title: C60-derived nanobaskets: stability, vibrational signatures, and molecular trapping.
abstract: C(60)-derived nanobaskets, with chemical formulae (symmetry point group) C(40)H(10) (C(5v)), C(39)H(12) (C(3v)), C(46)H(12) (C(2v)), were investigated. Molecular dynamic simulations (MDSs) indicate that the molecules preserve their bonding frame for temperatures up to 300 K (simulation time 100 ps), and maintain atomic cohesion for at least 4 ps at temperatures up to 3500 K. The infrared spectra of the C(60)-derived nanobaskets were simulated through density functional theory (DFT) calculations, allowing for the attribution of infrared signatures specific to each carbon nanobasket. The possibility of using C(60)-derived nanobaskets as molecular containers is demonstrated by performing a DFT study of their bonding to hydrogen, water, and L-alanine. The carbon nanostructures presented here show a higher bonding energy (approximately 1.0 eV), suggesting that a family of nanostructures, C(n)-derived (n = 60,70,76,80, etc) nanobaskets, could work as molecular containers, paving the way for future developments such as tunable traps for complex molecular systems.
authors.affiliation: Departamento de Física, Universidade Federal do Ceará, Caixa Postal 6030, 60455-900 Fortaleza, Ceará, Brazil.
authors.forename: S G
authors.initials: SG
authors.lastname: dos Santos
authors.forename: M S
authors.initials: MS
authors.lastname: Pires
authors.forename: V
authors.initials: V
authors.lastname: Lemos
authors.forename: V N
authors.initials: VN
authors.lastname: Freire
authors.forename: E W S
authors.initials: EW
authors.lastname: Caetano
authors.forename: D S
authors.initials: DS
authors.lastname: Galvão
authors.forename: F
authors.initials: F
authors.lastname: Sato
authors.forename: E L
authors.initials: EL
authors.lastname: Albuquerque