Spectroscopic identification and conversion rate of gaseous guest-loaded hydroquinone clathrates

Jong Won Lee; Ki Jong Choi; Yongjae Lee; Ji Ho Yoon

doi:10.1016/j.cplett.2012.01.033

Spectroscopic identification and conversion rate of gaseous guest-loaded hydroquinone clathrates

Jong Won Lee, Ki Jong Choi, Yongjae Lee, Ji Ho Yoon

Research output: Contribution to journal › Article › peer-review

22 Citations (Scopus)

Abstract

The formation of hydroquinone clathrates with CO ₂, CH ₄, N ₂, and H ₂ was investigated using X-ray diffraction, Raman spectroscopy, and solid-state ¹³C NMR spectroscopy. Of the hydroquinones prepared at 5.0 MPa, the CH ₄- and CO ₂-loaded hydroquinones show complete conversion to β-form hydroquinone clathrates while the N ₂-loaded hydroquinone shows only partial conversion; there is no indication of the formation of hydroquinone clathrate with H ₂. The CO ₂-loaded hydroquinone is fully converted to the β-form hydroquinone clathrate even at 1.0 MPa. Solid-state ¹³C NMR measurements of the hydroquinone clathrate samples prepared at different pressures reveal that the conversion rate for the formation of clathrate compounds from CH ₄ and N ₂ decreases with decreasing pressure.

Original language	English
Pages (from-to)	34-38
Number of pages	5
Journal	Chemical Physics Letters
Volume	528
DOIs	https://doi.org/10.1016/j.cplett.2012.01.033
Publication status	Published - 2012 Mar 1

Bibliographical note

Funding Information:
This research was supported by the Mid-career Researcher Program through an NRF Grant funded by the MEST (No. 2008-0061974 ), and also by the National Research Foundation of Korea Grant funded by the Korean Government ( 331-2008-1-D00112 ; 2010-0007026 ).

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)
Physical and Theoretical Chemistry

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10.1016/j.cplett.2012.01.033

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title = "Spectroscopic identification and conversion rate of gaseous guest-loaded hydroquinone clathrates",

abstract = "The formation of hydroquinone clathrates with CO 2, CH 4, N 2, and H 2 was investigated using X-ray diffraction, Raman spectroscopy, and solid-state 13C NMR spectroscopy. Of the hydroquinones prepared at 5.0 MPa, the CH 4- and CO 2-loaded hydroquinones show complete conversion to β-form hydroquinone clathrates while the N 2-loaded hydroquinone shows only partial conversion; there is no indication of the formation of hydroquinone clathrate with H 2. The CO 2-loaded hydroquinone is fully converted to the β-form hydroquinone clathrate even at 1.0 MPa. Solid-state 13C NMR measurements of the hydroquinone clathrate samples prepared at different pressures reveal that the conversion rate for the formation of clathrate compounds from CH 4 and N 2 decreases with decreasing pressure.",

author = "Lee, {Jong Won} and Choi, {Ki Jong} and Yongjae Lee and Yoon, {Ji Ho}",

note = "Funding Information: This research was supported by the Mid-career Researcher Program through an NRF Grant funded by the MEST (No. 2008-0061974 ), and also by the National Research Foundation of Korea Grant funded by the Korean Government ( 331-2008-1-D00112 ; 2010-0007026 ).",

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doi = "10.1016/j.cplett.2012.01.033",

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AU - Lee, Jong Won

AU - Choi, Ki Jong

AU - Lee, Yongjae

AU - Yoon, Ji Ho

N1 - Funding Information: This research was supported by the Mid-career Researcher Program through an NRF Grant funded by the MEST (No. 2008-0061974 ), and also by the National Research Foundation of Korea Grant funded by the Korean Government ( 331-2008-1-D00112 ; 2010-0007026 ).

PY - 2012/3/1

Y1 - 2012/3/1

N2 - The formation of hydroquinone clathrates with CO 2, CH 4, N 2, and H 2 was investigated using X-ray diffraction, Raman spectroscopy, and solid-state 13C NMR spectroscopy. Of the hydroquinones prepared at 5.0 MPa, the CH 4- and CO 2-loaded hydroquinones show complete conversion to β-form hydroquinone clathrates while the N 2-loaded hydroquinone shows only partial conversion; there is no indication of the formation of hydroquinone clathrate with H 2. The CO 2-loaded hydroquinone is fully converted to the β-form hydroquinone clathrate even at 1.0 MPa. Solid-state 13C NMR measurements of the hydroquinone clathrate samples prepared at different pressures reveal that the conversion rate for the formation of clathrate compounds from CH 4 and N 2 decreases with decreasing pressure.

AB - The formation of hydroquinone clathrates with CO 2, CH 4, N 2, and H 2 was investigated using X-ray diffraction, Raman spectroscopy, and solid-state 13C NMR spectroscopy. Of the hydroquinones prepared at 5.0 MPa, the CH 4- and CO 2-loaded hydroquinones show complete conversion to β-form hydroquinone clathrates while the N 2-loaded hydroquinone shows only partial conversion; there is no indication of the formation of hydroquinone clathrate with H 2. The CO 2-loaded hydroquinone is fully converted to the β-form hydroquinone clathrate even at 1.0 MPa. Solid-state 13C NMR measurements of the hydroquinone clathrate samples prepared at different pressures reveal that the conversion rate for the formation of clathrate compounds from CH 4 and N 2 decreases with decreasing pressure.

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DO - 10.1016/j.cplett.2012.01.033

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VL - 528

SP - 34

EP - 38

JO - Chemical Physics Letters

JF - Chemical Physics Letters

SN - 0009-2614

ER -

Spectroscopic identification and conversion rate of gaseous guest-loaded hydroquinone clathrates

Abstract

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