13C and 1H MAS NMR Study of Benzene and <i>p</i>-Xylene in Zeolites and a Mesoporous Material FSM-16
-
- Satozawa Masatoshi
- Institute of Materials Science, University of Tsukuba
-
- Kunimori Kimio
- Institute of Materials Science, University of Tsukuba
-
- Hayashi Shigenobu
- National Institute of Materials and Chemical Research
書誌事項
- タイトル別名
-
- 13C and 1HMAS NMR Study of Benzene and p-Xylene in Zeolites and a Mesoporous Material FSM-16.
- 13C and 1H MAS NMR Study of Benzene and
この論文をさがす
抄録
13C and 1H MAS NMR spectra have been measured at room temperature for benzene and p-xylene adsorbed in H-ZSM-5, Na-, and H-type mordenites with different Si/Al2 ratios, H-Y, Na-Y, Na-X, and FSM-16 to study the dynamics of the guest species in the host materials. The second moments M2 evaluated from the SSB intensity in 13C CP/MAS NMR spectra were used to predict the motion of the guest species. Benzene molecules rotate about the C6 axis freely, and reorientation of the C6 axis takes place in H-ZSM-5. The para axis of p-xylene molecule is fixed in H-ZSM-5. The reorientations of the guest species become isotropic in the faujasite-type zeolites, Na-Y, H-Y, and Na-X. In FSM-16, translation diffusion takes place in addition to the isotropic rotation like in the liquid state. The mobilities of benzene molecules are in the following order, mordenite < H-ZSM-5 < Na-Y < Na-X < H-Y < FSM-16, while those of p-xylene molecules are in the following order. H-ZSM-5 < mordenite < Na-Y < Na-X ≈ H-Y < FSM-16. There is a good correlation between the pore size and the mobility of the guest species, with the exception of the mordenite/benzene systems.
収録刊行物
-
- Bulletin of the Chemical Society of Japan
-
Bulletin of the Chemical Society of Japan 70 (1), 97-105, 1997
公益社団法人 日本化学会
- Tweet
キーワード
詳細情報 詳細情報について
-
- CRID
- 1390001204122606080
-
- NII論文ID
- 130004149658
- 10008914756
-
- NII書誌ID
- AA00580132
-
- ISSN
- 13480634
- 00092673
-
- NDL書誌ID
- 4142519
-
- 本文言語コード
- en
-
- データソース種別
-
- JaLC
- NDL
- Crossref
- CiNii Articles
-
- 抄録ライセンスフラグ
- 使用不可