Structural stability of methane hydrate at high pressures

Shu, Jinfu; Chen, Xiaojia; Chou, I. -Ming; Yang, Wenge; Hu, Jingzhu; Hemley, Russell J.; Mao, Ho-kwang

doi:10.1016/j.gsf.2010.12.001

Title: Structural stability of methane hydrate at high pressures

Authors:: Shu, Jinfu; Chen, Xiaojia; Chou, I. -Ming; Yang, Wenge; Hu, Jingzhu; Hemley, Russell J.; Mao, Ho-kwang

Publication Date:: Sat Jan 01 00:00:00 EST 2011

Sponsoring Org.:: USDOE

OSTI Identifier:: 1209445

Resource Type:: Published Article

Journal Name:: Geoscience Frontiers

Additional Journal Information:: Journal Name: Geoscience Frontiers Journal Volume: 2 Journal Issue: 1; Journal ID: ISSN 1674-9871

Publisher:: Elsevier

Country of Publication:: Netherlands

Language:: English

Citation Formats


                    Shu, Jinfu, Chen, Xiaojia, Chou, I. -Ming, Yang, Wenge, Hu, Jingzhu, Hemley, Russell J., and Mao, Ho-kwang. Structural stability of methane hydrate at high pressures.  Netherlands: N. p., 2011. 
Web.  doi:10.1016/j.gsf.2010.12.001.

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                    Shu, Jinfu, Chen, Xiaojia, Chou, I. -Ming, Yang, Wenge, Hu, Jingzhu, Hemley, Russell J., & Mao, Ho-kwang. Structural stability of methane hydrate at high pressures.  Netherlands.  https://doi.org/10.1016/j.gsf.2010.12.001

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                    Shu, Jinfu, Chen, Xiaojia, Chou, I. -Ming, Yang, Wenge, Hu, Jingzhu, Hemley, Russell J., and Mao, Ho-kwang. Sat .  
"Structural stability of methane hydrate at high pressures".  Netherlands.  https://doi.org/10.1016/j.gsf.2010.12.001.

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@article{osti_1209445,

  title        = {Structural stability of methane hydrate at high pressures},

  author       = {Shu, Jinfu and Chen, Xiaojia and Chou, I. -Ming and Yang, Wenge and Hu, Jingzhu and Hemley, Russell J. and Mao, Ho-kwang},

  abstractNote = {},

  doi          = {10.1016/j.gsf.2010.12.001},

  journal      = {Geoscience Frontiers},

  number       = 1,

  volume       = 2,

  place        = {Netherlands},

  year         = {Sat Jan 01 00:00:00 EST 2011},

  month        = {Sat Jan 01 00:00:00 EST 2011}

}

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Works referenced in this record:

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journal, September 1996

Stern, L. A.; Kirby, S. H.; Durham, W. B.
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Somayazulu, Maddury; Shu, Jinfu; Zha, Chang-sheng
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Methane Hydrate Behavior under High Pressure
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Hirai, Hisako; Kondo, Tadashi; Hasegawa, Masashi
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Chou, I-M.; Sharma, A.; Burruss, R. C.
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Fei, Yingwei; Mao, Ho‐kwang; Hemley, Russell J.
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Diamond-Anvil Cell Observations of a New Methane Hydrate Phase in the 100-MPa Pressure Range
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Chou, I-Ming; Sharma, Anurag; Burruss, Robert C.
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High-pressure structures of methane hydrate observed up to 8 GPa at room temperature
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Hirai, H.; Uchihara, Y.; Fujihisa, H.
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X-ray-Induced Dissociation of H2O and Formation of an O2-H2 Alloy at High Pressure
journal, October 2006

Mao, W. L.; Mao, H. -k.; Meng, Y.
Science, Vol. 314, Issue 5799
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Hydrogen Clusters in Clathrate Hydrate
journal, September 2002

Mao, W. L.
Science, Vol. 297, Issue 5590
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Structural stability of methane hydrate at high pressures

Journal Article Shu, Jinfu ; Chen, Xiaojia ; Chou, I. -Ming ; ... - Geoscience Frontiers
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Structure Stability of Methane Hydrate at High Pressures

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The structural stability of methane hydrate under pressure at room temperature was examined by both in-situ single-crystal and powder X-ray diffraction techniques on samples with structure types I, II, and H in diamond-anvil cells. The diffraction data for types II (sII) and H (sH) were refined to the known structures with space groups Fd3m and P6{sub 3}/mmc, respectively. Upon compression, sI methanehydrate transforms to the sII phase at 120 MPa, and then to the sH phase at 600 MPa. The sII methanehydrate was found to coexist locally with sI phase up to 500 MPa and with sH phase up tomore »« less
https://doi.org/10.1016/j.gsf.2010.12.001
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The structural stability of methane hydrate under pressure at room temperature was examined by both in-situ single-crystal and powder X-ray diffraction techniques on samples with structure types I, II, and H in diamond-anvil cells. The diffraction data for types II (sII) and H (sH) were refined to the known structures with space groups Fd3m and P6{sub 3}/mmc, respectively. Upon compression, sI methane hydrate transforms to the sII phase at 120 MPa, and then to the sH phase at 600 MPa. The sII methane hydrate was found to coexist locally with sI phase up to 500 MPa and with sH phasemore »« less
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Cage occupancies in the high pressure structure H methane hydrate: A neutron diffraction study

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A neutron diffraction study was performed on the CD4 : D2O structure H clathrate hydrate to refine its CD4 fractional cage occupancies. Samples of ice VII and hexagonal (sH) methane hydrate were produced in a Paris–Edinburgh press and in situ neutron diffraction data collected. The data were analyzed with the Rietveld method and yielded average cage occupancies of 3.1 CD4 molecules in the large 20-hedron (51268) cages of the hydrate unit cell. Each of the pentagonal dodecahedron (512) and 12-hedron (435663) cages in the sH unit cell are occupied with on average 0.89 and 0.90 CD4 molecules, respectively. This experimentmore »« less
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Similar Records

Title: Structural stability of methane hydrate at high pressures

Citation Formats

Peculiarities of Methane Clathrate Hydrate Formation and Solid-State Deformation, Including Possible Superheating of Water Ice journal, September 1996

In situ high-pressure x-ray diffraction study of H2O ice VII journal, February 2008

Methane Hydrate Behavior under High Pressure journal, February 2000

Transformations in methane hydrates journal, November 2000

Methane hydrate — A major reservoir of carbon in the shallow geosphere? journal, December 1988

In Situ Observations of a High-Pressure Phase of H2O Ice journal, August 1998

A new clathrate hydrate structure journal, January 1987

Thermal expansivity, bulk modulus, and melting curve of H 2 O–ice VII to 20 GPa journal, October 1993

Diamond-Anvil Cell Observations of a New Methane Hydrate Phase in the 100-MPa Pressure Range journal, May 2001

High-pressure structures of methane hydrate observed up to 8 GPa at room temperature journal, October 2001

Structure and compression of crystalline methane at high pressure and room temperature journal, August 1980

X-ray-Induced Dissociation of H2O and Formation of an O2-H2 Alloy at High Pressure journal, October 2006

Hydrogen Clusters in Clathrate Hydrate journal, September 2002

Peculiarities of Methane Clathrate Hydrate Formation and Solid-State Deformation, Including Possible Superheating of Water Ice
journal, September 1996

In situ high-pressure x-ray diffraction study of H2O ice VII
journal, February 2008

Methane Hydrate Behavior under High Pressure
journal, February 2000

Transformations in methane hydrates
journal, November 2000

Methane hydrate — A major reservoir of carbon in the shallow geosphere?
journal, December 1988

In Situ Observations of a High-Pressure Phase of H2O Ice
journal, August 1998

A new clathrate hydrate structure
journal, January 1987

Thermal expansivity, bulk modulus, and melting curve of H ₂ O–ice VII to 20 GPa
journal, October 1993

Diamond-Anvil Cell Observations of a New Methane Hydrate Phase in the 100-MPa Pressure Range
journal, May 2001

High-pressure structures of methane hydrate observed up to 8 GPa at room temperature
journal, October 2001

Structure and compression of crystalline methane at high pressure and room temperature
journal, August 1980

X-ray-Induced Dissociation of H2O and Formation of an O2-H2 Alloy at High Pressure
journal, October 2006

Hydrogen Clusters in Clathrate Hydrate
journal, September 2002