|
Localizing active sites in zeolitic catalysts: neutron powder profile analysis and computer simulation of deuteropyridine bound to gallozeolite-L Paul A. Wright*, John M. Thomas*‡, Anthony K. Cheetham†‡ & Andreas K. Nowak†
*Department of Physical Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EP, UK
†Chemical Crystallography Laboratory, University of Oxford, Parks Road, Oxford OX1 3PD, UK
‡To whom correspondence should be addressed.
The location of a guest organic base within a model zeolitic catalyst can be quantitatively determined from an analysis of the neutron powder diffraction profile. The calculated position and orientation of the guest species within the channel agree well with the experimental values.
References
| 1. |
Evans, P. R., Farrants, G. W. & Hudson, P. J. Phil. Trans. R. Soc. B293, 53−71 (1981). | ISI | ChemPort | |
| 2. |
Perutz, M. F. New Scient., 12−16 (13 June 1985). | ChemPort | |
| 3. |
Barrer, R. M. Hydrothermal Synthesis of Zeolites (Academic, New York, 1982). |
| 4. |
Barrer, R. M. Proc. 6th int. Zeolite Conf., Reno, 1983 (eds Olson, D. & Bisio, A.) 17 (Butterworths, London 1984). |
| 5. |
Gabelica, Z., Nagy, J. B., Deleras, G. & Derouane, E. G. in Proc. 6th int. Zeolite Conf., Reno, 1983 (eds Olson, D. & Bisio, A.) 914−921 (Butterworths, London, 1984). | ChemPort | |
| 6. |
Thomas, J. M., Millward, G. R. & Bursill, L. A. Phil. Trans. R. Soc. A300, 43−49 (1981). | ISI | ChemPort | |
| 7. |
Thomas, J. M., Audier, M., Millward, G. R., Ramdas, S. & Bursill, L. A. Discuss. Faraday Soc. 72, 346−352 (1981). |
| 8. |
Thomas, J. M. Ultramicroscopy 8, 13−26 (1982). | Article | ISI | ChemPort | |
| 9. |
Thomas, J. M. Proc. 8th int. Congr. Catalysis, Berlin, Vol. 1, 31−62 (Verlag-Chemie, Weinheim, 1984). |
| 10. |
Terasaki, O., Millward, G. R. & Thomas, J. M. Proc. R. Soc. A395, 153−164 (1985). | ISI | |
| 11. |
Millward, G. R., Ramdas, S. & Thomas, J. M. Proc. R. Soc. A399, 57−71 (1985). | ISI | ChemPort | |
| 12. |
Catlow, C. R. A., Thomas, J. M., Parker, S. C. & Jefferson, D. A. Nature 295, 658−662 (1982). | ISI | ChemPort | |
| 13. |
Catlow, C. R. A. in Proc. 6th int. Zeolite Conf., Reno, 1983 (eds Olson, D. & Bisio, A.) 131−140 (Butterworths, London, 1984). |
| 14. |
Lippmaa, E., Magi, M., Samoson, A., Engelhardt, G. & Grimmer, A. R. J. Am. chem. Soc. 102, 4889−4996 (1980). | ISI | ChemPort | |
| 15. |
Ramdas, S., Thomas, J. M., Klinowski, J., Fyfe, C. A. & Hartman, J. S. Nature 292, 228−230 (1981). | ISI | ChemPort | |
| 16. |
Klinowski, J., Thomas, J. M., Fyfe, C. A. & Gobbi, G. C. Nature 296, 533−536 (1982). | ISI | ChemPort | |
| 17. |
Fyfe, C. A., Thomas, J. M., Klinowski, J. & Gobbi, G. C. Angew. Chem. int. Edn Engl. 22, 257−273 (1983). | Article | |
| 18. |
Rietveld, H. M. J. appl. Crystallogr. 2, 65−72 (1969). | Article | ISI | ChemPort | |
| 19. |
Cheetham, A. K. & Taylor, J. C. J. Solid St. Chem. 21, 253−259.(1977). | Article | ISI | ChemPort | |
| 20. |
Cheetham, A. K., Thomas, J. M., Eddy, M. M. & Jefferson, D. A. Nature 299, 24 (1982). | ISI | ChemPort | |
| 21. |
Cheetham, A. K., Thomas, J. M. & Eddy, M. M. JCS chem. Commun, 1337−1390 (1984). | Article | ChemPort | |
| 22. |
Wright, P. A., Thomas, J. M., Ramdas, S. & Cheetham, A. K. JCS chem. Commun. 1338−1341 (1984). | Article | ChemPort | |
| 23. |
McCusker, L. Zeolites 4, 51 (1983). | Article | ISI | |
| 24. |
Wright, P. A., Thomas, J. M., Millward, G. R., Ramdas, S. & Barri, S. A. I. JCS chem. Commun 1117−1119 (1985). | Article | ChemPort | |
| 25. |
Adams, J. M. & Haseldon, D. A. J. Solid St. Chem. 55, 209−214 (1984). | Article | ISI | ChemPort | |
| 26. |
Fitch, A. N., Jobic, H. & Renouprez, A. JCS chem. Commun., 284−287 (1985). | Article | ChemPort | |
| 27. |
Anderson, J. R., Foger, K., Mole, T., Rajadhyakasha, R. A. & Sanders, J. V. J. Catal. 58, 114−131 (1982). | Article | |
| 28. |
Barrer, R. M. & Villiger, H. Z. Kristallogr. Kristallgeom. 128, 352−361 (1969). | ISI | ChemPort | |
| 29. |
Bacon, G. E. Acta crystattogr A28, 357−362 (1972). | Article | ChemPort | |
| 30. |
Ono, Y., Kareko, M., Takayanagi, H. & Keii, T. JCS Faraday Trans. I 72, 2150 (1976). | Article | ChemPort | |
| 31. |
Mootz, B. & Wassaw, H. J. J. chem. Phys. 75, 1517−1525 (1981). | Article | ISI | |
| 32. |
Olovsson, I. Acta crystallogr. 18, 879−890 (1965). | Article | ISI | ChemPort | |
| 33. |
Ramdas, S., Thomas, J. M., Cheetham, A. K., Betteridge, P. W. & Davies, E. K. Angew. Chem. int. Edn Engl. 23, 671−679 (1984). | Article | |
| 34. |
Kiselev, A. V., Lygin, V. I. & Stardubceva, R. V. JCS Faraday Trans. II 68, 1973−1989 (1979). |
| 35. |
Kiselev, A. V. et al. JCS Faraday Trans. II 77, 17−32 (1981). | Article | ChemPort | |
| 36. |
Chemgraf User Manual (Chemical Crystallography Laboratory, University of Oxford, 1984). |
© 1985 Nature Publishing Group Privacy Policy |