Fluorinated fullerenes: synthesis, structure, and properties

Autor:	John E. Fischer, Gavin Vaughan, John P. McCauley, K. Kniaz, Amos B. Smith, Donald M. Cox, Swapan K. Chowdhury, Henry Selig, William J. Romanow, Robert M. Strongin
Rok vydání:	1993
Předmět:	Fullerene Chemistry Infrared spectroscopy chemistry.chemical_element General Chemistry Biochemistry Catalysis Bond length Crystallography Colloid and Surface Chemistry Field desorption X-ray crystallography Fluorine Molecule Sublimation (phase transition)
Zdroj:	Journal of the American Chemical Society. 115:6060-6064
ISSN:	1520-5126 0002-7863
Popis:	Solid C[sub 60] reacts with low-pressure fluorine at 300 K, yielding yellow-to-white solids which are air-stable for long periods, with average compositions in the range C[sub 60]F[sub 35-44]. Mass spectrometry reveals broad distributions of F/C ratios, with only trace amounts of perfluorofullerene C[sub 60]F[sub 60]. Infrared and other data indicate the presence of C-F bonds, from which we deduce a [open quotes]fuzzyball[close quotes] structure with fluorines externally attached to the fullerene skeleton. Most of the material sublimes in vacuum at 300[degrees]C; molecules with F/C ratios > 48 probably decompose. The sublimed product is highly crystalline; X-ray analysis yields an average C-F bond length 1.49 A. Thin films may be prepared by sublimation or spin-coating from solution. Contact angle measurements using water droplets suggest potentially interesting lubricating properties. 22 refs., 6 figs., 1 tab.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::47c4046dd33b7a7ad75bf6e47bb74178 https://doi.org/10.1021/ja00067a022 Zobrazit plný text záznamu