2018
DOI: 10.1016/j.jorganchem.2018.04.019
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Synthesis and structure of bis(methylsulfanyl) derivatives of iron bis(dicarbollide)

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Cited by 16 publications
(12 citation statements)
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“…To the best of our knowledge, there are only a few examples of the formation of chalcogen bonds with boron hydrides as acceptors and all them were found in the MeS derivatives of transition metal bis(dicarbollide) complexes. 24,40,41 In the crystal structure, the pairs of A and B enantiomers alternate with the BEDT-TTF radical-cation dimers. In the dimers, the radical-cations are bound by shortened S/S intermolecular contacts in the range 3.378-3.380Å (the sum of the van der Waals radii S/S is 3.60Å).…”
Section: Synthesis Of C-substituted Methylthio Derivatives Of Cobalt mentioning
confidence: 99%
See 1 more Smart Citation
“…To the best of our knowledge, there are only a few examples of the formation of chalcogen bonds with boron hydrides as acceptors and all them were found in the MeS derivatives of transition metal bis(dicarbollide) complexes. 24,40,41 In the crystal structure, the pairs of A and B enantiomers alternate with the BEDT-TTF radical-cation dimers. In the dimers, the radical-cations are bound by shortened S/S intermolecular contacts in the range 3.378-3.380Å (the sum of the van der Waals radii S/S is 3.60Å).…”
Section: Synthesis Of C-substituted Methylthio Derivatives Of Cobalt mentioning
confidence: 99%
“…56,57 Such approach is widely used for energetic analysis of intermolecular interactions of different types. 24,40,41,[58][59][60]…”
Section: Quantum-chemical Calculationsmentioning
confidence: 99%
“…Therefore, by analogy with the corresponding derivatives of cobalt bis(dicarbollide) [18], column chromatography was used to separate the nickel(III) diastereomeric complexes. The 11 B NMR spectra of all the obtained paramagnetic complexes (Figures S1-S3) are quite characteristic; however, unlike the similar derivatives of paramagnetic iron bis(dicarbollide) [19,26,27], their interpretation is not possible. Therefore, an X-ray diffraction study is crucial to determine the structure of the diastereomers.…”
Section: Synthesismentioning
confidence: 95%
“…The bistability of molecular switches can be achieved by using substituents that are capable to form weak intramolecular hydrogen bonds between the dicarbollide ligands in the transoid conformation and stronger dative bonds with external transition metals in the cisoid conformation. Indeed, we found that the methylsulfanyl groups are able to stabilize the transoid conformation of the corresponding derivatives of cobalt and iron bis(dicarbollides) [8,8 -(MeS) 2 -3,3 -M(1,2-C 2 B 9 H 10 ) 2 ] − (M = Co, Fe) due to formation of intramolecular C-H•••S(Me)B hydrogen bonds [18,19]. On the other hand, in the presence of external transition metals or labile metal complexes, the methylsulfanyl groups form complexes with them, resulting in transformation of the transoid conformation of cobalt bis(dicarbollide) to the cisoid one [20,21].…”
Section: Introductionmentioning
confidence: 99%
“…. S(Me) between the ligands [19][20][21]. It is assumed that, in the presence of external complexing metals, these weak intramolecular bonds should break with the formation of stronger donor-acceptor bonds S(Me)→M with the metal ion.…”
Section: Introductionmentioning
confidence: 99%