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A Genuine Stannylone with a Monoatomic Two‐Coordinate Tin(0) Atom Supported by a Bis(silylene) Ligand.
- Source :
-
Angewandte Chemie International Edition . Jan2022, Vol. 61 Issue 3, p1-6. 6p. - Publication Year :
- 2022
-
Abstract
- The monoatomic zero‐valent tin complex (stannylone) {[SiII(Xant)SiII]Sn0} 5 stabilized by a bis(silylene)xanthene ligand, [SiII(Xant)SiII=PhC(NtBu)2Si(Xant)Si(NtBu)2CPh], and its bis‐tetracarbonyliron complex {[SiII(Xant)SiII]Sn0[Fe(CO)4]2} 4 are reported. The stannylone 5 bearing a two‐coordinate zero‐valent tin atom is synthesized by reduction of the precursor 4 with potassium graphite. Compound 4 results from the SnII halide precursor {[SiII(Xant)SiII]SnIICl}Cl 2 or {[SiII(Xant)SiII]SnBr2} 3 through reductive salt‐metathesis reaction with K2Fe(CO)4. According to density functional theory (DFT) calculations, the highest occupied molecular orbital (HOMO) and HOMO‐1 of 5 correspond to a π‐type lone pair with delocalization into both adjacent vacant orbitals of the SiII atoms and a σ‐type lone pair at the Sn0 center, respectively, indicating genuine stannylone character. [ABSTRACT FROM AUTHOR]
- Subjects :
- *FRONTIER orbitals
*TIN
*DENSITY functional theory
Subjects
Details
- Language :
- English
- ISSN :
- 14337851
- Volume :
- 61
- Issue :
- 3
- Database :
- Academic Search Index
- Journal :
- Angewandte Chemie International Edition
- Publication Type :
- Academic Journal
- Accession number :
- 154579408
- Full Text :
- https://doi.org/10.1002/anie.202114073