✦ LIBER ✦

Pulsed ENDOR Studies at 95 GHz of the Triplet State of13C60

✍ Scribed by G.J.B. van den Berg; D.J. van den Heuvel; O.G. Poluektov; I. Holleman; G. Meijer; E.J.J. Groenen

Publisher: Elsevier Science
Year: 1998
Tongue: English
Weight: 181 KB
Volume: 131
Category: Article
ISSN: 1090-7807
DOI: 10.1006/jmre.1997.1343

No coin nor oath required. For personal study only.

✦ Synopsis

Fully 13 C-enriched C 60 has been investigated by pulsed elec-on the environment. For the simple-cubic phase of the crystal tron-nuclear double-resonance ( ENDOR ) spectroscopy at Wat low temperature, the site symmetry is only S 6 which is band frequency at 1.2 K. For molecular C 60 the ENDOR spectra compatible with a D 2h but not with a D 5d symmetry of C 60 .

reflect the distortion of the molecule upon triplet excitation, and

The zero-field splitting between the triplet sublevels of the fine-structure parameter D is found to be negative. For a molecular C 60 was initially derived from EPR spectra under single crystal of C 60 the ENDOR spectra characterize the triplet irradiation (3 ) and has amply been confirmed, among others excitation as delocalized over a pair of neighboring C 60 molecules.

📜 SIMILAR VOLUMES

Pulsed EPR on the photoexcited triplet s

Pulsed EPR on the photoexcited triplet state of C60 fullerene

✍ M. Bennati; A. Grupp; M. Mehring; K.P. Dinse; J. Fink 📂 Article 📅 1992 🏛 Elsevier Science 🌐 English ⚖ 384 KB

We report on the observation of two different triplet states in photoexcited C, fullerene molecules. The following fine structure parameters were determined from spectral fits to the triplet powder spectrum: IDI [=0.0117 cm-' (12.5 mT), lJ&l=O.O014 cm-' (1.5 mT) and / D2j ~0.0047 cm-' (5 mT), l&l =O

Pulse radiolysis study of buckminsterful

Pulse radiolysis study of buckminsterfullerene in benzene solution. Assignment of the C60 triplet-triplet absorption spectrum

✍ R.V. Bensasson; T. Hill; C. Lambert; E.J. Land; S. Leach; T.G. Truscott 📂 Article 📅 1993 🏛 Elsevier Science 🌐 English ⚖ 798 KB

Pulse radiolysis and, lo a lesser extent, laser flash photolysis have been used to determine properties of the lowest triplet of CGO in benzene at room temperature, including its absorption spectrum between 300 and 1600 nm, its molar absorption coefficient (e~=20200~2000dm3mol-' cm-' at 750nm) and i

Spin-echo-ENDOR studies of the photoexci

Spin-echo-ENDOR studies of the photoexcited triplet state of pentacene in p-terphenyl crystals at room temperature

✍ David J Sloop; Tien-Sung Lin 📂 Article 📅 1990 🏛 Elsevier Science ⚖ 250 KB

The triplet state of C60 studied by zero

The triplet state of C60 studied by zero-field absorption-detected magnetic resonance

✍ A. Angerhofer; J.U. von Schütz; D. Widmann; W.H. Müller; H.U. ter Meer; H. Sixl 📂 Article 📅 1994 🏛 Elsevier Science 🌐 English ⚖ 562 KB

Using absorption-detected magnetic resonance (ADMR) in zero field on Cso in a frozen toluene/polystyrene glass at temperatures between 6 and 40 K we observed two distinct triplet states. Their zero-field splitting parameters were determined by ADMR double resonance to be 1Dil=(114.6+l)x10-4 cm-', ~E