Guest-guest and guest-host interactions in ethanol, propan-1-ol, and propan-2-ol clathrate hydrate forming systems

Keita Yasuda; Ryo Ohmura; Amadeu K. Sum

doi:10.1039/c8nj00750k

Guest-guest and guest-host interactions in ethanol, propan-1-ol, and propan-2-ol clathrate hydrate forming systems

Keita Yasuda, Ryo Ohmura, Amadeu K. Sum

Department of Mechanical Engineering

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

3 Citations (Scopus)

Abstract

In the present study, Raman spectroscopic measurements were performed using clathrate hydrate samples composed of ethanol, propan-1-ol, or propan-2-ol + deuterated methane + deuterium oxide. The temperature of the samples was stepwise increased from 93 K to 263 K in steps of 10 K or 20 K to decompose the clathrate hydrate samples during the measurements. The Raman spectra of the alcohols + deuterated methane hydrate sample in the C-H symmetric vibration region were similar to that of pure vapor alcohols, which indicates the weak guest alcohol-host water interaction although alcohols are hydrophilic compounds. In the propan-2-ol + deuterated methane + deuterium oxide system, the formation of two compounds having different composition from structure II propan-2-ol + deuterated methane clathrate hydrate was observed.

Original language	English
Pages (from-to)	7364-7370
Number of pages	7
Journal	New Journal of Chemistry
Volume	42
Issue number	9
DOIs	https://doi.org/10.1039/c8nj00750k
Publication status	Published - 2018

ASJC Scopus subject areas

Catalysis
Chemistry(all)
Materials Chemistry

Access to Document

10.1039/c8nj00750k

Cite this

@article{8ec31031ae864f3d907be4ab87564ce3,

title = "Guest-guest and guest-host interactions in ethanol, propan-1-ol, and propan-2-ol clathrate hydrate forming systems",

abstract = "In the present study, Raman spectroscopic measurements were performed using clathrate hydrate samples composed of ethanol, propan-1-ol, or propan-2-ol + deuterated methane + deuterium oxide. The temperature of the samples was stepwise increased from 93 K to 263 K in steps of 10 K or 20 K to decompose the clathrate hydrate samples during the measurements. The Raman spectra of the alcohols + deuterated methane hydrate sample in the C-H symmetric vibration region were similar to that of pure vapor alcohols, which indicates the weak guest alcohol-host water interaction although alcohols are hydrophilic compounds. In the propan-2-ol + deuterated methane + deuterium oxide system, the formation of two compounds having different composition from structure II propan-2-ol + deuterated methane clathrate hydrate was observed.",

author = "Keita Yasuda and Ryo Ohmura and Sum, {Amadeu K.}",

note = "Funding Information: The authors would like to thank a Grant-in-Aid for Scientific Research for Japan Society for the Promotion of Science (Grant No. 223623), by a Grant-in-Aid for JSPS fellows and by a Grant-in-Aid for the Global Center of Excellent Program for {\textquoteleft}{\textquoteleft}Center for Education and Research of Symbiotic, Safe and Secure System Design{\textquoteright}{\textquoteright} from the Ministry of Education, Culture, Sport, and Technology in Japan. Publisher Copyright: {\textcopyright} 2018 The Royal Society of Chemistry and the Centre National de la Recherche Scientifique.",

year = "2018",

doi = "10.1039/c8nj00750k",

language = "English",

volume = "42",

pages = "7364--7370",

journal = "New Journal of Chemistry",

issn = "1144-0546",

publisher = "Royal Society of Chemistry",

number = "9",

}

TY - JOUR

T1 - Guest-guest and guest-host interactions in ethanol, propan-1-ol, and propan-2-ol clathrate hydrate forming systems

AU - Yasuda, Keita

AU - Ohmura, Ryo

AU - Sum, Amadeu K.

N1 - Funding Information: The authors would like to thank a Grant-in-Aid for Scientific Research for Japan Society for the Promotion of Science (Grant No. 223623), by a Grant-in-Aid for JSPS fellows and by a Grant-in-Aid for the Global Center of Excellent Program for ‘‘Center for Education and Research of Symbiotic, Safe and Secure System Design’’ from the Ministry of Education, Culture, Sport, and Technology in Japan. Publisher Copyright: © 2018 The Royal Society of Chemistry and the Centre National de la Recherche Scientifique.

PY - 2018

Y1 - 2018

N2 - In the present study, Raman spectroscopic measurements were performed using clathrate hydrate samples composed of ethanol, propan-1-ol, or propan-2-ol + deuterated methane + deuterium oxide. The temperature of the samples was stepwise increased from 93 K to 263 K in steps of 10 K or 20 K to decompose the clathrate hydrate samples during the measurements. The Raman spectra of the alcohols + deuterated methane hydrate sample in the C-H symmetric vibration region were similar to that of pure vapor alcohols, which indicates the weak guest alcohol-host water interaction although alcohols are hydrophilic compounds. In the propan-2-ol + deuterated methane + deuterium oxide system, the formation of two compounds having different composition from structure II propan-2-ol + deuterated methane clathrate hydrate was observed.

AB - In the present study, Raman spectroscopic measurements were performed using clathrate hydrate samples composed of ethanol, propan-1-ol, or propan-2-ol + deuterated methane + deuterium oxide. The temperature of the samples was stepwise increased from 93 K to 263 K in steps of 10 K or 20 K to decompose the clathrate hydrate samples during the measurements. The Raman spectra of the alcohols + deuterated methane hydrate sample in the C-H symmetric vibration region were similar to that of pure vapor alcohols, which indicates the weak guest alcohol-host water interaction although alcohols are hydrophilic compounds. In the propan-2-ol + deuterated methane + deuterium oxide system, the formation of two compounds having different composition from structure II propan-2-ol + deuterated methane clathrate hydrate was observed.

UR - http://www.scopus.com/inward/record.url?scp=85046251045&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85046251045&partnerID=8YFLogxK

U2 - 10.1039/c8nj00750k

DO - 10.1039/c8nj00750k

M3 - Article

AN - SCOPUS:85046251045

SN - 1144-0546

VL - 42

SP - 7364

EP - 7370

JO - New Journal of Chemistry

JF - New Journal of Chemistry

IS - 9

ER -

Guest-guest and guest-host interactions in ethanol, propan-1-ol, and propan-2-ol clathrate hydrate forming systems

Abstract

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Cite this