory of Advanced Energy Materials, Ningbo Institute of Materials
Technology and Engineering, Chinese Academy
of Sciences, Ningbo 315201, China
- School
of Materials Science and Engineering, China
University of Petroleum (East China), Qingdao 266580, China
- Milky-Way
Sustainable Energy Ltd, Zhuhai 519000, China
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2
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Atomistic-geometric simulations to investigate the mechanical stability of monocrystalline sI methane hydrates under pressure. Sci Rep 2023; 13:1907. [PMID: 36732541 PMCID: PMC9894853 DOI: 10.1038/s41598-023-29194-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Accepted: 01/31/2023] [Indexed: 02/04/2023] Open
Abstract
Gas hydrate mechanical stability under pressure is critically important in energy supply, global warming, and carbon-neutral technologies. The stability of these polyhedral guest-host crystals under increasing pressure is affected by host cage type and face connectivity as well as guest gas occupancy. The geometry-imposed cage connectivity generates crystal lattices that include inclusion-matrix material composite structures. In this paper, we integrate Density Functional Theory simulations with a polyhedral-inspired composite material model that quantifies stability limits, failure modes, and the impact of the type of cage occupancy. DFT reveals the existence of two failure mechanisms under increasing pressure: (i) a multistep lattice breakdown under total occupancy and under only large cage occupancy and (ii) a single-step breakdown under zero occupancy as well as with only small cage occupancy. The DFT-composite model predicts optimal occupancy pathways to generate strength and critical occupancy pathways to promote decomposition.
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3
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Lorenz T, Jäger A, Breitkopf C. Predicting Material Properties of Methane Hydrates with Cubic Crystal Structure Using Molecular Simulations. CHEM-ING-TECH 2022. [DOI: 10.1002/cite.202200160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Tommy Lorenz
- Technische Universität Dresden Institut für Energietechnik Professur für Technische Thermodynamik Helmholtzstraße 14 01069 Dresden Germany
| | - Andreas Jäger
- Technische Universität Dresden Institut für Energietechnik, Thermische Energiemaschinen und -anlagen Helmholtzstraße 14 01069 Dresden Germany
| | - Cornelia Breitkopf
- Technische Universität Dresden Institut für Energietechnik Professur für Technische Thermodynamik Helmholtzstraße 14 01069 Dresden Germany
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4
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Cabrera-Ramírez A, Prosmiti R. Modeling of Structure H Carbon Dioxide Clathrate Hydrates: Guest-Lattice Energies, Crystal Structure, and Pressure Dependencies. THE JOURNAL OF PHYSICAL CHEMISTRY. C, NANOMATERIALS AND INTERFACES 2022; 126:14832-14842. [PMID: 36110497 PMCID: PMC9465682 DOI: 10.1021/acs.jpcc.2c04140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 07/26/2022] [Indexed: 06/15/2023]
Abstract
We performed first-principles computations to investigate the complex interplay of molecular interaction energies in determining the lattice structure and stability of CO2@sH clathrate hydrates. Density functional theory computations using periodic boundary conditions were employed to characterize energetics and the key structural properties of the sH clathrate crystal under pressure, such as equilibrium lattice volume and bulk modulus. The performance of exchange-correlation functionals together with recently developed dispersion-corrected schemes was evaluated in describing interactions in both short-range and long-range regions of the potential. Structural relaxations of the fully CO2-filled and empty sH unit cells yield crystal structure and lattice energies, while their compressibility parameters were derived by including the pressure dependencies. The present quantum chemistry computations suggest anisotropy in the compressibility of the sH clathrate hydrates, with the crystal being less compressible along the a-axis direction than along the c-axis one, in distinction from nearly isotropic sI and sII structures. The detailed results presented here give insight into the complex nature of the underlying guest-host interactions, checking earlier assumptions, providing critical tests, and improving estimates. Such entries may eventually lead to better predictions of thermodynamic properties and formation conditions, with a direct impact on emerging hydrate-based technologies.
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Affiliation(s)
- Adriana Cabrera-Ramírez
- Institute
of Fundamental Physics (IFF-CSIC), CSIC, Serrano 123, 28006, Madrid, Spain
- Doctoral
Programme in Theoretical Chemistry and Computational Modelling, Doctoral
School, Universidad Autónoma de Madrid, 28049, Madrid, Spain
| | - Rita Prosmiti
- Institute
of Fundamental Physics (IFF-CSIC), CSIC, Serrano 123, 28006, Madrid, Spain
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5
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Mathews S, Daghash S, Rey A, Servio P. Recent Advances in Density Functional Theory and Molecular Dynamics Simulation of Mechanical, Interfacial, and Thermal Properties of Natural Gas Hydrates in Canada. CAN J CHEM ENG 2022. [DOI: 10.1002/cjce.24516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Samuel Mathews
- Department of Chemical Engineering McGill University Montréal Québec Canada
| | - Shaden Daghash
- Department of Chemical Engineering McGill University Montréal Québec Canada
| | - Alejandro Rey
- Department of Chemical Engineering McGill University Montréal Québec Canada
| | - Phillip Servio
- Department of Chemical Engineering McGill University Montréal Québec Canada
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6
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Piezo‐Elasticity
and Stability Limits of Monocrystal Methane Gas Hydrates:
Atomistic‐Continuum
Characterization. CAN J CHEM ENG 2022. [DOI: 10.1002/cjce.24433] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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7
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First-Principles Elastic and Anisotropic Characteristics of Structure-H Gas Hydrate under Pressure. CRYSTALS 2021. [DOI: 10.3390/cryst11050477] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Evaluating gas hydrates properties contributes valuably to their large-scale management and utilization in fundamental science and applications. Noteworthy, structure-H (sH) gas hydrate lacks a comprehensive characterization of its structural, mechanical, and anisotropic properties. Anisotropic and pressure dependent properties are crucial for gas hydrates’ detection and recovery studies. The objective of this work is the determination of pressure-dependent elastic constants and mechanical properties and the direction-dependent moduli of sH gas hydrates as a function of guest composition. First-principles DFT computations are used to evaluate the mechanical properties, anisotropy, and angular moduli of different sH gas hydrates under pressure. Some elastic constants and moduli increase more significantly with pressure than others. This introduces variations in sH gas hydrate’s incompressibility, elastic and shear resistance, and moduli anisotropy. Young’s modulus of sH gas hydrate is more anisotropic than its shear modulus. The anisotropy of sH gas hydrates is characterized using the unit cell elastic constants, anisotropy factors, and the angular dependent moduli. Structure-properties composition correlations are established as a function of pressure. It is found that compressing filled sH gas hydrates increases their moduli anisotropy. Differences in atomic bonding across a crystal’s planes can be expected in anisotropic structures. Taken together the DFT-based structure–properties–composition relations for sH gas hydrates provide novel and significant material physics results for technological applications.
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8
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Cabrera-Ramírez A, Arismendi-Arrieta DJ, Valdés Á, Prosmiti R. Exploring CO 2 @sI Clathrate Hydrates as CO 2 Storage Agents by Computational Density Functional Approaches. Chemphyschem 2021; 22:359-369. [PMID: 33368985 DOI: 10.1002/cphc.202001035] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Indexed: 12/21/2022]
Abstract
The formation of specific clathrate hydrates and their transformation at given thermodynamic conditions depends on the interactions between the guest molecule/s and the host water lattice. Understanding their structural stability is essential to control structure-property relations involved in different technological applications. Thus, the energetic aspects relative to CO2 @sI clathrate hydrate are investigated through the computation of the underlying interactions, dominated by hydrogen bonds and van der Waals forces, from first-principles electronic structure approaches. The stability of the CO2 @sI clathrate is evaluated by combining bottom-up and top-down approaches. Guest-free and CO2 guest-filled aperiodic cages, up to the gradually CO2 occupation of the entire sI periodic unit cells were considered. Saturation, cohesive and binding energies for the systems are determined by employing a variety of density functionals and their performance is assessed. The dispersion corrections on the non-covalent interactions are found to be important in the stabilization of the CO2 @sI energies, with the encapsulation of the CO2 into guest-free/empty cage/lattice being always an energetically favorable process for most of the functionals studied. The PW86PBE functional with XDM or D3(BJ) dispersion corrections predicts a lattice constant in accord to the experimental values available, and simultaneously provides a reliable description for the guest-host interactions in the periodic CO2 @sI crystal, as well as the energetics of its progressive single cage occupancy process. It has been found that the preferential orientation of the single CO2 in the large sI crystal cages has a stabilizing effect on the hydrate, concluding that the CO2 @sI structure is favored either by considering the individual building block cages or the complete sI unit cell crystal. Such benchmark and methodology cross-check studies benefit new data-driven model research by providing high-quality training information, with new insights that indicate the underlying factors governing their structure-driven stability, and triggering further investigations for controlling the stabilization of these promising long-term CO2 storage materials.
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Affiliation(s)
| | - Daniel J Arismendi-Arrieta
- Donostia International Physics Center (DIPC), Paseo Manuel de Lardizabal 4, 20018, Donostia-San Sebastián, Spain
| | - Álvaro Valdés
- Escuela de Física, Universidad Nacional de Colombia, Sede Medellín, A. A., 3840, Medellíın, Colombia
| | - Rita Prosmiti
- Institute of Fundamental Physics (IFF-CSIC), CSIC, Serrano 123, 28006, Madrid, Spain
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9
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Cabrera-Ramírez A, Yanes-Rodríguez R, Prosmiti R. Computational density-functional approaches on finite-size and guest-lattice effects in CO 2@sII clathrate hydrate. J Chem Phys 2021; 154:044301. [PMID: 33514100 DOI: 10.1063/5.0039323] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
We performed first-principles computations to investigate guest-host/host-host effects on the encapsulation of the CO2 molecule in sII clathrate hydrates from finite-size clusters up to periodic 3D crystal lattice systems. Structural and energetic properties were first computed for the individual and first-neighbors clathrate-like sII cages, where highly accurate ab initio quantum chemical methods are available nowadays, allowing in this way the assessment of the density functional (DFT) theoretical approaches employed. The performance of exchange-correlation functionals together with recently developed dispersion-corrected schemes was evaluated in describing interactions in both short-range and long-range regions of the potential. On this basis, structural relaxations of the CO2-filled and empty sII unit cells yield lattice and compressibility parameters comparable to experimental and previous theoretical values available for sII hydrates. According to these data, the CO2 enclathration in the sII clathrate cages is a stabilizing process, either by considering both guest-host and host-host interactions in the complete unit cell or only the guest-water energies for the individual clathrate-like sII cages. CO2@sII clathrates are predicted to be stable whatever the dispersion correction applied and in the case of single cage occupancy are found to be more stable than the CO2@sI structures. Our results reveal that DFT approaches could provide a good reasonable description of the underlying interactions, enabling the investigation of formation and transformation processes as a function of temperature and pressure.
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Affiliation(s)
| | | | - Rita Prosmiti
- Institute of Fundamental Physics (IFF-CSIC), CSIC, Serrano 123, 28006 Madrid, Spain
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10
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Daghash SM, Servio P, Rey AD. Elastic properties and anisotropic behavior of structure-H (sH) gas hydrate from first principles. Chem Eng Sci 2020. [DOI: 10.1016/j.ces.2020.115948] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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11
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Hassanpouryouzband A, Joonaki E, Vasheghani Farahani M, Takeya S, Ruppel C, Yang J, English NJ, Schicks JM, Edlmann K, Mehrabian H, Aman ZM, Tohidi B. Gas hydrates in sustainable chemistry. Chem Soc Rev 2020; 49:5225-5309. [DOI: 10.1039/c8cs00989a] [Citation(s) in RCA: 247] [Impact Index Per Article: 61.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
This review includes the current state of the art understanding and advances in technical developments about various fields of gas hydrates, which are combined with expert perspectives and analyses.
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Affiliation(s)
- Aliakbar Hassanpouryouzband
- Hydrates, Flow Assurance & Phase Equilibria Research Group
- Institute of GeoEnergy Engineering
- School of Energy
- Geoscience, Infrastructure and Society
- Heriot-Watt University
| | - Edris Joonaki
- Hydrates, Flow Assurance & Phase Equilibria Research Group
- Institute of GeoEnergy Engineering
- School of Energy
- Geoscience, Infrastructure and Society
- Heriot-Watt University
| | - Mehrdad Vasheghani Farahani
- Hydrates, Flow Assurance & Phase Equilibria Research Group
- Institute of GeoEnergy Engineering
- School of Energy
- Geoscience, Infrastructure and Society
- Heriot-Watt University
| | - Satoshi Takeya
- National Institute of Advanced Industrial Science and Technology (AIST)
- Tsukuba 305-8565
- Japan
| | | | - Jinhai Yang
- Hydrates, Flow Assurance & Phase Equilibria Research Group
- Institute of GeoEnergy Engineering
- School of Energy
- Geoscience, Infrastructure and Society
- Heriot-Watt University
| | - Niall J. English
- School of Chemical and Bioprocess Engineering
- University College Dublin
- Dublin 4
- Ireland
| | | | - Katriona Edlmann
- School of Geosciences
- University of Edinburgh
- Grant Institute
- Edinburgh
- UK
| | - Hadi Mehrabian
- Department of Chemical Engineering
- Massachusetts Institute of Technology
- Cambridge
- USA
| | - Zachary M. Aman
- Fluid Science & Resources
- School of Engineering
- University of Western Australia
- Perth
- Australia
| | - Bahman Tohidi
- Hydrates, Flow Assurance & Phase Equilibria Research Group
- Institute of GeoEnergy Engineering
- School of Energy
- Geoscience, Infrastructure and Society
- Heriot-Watt University
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12
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Daghash SM, Servio P, Rey AD. Structural properties of sH hydrate: a DFT study of anisotropy and equation of state. MOLECULAR SIMULATION 2019. [DOI: 10.1080/08927022.2019.1660326] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Shaden M. Daghash
- Department of Chemical Engineering, McGill University, Montréal, Canada
| | - Phillip Servio
- Department of Chemical Engineering, McGill University, Montréal, Canada
| | - Alejandro D. Rey
- Department of Chemical Engineering, McGill University, Montréal, Canada
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13
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Vlasic TM, Servio PD, Rey AD. THF Hydrates as Model Systems for Natural Gas Hydrates: Comparing Their Mechanical and Vibrational Properties. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.9b02698] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Thomas M. Vlasic
- Department of Chemical Engineering, McGill University, Montreal, Quebec H3A 0C5, Canada
| | - Phillip D. Servio
- Department of Chemical Engineering, McGill University, Montreal, Quebec H3A 0C5, Canada
| | - Alejandro D. Rey
- Department of Chemical Engineering, McGill University, Montreal, Quebec H3A 0C5, Canada
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14
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Vlasic TM, Servio PD, Rey AD. Infrared Spectra of Gas Hydrates from First-Principles. J Phys Chem B 2019; 123:936-947. [PMID: 30608166 DOI: 10.1021/acs.jpcb.8b10223] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
The infrared spectra of sII gas hydrates have been computed using density functional theory for the first time, at equilibrium, and under pressure. It is also the first account of a full vibrational analysis (both guest and host vibrations) for gas hydrates with hydrocarbon guest molecules. Five hydrate structures were investigated: empty, propane, isobutane, ethane-methane, and propane-methane sII hydrates. The computed IR spectra are in good agreement with available experimental and theoretical results. The OH stretching frequencies were found to increase, while the H-bond stretching and H2O libration frequencies decreased with an increase in guest size and cage occupancy and with a decrease in pressure. The H2O bending vibrations are relatively independent of guest size, cage occupancy, pressure, temperature, and crystal structure. The guest vibrational modes, especially the bending modes, also have minimal pressure dependence. We have also provided more quantitative evidence that gas hydrate material properties are defined by their hydrogen bond properties, by linking H-bond strength to Young's modulus. The results and ensuing vibrational analysis presented in this paper are a valuable contribution to the ongoing efforts into developing more accurate gas hydrate identification and characterization methods in the laboratory, in industry/nature, and even in outer space.
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Affiliation(s)
- Thomas M Vlasic
- Department of Chemical Engineering , McGill University , Montréal , QC , H3A 0C5 , Canada
| | - Phillip D Servio
- Department of Chemical Engineering , McGill University , Montréal , QC , H3A 0C5 , Canada
| | - Alejandro D Rey
- Department of Chemical Engineering , McGill University , Montréal , QC , H3A 0C5 , Canada
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15
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Proton disorder and elasticity of hexagonal ice and gas hydrates. J Mol Model 2019; 25:32. [DOI: 10.1007/s00894-018-3919-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Accepted: 12/26/2018] [Indexed: 10/27/2022]
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16
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Zong X, Cheng G, Qiu N, Huang Q, He J, Du S, Li Y. Structures and Mechanical Properties of CH4, SO2, and H2S Hydrates from Density Function Theory Calculations. CHEM LETT 2017. [DOI: 10.1246/cl.170333] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Xinxuan Zong
- School of Environmental Engineering, Northeast Forestry University, Harbin, Heilongjiang 150040, P. R. China
| | - Guoling Cheng
- School of Environmental Engineering, Northeast Forestry University, Harbin, Heilongjiang 150040, P. R. China
| | - Nianxiang Qiu
- Engineering Laboratory of Specialty Fibers and Nuclear Energy Materials, Ningbo Institute of Industrial Technology, Chinese Academy of Sciences, Ningbo, Zhejiang 315201, P. R. China
| | - Qing Huang
- Engineering Laboratory of Specialty Fibers and Nuclear Energy Materials, Ningbo Institute of Industrial Technology, Chinese Academy of Sciences, Ningbo, Zhejiang 315201, P. R. China
| | - Jian He
- Key Laboratory of Systems Biomedicine (Ministry of Education), Shanghai Center for Systems Biomedicine, Shanghai Jiao Tong University, 800 Dong chuan Road, Shanghai 200240, P. R. China
| | - Shiyu Du
- Engineering Laboratory of Specialty Fibers and Nuclear Energy Materials, Ningbo Institute of Industrial Technology, Chinese Academy of Sciences, Ningbo, Zhejiang 315201, P. R. China
| | - Yongfeng Li
- School of Environmental Engineering, Northeast Forestry University, Harbin, Heilongjiang 150040, P. R. China
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17
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Izquierdo-Ruiz F, Otero-de-la-Roza A, Contreras-García J, Prieto-Ballesteros O, Recio JM. Effects of the CO₂ Guest Molecule on the sI Clathrate Hydrate Structure. MATERIALS 2016; 9:ma9090777. [PMID: 28773898 PMCID: PMC5457105 DOI: 10.3390/ma9090777] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/11/2016] [Revised: 08/15/2016] [Accepted: 09/08/2016] [Indexed: 12/25/2022]
Abstract
This paper analyzes the structural, energetic and mechanical properties of carbon dioxide hydrate clathrates calculated using finite cluster and periodic ab initio density-functional theory methodologies. Intermolecular interactions are described by the exchange-hole dipole moment method. The stability, gas saturation energetics, guest–host interactions, cage deformations, vibrational frequencies, and equation of state parameters for the low-pressure sI cubic phase of the CO2@H2O clathrate hydrate are presented. Our results reveal that: (i) the gas saturation process energetically favors complete filling; (ii) carbon dioxide molecules prefer to occupy the larger of the two cages in the sI structure; (iii) blue shifts occur in both the symmetric and antisymmetric stretching frequencies of CO2 upon encapsulation; and (iv) free rotation of guest molecules is restricted to a plane parallel to the hexagonal faces of the large cages. In addition, we calculate the librational frequency of the hindered rotation of the guest molecule in the plane perpendicular to the hexagonal faces. Our calculated spectroscopic data can be used as signatures for the detection of clathrate hydrates in planetary environments.
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Affiliation(s)
- Fernando Izquierdo-Ruiz
- Departamento de Química Física y Analítica, Universidad de Oviedo, Oviedo 33006, Spain.
- Centro de Astrobiología (INTA-CSIC), Torrejón de Ardoz 28850, Spain.
- Laboratoire de Chimie Théorique, CNRS & Université Pierre et Marie Curie, Sorbonne Universités, Paris 75005, France.
| | | | - Julia Contreras-García
- Laboratoire de Chimie Théorique, CNRS & Université Pierre et Marie Curie, Sorbonne Universités, Paris 75005, France.
| | | | - Jose Manuel Recio
- Departamento de Química Física y Analítica, Universidad de Oviedo, Oviedo 33006, Spain.
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18
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Jendi ZM, Servio P, Rey AD. Ab initio modelling of methane hydrate thermophysical properties. Phys Chem Chem Phys 2016; 18:10320-8. [DOI: 10.1039/c5cp06530e] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Using density functional theory, the second-order elastic constants, heat capacity, compressibility, and thermal expansion coefficient of methane hydrate were calculated.
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Affiliation(s)
- Z. M. Jendi
- Department of Chemical Engineering
- McGill University
- Montreal
- Canada
| | - P. Servio
- Department of Chemical Engineering
- McGill University
- Montreal
- Canada
| | - A. D. Rey
- Department of Chemical Engineering
- McGill University
- Montreal
- Canada
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19
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Ning FL, Glavatskiy K, Ji Z, Kjelstrup S, H. Vlugt TJ. Compressibility, thermal expansion coefficient and heat capacity of CH4 and CO2 hydrate mixtures using molecular dynamics simulations. Phys Chem Chem Phys 2015; 17:2869-83. [DOI: 10.1039/c4cp04212c] [Citation(s) in RCA: 66] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Understanding the thermal and mechanical properties of CH4 and CO2 hydrates is essential for the replacement of CH4 with CO2 in natural hydrate deposits as well as for CO2 sequestration and storage.
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Affiliation(s)
- F. L. Ning
- Faculty of Engineering
- China University of Geosciences
- Wuhan
- China
| | - K. Glavatskiy
- School of Applied Sciences
- RMIT University
- Melbourne VIC 3001
- Australia
| | - Z. Ji
- Faculty of Materials Science and Chemistry
- China University of Geosciences
- Wuhan
- China
| | - S. Kjelstrup
- Department of Chemistry
- Norwegian University of Science and Technology
- 7491-Trondheim
- Norway
- Process & Energy Laboratory
| | - T. J. H. Vlugt
- Process & Energy Laboratory
- Delft University of Technology
- Delft
- The Netherlands
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