EPR study of highly stable methyl radicals trapped in synthetic H-rho zeolite

Nukleonika

Volumn 50, Issue SUPPL. 2, 2005, Pages

  Danilczuk, Marek ^a,b   Sadło, Jarosław ^a   Lund, Anders ^b   Yamada, Hirohisa ^c   Michalik, Jacek ^a  

^a INSTITUTE OF NUCLEAR CHEMISTRY AND TECHNOLOGY   (Poland)

^b LINKÖPING UNIVERSITY   (Sweden)

^c NATIONAL INSTITUTE FOR MATERIALS SCIENCE   (Japan)

Author keywords

EPR; Methyl radicals; Radiolysis; Zeolite rho

Indexed keywords

EID: 33645967462     PISSN: 00295922     EISSN: 15085791     Source Type: Journal    
DOI: None     Document Type: Conference Paper

References (23)

1. 4 with z zeolite model. J Phys Chem 98:1421-1426
2. Fessenden RW, Schuler RH (1963) Electron spin resonance studies of transient alkyl radicals. J Chem Phys 39:2147-2195
3. Gameson I, Rayment T, Thomas JM, Wright PA (1998) Studies of model zeolitic catalysts: determination of the site of adsorption of methyl chloride sorbed in zeolite rho by powder X-ray diffraction. J Phys Chem 92:988-991
4. Garcia H, Roth HD (2002) Generation and reactions of organic radical cations in zeolites. Chem Rev 102:3947-4007
5. 4 in xenon matrixes. J Phys Chem 85:1326-1332
6. Jen CK, Foner SN, Cochran EL, Bowers VA (1958) Electron spin resonance of atomic and molecular free radicals trapped at liquid helium temperature. Phys Rev 112:1169-1182
7. Joppien GR, Willard JE (1972) Further studies of chemical reactions on γ-irradiated silica gel and porous vycor glass. J Phys Chem 78:3158-3166
8. Kasai PH (1972) Electron spin resonance studies of vinyl, propargyl, and butatrienyl radicals isolated in argon matrixes. J Am Chem Soc 94:5950-5956
9. Kasai PH, Whipple EB (1967) Orientation and motion of vinyl radicals in neon matrices. J Am Chem Soc 89:1033-1034
10. Kramer GJ, van Santen RA, Emeis CA, Nowak AK (1993) Understanding the acid behaviour of zeolites from theory and experiment. Nature 363:529-531
11. 2 in malonic amid. J Am Chem Soc 82:766-775
12. 3. J Chem Phys 45:1751-1758
13. Robson HE, Shoemaker DP, Ogilvie RE, Manor PC (1973) Synthesis and crystal structure of zeolite Rho-A new zeolite related to Linde type A. Advances in Chemistry Series vol. 121, pp 106-115
14. 4 by resonance charge transfer at 77 K. J Chem Phys 44:2369-2374
15. Shiga T, Lund A (1973) g Factor and hyperfine coupling anisotropy in the electron spin resonance spectra of methyl-, ethyl-, and allyl-type radicals adsorbed on silica gel. J Phys Chem 77:453-455
16. Shiotani M, Yuasa F, Sohma J (1975) Electron spin resonance studies of methyl radicals trapped on 4A type zeolite. J Phys Chem 75:2669-2674
17. Toriyama K, Nunome K, Iwasaki M (1982) Structure and reactions of radical cations of some prototype alkenes in low temperature solids as studied by ESR spectroscopy. J Chem Phys 77:5894-5912
18. Trifunac AD, Picos EA, Werst DW, Eriksson LA (1996) Radical ions of acetylene in ZSM5 zeolites: An EPR and theoretical study. J Phys Chem 100:8408-8417
19. van Ballmoos R (1984) Collection of simulated XRD powder diffraction patterns for zeolites. Butterworth Scientific Limited, Guildford
20. Vollmer JM, Truong TN (2000) Mechanisms of hydrogen exchange of methane with H-zeolite Y: An ab initio embedded cluster study. J Phys Chem B 104:6308-6312
21. Wang T, Williams F (1980) EPR evidence for the formation of the hexamethylethane radical cation by charge transfer in a freon matrix. J Phys Chem 84:3156-3159
22. Yoshizawa K, Shiota Y, Yumura T, Yamabe T (2000) Direct methane-methanol and benzene-phenol conversions on Fe-ZSM-5 zeolite: theoretical predictions on the reaction pathways and energetics J Phys Chem B 104:734-740
23. Zhu Z, Hartmann M, Kevan L (2000) Catalytic conversion of methanol to olefins on SAPO-n (n=11, 34, and 35), CrAPSO-n, and Cr-SAPO-n molecular. SievesChem Mater 12:2781-2787