1984
DOI: 10.1021/ic00194a076
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Single-crystal EPR spectra of tetra-n-butylammonium bis(isotrithione-3,4-dithiolato)cuprate(II) (copper-63)

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Cited by 24 publications
(17 citation statements)
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“…There is a one (2 and 3) or a half (1) 2¹ are reported using solution 234 or magnetically diluted single-crystalline samples. 232,233 Under dark conditions, the ESR spectra measured for the single crystals of 13 were symmetric without (hyper)fine structures. The g-values were approximately estimated from the maxima of the integrated ESR spectra.…”
Section: Electrical Resistivity and Magnetic Susceptibilitymentioning
confidence: 99%
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“…There is a one (2 and 3) or a half (1) 2¹ are reported using solution 234 or magnetically diluted single-crystalline samples. 232,233 Under dark conditions, the ESR spectra measured for the single crystals of 13 were symmetric without (hyper)fine structures. The g-values were approximately estimated from the maxima of the integrated ESR spectra.…”
Section: Electrical Resistivity and Magnetic Susceptibilitymentioning
confidence: 99%
“…First, strong πd mixing is expected between the π-orbitals of the ligands and the 3d orbitals of Cu(II). 232,234 Second, the coordination geometry is known to alter flexibly and sensitively to counter cations and/or crystal structures from square-planar to (distorted) tetrahedral CuS 4 cores. 234239 It appears that the second feature might be used to control the degree of πd mixing and the molecular structure by selecting counter cations.…”
Section: ¹2mentioning
confidence: 99%
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“…Abschließend sei angemerkt, dass die Spindichte an den Schwefelatomen experimentell nicht bestimmt werden konnte. Aufgrund der geringen natürlichen Häufigkeit des S‐Isotops 33 S ( I = 3/2; 0.7 %) konnten die hierfür erforderlichen 33 S‐Hyperfeinstruktursignale bisher nur bei Einkristall‐EPR‐Spektren mit Linienbreiten von 0.3–0.6 mT beobachtet werden 35,36. Aufgrund der gegenüber den Cu–N‐Bindungen üblicherweise beobachteten größeren Kovalenz der Cu–S‐Bindungen werden für α S 2 größere Werte als für α N 2 erwartet.…”
Section: Ergebnisse Und Diskussionunclassified
“…den 33s-Kernen konnten wegen der geringen naturlichen Hiiufigkeit dieser Isotope (61Ni, natiirliche Haufigkeit 3,25%, 33S, naturliche Haufigkeit 0,74%), der kleinen Hyperfeinkopplungskonstanten [ 131 sowie der zu groUen Linienbreite im Spektrum der polykristallinen Matrix oder in flussiger Lasung nicht aufgelost werden. Das EPR-Spektrum der gefrorenen Losung von (Bu,N) 2[Cu(dmid),] 6 zeigt, ebenso wie das fur [Cu(dmit)J-erhaltene[14], axiale Symmetrie des g-Tensors und eine gut aufgeloste Cu-Hyperfeinstruktur (63,65Cu, I = 3/2). 33S-Hyperfeinstrukturwechselwirkungen konnten ebenfalls nicht beobachtet werden.…”
unclassified