Über gemischte gruppe 14-gruppe 14-bindungen

Schneider-Koglin, Claudia; Behrends, Kerstin; Dräger, Martin

doi:10.1016/0022-328x(93)80063-h

Cited by 33 publications

(8 citation statements)

References 29 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…82 In the solid-state structure of stannylplumbylene 10 (Figure 5), we found a Sn−Pb distance of 2.90767 (15) Å which lies in the range of literature examples: [Ar 3 SnPbAr] 2.8784(4), [(Ar 3 Sn) 2 Pb] 2.9283(4), 2.9483(6) Å. 82,86,87 Formation of 10 was also found in reaction between low-valent organohydrides of tin and lead. We reacted terphenyllead hydride [(Ar*PbH) 2 ] with terphenyltin hydride [(Ar′SnH) 4 ] formed in situ and found on the basis of NMR spectroscopy quantitative formation of product 10 (Scheme 4).…”

Section: ■ Results and Discussionsupporting

confidence: 56%

Deprotonation of Organogermanium and Organotin Trihydrides

et al. 2019

View full text Add to dashboard Cite

Terphenyltin and terphenylgermanium trihydrides were deprotonated in reaction with strong bases, such as LiMe, LDA, or KBn. In the solid state, the Li salts of the germate anion 4 and 4a exhibit a Li–Ge contact. In the Li salt of the dihydridostannate anion 6a, the Li cation is not coordinated at the tin atom instead an interaction of the Li cation with the hydride substituents was found. Evidenced by 1H–7Li-HOESY NMR spectroscopy the Li-salt of the deprotonated tin hydride 6a exhibits in toluene solution a contact between Li cation and hydride substituents, whereas in the 1H–7Li-HOESY NMR spectrum of the homologous germate salt 4a, no crosspeak between hydride and Li signals was found. The organodihydridogermate and -stannate react as nucleophiles with low-valent Group 14 electrophiles. Thus, three compounds were synthesized: Ar–Ë′–EH2–Ar (E′, E = Sn, Ge; Pb, Ge; Pb, Sn; Ar = Ar′, Ar*). Following an alternative synthesis Ar′SnH2PbAr* was synthesized in reaction between [(Ar*PbH)2] and [(Ar′SnH)4] generated in situ. In reaction between low-valent organotin hydride [(Ar*SnH)2] and organdihydridostannate [Ar*SnH2]− formation of distannate [Ar*2Sn2H3]− was found.

show abstract

Section: ■ Results and Discussionsupporting

confidence: 56%

Deprotonation of Organogermanium and Organotin Trihydrides

et al. 2019

View full text Add to dashboard Cite

show abstract

“…There are twelve dimers with direct Pb-Pb bonds [63,[151][152][153][154][155][156][157][158][159] (Table 10A). The Pb-Pb bond distances range from 283 to 296.8 (2) pm.…”

Section: Dilead ** Compoundsmentioning

confidence: 99%

Lead Coordination and Organometallic Compounds: Classification and Analysis of Crystallographic and Structural Data

Holloway¹,

Melnı́k²

1997

Main Group Metal Chemistry

View full text Add to dashboard Cite

This review covers over three hundred and sixty coordination and organometallic complexes of lead. About 20% of these contain lead in its +4 oxidation state, of which one fifth are dilead(+6) units, and two are anionic clusters. The Pb(IV) derivatives are predominantly organometallic, many stabilized by sandwich ligation. The majority of the Pb(ll) compounds are typical coordination complexes. Mon-to polynuclear derivatives are found, with coordinations numbers from 2 to 12. The effect of the non bonded pair of valence electrons is observed in lower coordination number Pb(ll) complexes. Examples of distortion, geometric and coordination isomerism are observed. Factors affecting bond lengths and bond angles are discussed, and some ambiguities in coordination polyhedra are outlined.

show abstract

“…The Sn1−Co1 distance of 2.5365(5) Å resembles that predicted for a Co−Sn single bond (∑r cov = 2.51 Å), whereas the Sn1−Co1′ bond length (2.4071(6) Å) is closer to that of a double bond (calculated covalent double bond radius 2.33 Å). 12 The Sn1−Sn1′ distance (2.8700(5) Å) is similar to those of Sn−Sn single bonds in bulky hexaorganodistannanes such as [ t Bu 3 SnSn t Bu 3 ] (2.894(1) Å), 13 [(PhCH 2 ) 3 SnSn(CH 2 Ph) 3 ] (2.823(1) Å) 13 and [(o-Tol) 3 SnSn(o-Tol) 3 ] (2.883(1) Å), 14 but see DFT calculations below. The cobalt atoms are η 6 -coordinated by the flanking 2,6-diisopropylphenyl rings with a very short cobalt− centroid distance (1.560(1) Å), which suggests a particularly strong cobalt-arene interaction, cf.…”

mentioning

confidence: 99%

Synthesis of a Cyclic Co₂Sn₂ Cluster Using a Co^– Synthon

et al. 2018

View full text Add to dashboard Cite

[Ar′SnCo]2 (1, Ar′ = C6H3-2,6{C6H3-2,6-iPr2}2), a rare metal–metal bonded cobalt–tin cluster with low-coordinate tin atoms, was prepared by the reaction of [K(thf)0.2][Co(1,5-cod)2] (cod = 1,5-cyclooctadiene) with [Ar′Sn(μ-Cl)]2. This reaction illustrates a promising synthetic strategy to access uncommon metal clusters. The structure of 1 features a rhomboidal Co2Sn2 core with strong metal–metal bonds between tin and cobalt and a weaker tin–tin interaction. Reaction of 1 with white phosphorus afforded [Ar′2Sn2Co2P4] (2), the first molecular cluster compound containing phosphorus, cobalt and tin.

show abstract

Über gemischte gruppe 14-gruppe 14-bindungen

Cited by 33 publications

References 29 publications

Deprotonation of Organogermanium and Organotin Trihydrides

Deprotonation of Organogermanium and Organotin Trihydrides

Lead Coordination and Organometallic Compounds: Classification and Analysis of Crystallographic and Structural Data

Synthesis of a Cyclic Co₂Sn₂ Cluster Using a Co^– Synthon

Contact Info

Product

Resources

About

Über gemischte gruppe 14-gruppe 14-bindungen

Cited by 33 publications

References 29 publications

Deprotonation of Organogermanium and Organotin Trihydrides

Deprotonation of Organogermanium and Organotin Trihydrides

Lead Coordination and Organometallic Compounds: Classification and Analysis of Crystallographic and Structural Data

Synthesis of a Cyclic Co2Sn2 Cluster Using a Co– Synthon

Contact Info

Product

Resources

About

Synthesis of a Cyclic Co₂Sn₂ Cluster Using a Co^– Synthon