Attachment of two electrons to C[sub 60]F[sub 48]: Coulomb barriers in doubly charged anions

Journal Article · Mon Nov 21 04:00:00 EST 1994 · Physical Review Letters; (United States)

DOI:https://doi.org/10.1103/PhysRevLett.73.2821· OSTI ID:6784362

Jin, C; Hettich, R L; Compton, R N; Tuinman, A; Derecskei-Kovacs, A; Marynick, D S; Dunlap, B I ^[1]

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1. Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831-6120 (United States) Department of Chemistry, University of Tennessee, Knoxville, Tennessee 37996 (United States) Department of Chemistry, University of Texas at Arlington, Arlington, Texas 76019-0065 (United States) U.S. Naval Research Laboratory, Washington, D.C. 20375-5342 (United States)

The highly fluorinated chiral [ital C][sub 3[ital h]] molecule C[sub 60]F[sub 48] was observed to sequentially attach two electrons in the gas phase to produce C[sub 60]F[sub 48][sup 2[minus]] and C[sub 60]F[sub 46][sup 2[minus]]+F[sub 2]. The first electron affinity (EA) of C[sub 60]F[sub 48] was measured to be 4.06[plus minus]0.3 eV. The first and second EA were calculated to be EA[sub 1]=5.07 eV and EA[sub 2]=2.27 eV for the more symmetric [ital D][sub 3[ital d]] isomer. The dianion was found to be [ital more] [ital stable] with respect to electron detachment than the singly-charged anion. This remarkable stability of the dianion is attributed to a potential barrier resulting from the long range Coulomb repulsion and short range electron-molecule binding.

• DOE Contract Number: AC05-84OR21400
• OSTI ID: 6784362
• Journal Information: Physical Review Letters; (United States), Journal Name: Physical Review Letters; (United States) Vol. 73:21; ISSN 0031-9007; ISSN PRLTAO
• Country of Publication: United States
• Language: English

Related Subjects

664400 -- Experimentally Derived Information on Atomic & Molecular Properties-- (1992-)
664500* -- Special Atoms & Molecules-- (1992-)
74 ATOMIC AND MOLECULAR PHYSICS
AFFINITY
ANIONS
BINDING ENERGY
CARBON
CARBON COMPOUNDS
CARBON FLUORIDES
CHARGED PARTICLES
CHEMICAL REACTIONS
CHIRALITY
COULOMB FIELD
DATA
DESORPTION
ELECTRIC FIELDS
ELECTRON ATTACHMENT
ELEMENTS
ENERGY
EXPERIMENTAL DATA
FLUIDS
FLUORIDES
FLUORINATION
FLUORINE COMPOUNDS
FULLERENES
GASES
HALIDES
HALOGEN COMPOUNDS
HALOGENATION
INFORMATION
IONS
MASS SPECTRA
MULTICHARGED IONS
NONMETALS
NUMERICAL DATA
PARTICLE PROPERTIES
SORPTION
SPECTRA
TEMPERATURE DEPENDENCE