Bis(2-(2-pyridyl)phenyl)tritelluride - synthesis and crystal structure

Hamor, T. A.; Al-Salim, Najih I.; West, Antony A.; McWhinnie, William R.

doi:10.1016/s0022-328x(00)99669-4

Cited by 50 publications

(16 citation statements)

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“…3(1) pm), [24] in the tritellurides [{(Me 3 Si) 3 Si} 2 Te 3 ] (271.0(1) pm) [18] and [(2-pyrPh) 2 Te 3 ] (277.6(1) pm, pyr pyridyl), [19] in the crown-shaped Te 8 rings of Cs 3 Te 22 (280(2) pm), [25] and in elemental tellurium itself (283.45(8) pm). 3(1) pm), [24] in the tritellurides [{(Me 3 Si) 3 Si} 2 Te 3 ] (271.0(1) pm) [18] and [(2-pyrPh) 2 Te 3 ] (277.6(1) pm, pyr pyridyl), [19] in the crown-shaped Te 8 rings of Cs 3 Te 22 (280(2) pm), [25] and in elemental tellurium itself (283.45(8) pm).…”

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confidence: 99%

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(PhTe)3: The Anionic Tellurium Analogue of I3

Hillier

Liu

Sella

et al. 1999

Angew. Chem. Int. Ed.

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confidence: 99%

“…bending at the central tellurium atom (100 ± 1038), [18,19] . The polarized optical micrographs showed fan-shaped textures characteristic of discotic hexagonal mesophases.…”

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(PhTe)3: The Anionic Tellurium Analogue of I3

Hillier

Liu

Sella

et al. 1999

Angew. Chem. Int. Ed.

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“…[12b] The destabilization of R 2 TeCl 2 , in comparison to RTeCl, might be attributed to the formation of Te IV species with increased Lewis acidity at the Te IV center. In another instance, when (ppyTe) 2 was treated with Br 2 at 0 °C, it resulted in the formation of the expected ppyTeBr, 6 . Synthetically, both these reactions are advantageous, as the reported synthesis for 5 and 6 involved multistep processes, and the yields of the reactions were lower than from the current procedures.…”

Section: Resultsmentioning

confidence: 99%

Exploring the Role of Strong Intramolecular Coordination of the 2‐(2'‐pyridyl)phenyl Group in Heavy Main Group Halides: Insights from Synthesis, Structural, and Bonding Analyses

et al. 2020

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By the transmetallation of ppyHgCl [ppy = 2‐(2'‐pyridyl)phenyl] (1) with SnCl4 and SbCl3, the synthesis of the monoorgano main group halides, [ppySnCl3(H2O)]·2(0.5diox) (diox = 1,4‐dioxane) [2(H2O)]·2(0.5diox) and [ppySbCl2] (3) was achieved. The reaction of 1 with BiCl3 does not give the analogous monoorganobismuth dichloride. Instead, it results in the formation of [(ppy)2Bi]+·[ppyBiCl3]– (4). Reactions of (ppy)2Te and (ppyTe)2 with SO2Cl2 and Br2 result in the formation of ppyTeCl (5) and ppyTeBr (6) respectively. All the synthesized compounds were characterized by multi‐nuclear NMR spectroscopy (1H, 13C, 119Sn, and 125Te), FT‐IR spectroscopy, ESI‐MS, CHN analysis, and single‐crystal X‐ray diffraction studies. The molecular structures of 2–6 reveal strong intramolecular coordination of the N‐atoms of the pendant arms with the main group element centers. DFT calculations; including Natural Bond Order (NBO), Electron Localization Function (ELF), Electrostatic Surface Potential (ESP) and Atoms in Molecules (AIM) infer that the stability of 2–6 relies on the σ‐hole participation of the element center with the N‐lone pair of the pyridyl arm.

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“…bridging group of [(SmCp* 2 ) 2 (m-Te 2 )] (277.3(1) pm), [24] in the tritellurides [{(Me 3 Si) 3 Si} 2 Te 3 ] (271.0(1) pm) [18] and [(2-pyrPh) 2 Te 3 ] (277.6(1) pm, pyr pyridyl), [19] in the crown-shaped Te 8 rings of Cs 3 Te 22 (280(2) pm), [25] and in elemental tellurium itself (283.45 (8) pm). [26] Rather, the Te À Te distances are comparable to those observed in the pentamesitylditellurium cation (304.91(10) and 297.91(10) pm) [8] and in the linear polyiodide analogue Te 5 4À present in NaTe (282 ± 308 pm).…”

Section: àmentioning

confidence: 99%

“…The polarized optical micrographs showed fan-shaped textures characteristic of discotic hexagonal mesophases. bending at the central tellurium atom (100 ± 1038), [18,19] . [8] The anion of 2 is unsymmetrical with TeÀTe bond lengths of 293.9(2) and 311.3(1) pm.…”

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confidence: 99%