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C60 And C70: Here’s Looking at you

  • D. M. Cox (a1), S. Behal (a1), K. Creegan (a1), M. Disko (a1), C. S. Hsu (a1), E. Kollin (a1), J. Millar (a1), J. Robbins (a1), W. Robbins (a1), R. D. Sherwood (a1), P. Tindall (a1), D. Fischer (a1) and G. Meitzner (a1)...

Abstract

In this paper we will describe the production, separation and characterization of the new all carbon molecules, C60 and C70. High performance liquid chromatography HPLC is used to obtain purified samples of C60 and C70, which are subsequently characterized by electron impact and chemical ionization mass spectrometry, IR and UV-visible absorption spectroscopy, NMR, ESR, scanning tunnelling microscopy, transmission electron microscopy and x-ray absorption fine structure measurements.

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1. Kratschmer, W., Fostiropoulos, K., and Huffman, D. R., Chem. Phys. Lett. 170, 167 (1990).
2. Kratschmer, W., Lamb, L., Fostiropoulos, K., and Huffman, D. R., Nature, 347, 354 (1990).
3. Cox, D. M., Behal, S., Disko, M., Gorun, S., Greaney, M., Hsu, C. S., Kollin, E., Millar, J., Robbins, J., Robbins, W., Sherwood, R., and Tindall, P., J. Am. Chem. Soc. submitted.
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11. We have recently become aware of similar STM studies being carried out at IBM by Meijer, G., Bethune, D., Wilson, R. J. and Johnson, R. D., Nature submitted, and thank D. Bethune for a preprint of this work.
12. MgO crystals upon which only toluene was evaporated showed no evidence for C60, i.e. circular contrast patterns
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14. Meitzner, G. and Fischer, D., to be published
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16. The authors are greatly appeciative to Newton, M. and Raghavachari, K. for kindly supplying the C60 structural coordinates.
17. Slater, J. C., Symmetry and Energy Bands in Crystals, (Dover, New York, 1972) pg. 310.

C60 And C70: Here’s Looking at you

  • D. M. Cox (a1), S. Behal (a1), K. Creegan (a1), M. Disko (a1), C. S. Hsu (a1), E. Kollin (a1), J. Millar (a1), J. Robbins (a1), W. Robbins (a1), R. D. Sherwood (a1), P. Tindall (a1), D. Fischer (a1) and G. Meitzner (a1)...

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