1996
DOI: 10.1107/s0108270195010687
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Sodium Tetraphenylcyclopentadienide Bis(dimethoxyethane)

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Cited by 9 publications
(6 citation statements)
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“…The Na1–Cp­(centroid) distance compares very well to the Na–Cp­(centroid) distance observed in NaCp (2.357 Å) . The C–C bond lengths within the cyclopentadienyl ring [1.416(3)–1.431(3) Å] are in the area typically observed for cyclopentadienyl compounds. The cyclopentadiene to arene plane-to-plane twist angles in 1-Na·thf range from 46.86(9)° to 52.10(9)°. The dinuclear structure of 1-Na·thf is distinct from those of other sodium cyclopentadienides.…”
Section: Resultssupporting
confidence: 56%
“…The Na1–Cp­(centroid) distance compares very well to the Na–Cp­(centroid) distance observed in NaCp (2.357 Å) . The C–C bond lengths within the cyclopentadienyl ring [1.416(3)–1.431(3) Å] are in the area typically observed for cyclopentadienyl compounds. The cyclopentadiene to arene plane-to-plane twist angles in 1-Na·thf range from 46.86(9)° to 52.10(9)°. The dinuclear structure of 1-Na·thf is distinct from those of other sodium cyclopentadienides.…”
Section: Resultssupporting
confidence: 56%
“…Structural data available for an extensive series of compounds with the general formulas Cp′Li‚Y n , where Y n can represent a mono-3, di-4, or polydentate ligand 5, reveal that the donor strength of the auxiliary ligand (Y) has a significant effect on the magnitude of the Cp-Li interaction. In contrast, the polymeric array is often retained for derivatives of sodium and potassium in the presence of an auxiliary donor (see Table 3), and a sterically bulky 75 Cp ligand or excess donor 66 give rare examples of the general formula Cp′E‚Y 3 6.…”
Section: Molecular Cyclopentadienylelement Complexesmentioning
confidence: 99%
“…3 ) oder als solvens-umhiillte Kontaktionenpaar-Monomere [Me NazlVl1 (Fig. 4 ) 3 ) Die monomeren 'solvens-urnhullten' Kontaktionenpaare [MQ Naz,,], (Tub., Fund G) gehoren zu den bei 'halbschaliger' Kationen-Solvatation haufig kristallisierenden Organometall-Komplextypen [23], eigene Beispiele sind Natrium(diethy1ether)-Tetraphenylallylanion [lo], monomeres Casium(dig1yme)-Phenothiazin [30] oder das einleitend erwahnte Barium(pentatetrahydr0furan)-Bis(carbazo1) [6]. Die Strukturen der monomeren Natrium-carbazolate (Tub.,F und G ) zeigen kurze Kontakte Na@ ... N und geringe Auslenkungen der NaQ-Gegenkationen aus den Carbazol-Anion-Ebenen.…”
Section: Fig 2 Einkristallstruktur Yon Bis( Carbazol)nutriurn-bis(tunclassified
“…Bislang') sind die Strukturen folgender Alkali-, Erdalkali-und Seltene-Erden-Salze veroffentliclit worden: Monomere Kontaktionen-Multipel wie 1,3,6,8-Tetrakis(tert -butyl)carbazol-Magnesiumethyl-Bis(tetrahydrofuran) [4], Biscarbazol-Calcium-Tetrakis(pyridin) [5], Biscarbazol-Strontium(ammoniak)-Bis(dimethoxyethan) [ 5 ] , Bis-carbazol-Barium-Tris(dimeth0xyethan) [S], Biscarbazol-Barium- [6] oder Samarium-Tetrakis(tetrahydr0furan) [7] sowie dimere Kontaktionen-Quadrupel des Typs [Ma (M@L,)I2 mit Me@L, = Li@(THF), [8], KQ(pmdta) [9], und Cs@(pmdta) [9] (pmdta:…”
unclassified
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