Electrochemical activation of halogen bonding

Fave, Claire; Schöllhorn, Bernd

doi:10.1016/j.coelec.2019.04.005

Cited by 23 publications

(18 citation statements)

References 40 publications

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“…We attempted to verify the availability of the XBs in solutions and studied electrochemical behavior of 1 – 3 upon the addition of FIB in CH 2 Cl 2 solution by cyclic and differential pulse voltammetry techniques. , We used 1:20 molar ratios between any one of 1 – 3 and FIB to minimize competitive complex–solvent interactions, also those with the supporting electrolyte. In contrast to the previously studied adducts of FIB with the half-lantern Pt II 2 species displaying clear XB in solution, no significant changes in oxidation potentials were observed conceivably because of the low concentration of the XB adducts in solution.…”

Section: Resultsmentioning

confidence: 99%

Halogen Bonding Involving Palladium(II) as an XB Acceptor

Катленок

Rozhkov

Levin

et al. 2020

Crystal Growth & Design

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The half-lantern PdII 2 complexes trans-(O,C)-[Pd(ppz)(μ-O∩N)]2 (1) and trans-(E,N)-[Pd(ppz)(μ-E∩N)]2 (E∩N is a deprotonated 2-substituted pyridine; E = S (2), Se (3); Hppz = 1-phenylpyrazole) were cocrystallized with 1,4-diiodotetrafluorobenzene (FIB) to give cocrystals 1·(FIB) and (2−3)·2(FIB); the parent complexes and the cocrystals were studied by X-ray crystallography. The crystal structure of trans-(O,C)-1·FIB is assembled mainly by the I···O halogen bonding (XB) to give the [@PdII 2]O···I(areneF)I···O[@PdII 2] linkage, while trans-(E,N)-(2–3)·2(FIB) are built by the joint action of I···Pd and I···E XBs, thus furnishing the PdII 2···I(areneF)I···E[@PdII 2] (E = S, Se) cluster. Detailed theoretical (DFT) studies with the application of the QTAIM, ELF, NBO, IGM, SAPT, and HSAB methods revealed several types of attractive noncovalent interactions in the cocrystals, namely, the I···Pd, I···E (E = O, S, Se), I···C, π–π-stacking, and π···F interactions. I···Pd is a rare type of XB involving the metal center as an XB acceptor, the Pd···Pd communication facilitating the I···Pd bonding. The I···Pd and I···E bonds are comparable in strength (the bond interaction energies being between −7 and −13 kcal/mol), but the former is controlled by dispersion forces, while the latter is mostly governed by an electrostatic term.

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Section: Resultsmentioning

confidence: 99%

Halogen Bonding Involving Palladium(II) as an XB Acceptor

Катленок

Rozhkov

Levin

et al. 2020

Crystal Growth & Design

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“…It is thus not surprising that sigma hole interactions, which, as discussed in Section 2.2, display a high degree of electronic tuneability, are particularly potent in voltammetric (anion) sensors. 139 …”

Section: Electrochemical Sensorsmentioning

confidence: 99%

Halogen bonding and chalcogen bonding mediated sensing

Hein

Beer

2022

Chem. Sci.

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“…The interplays between 1-3 and the shd onors were studied in solution by 195 Pt NMR spectroscopy,c yclic voltammetry (CV), [65][66] and UV/Vis spectroscopy. [67] 195 Pt NMR studies Although NMR spectroscopy could be used for recognitiono f XB in the solid state and in solutions, this methodi ss ubstan- Table 3.…”

Section: Approaches To Identification Of the Xb In Solutionmentioning

confidence: 99%

Supramolecular Assembly of Metal Complexes by (Aryl)I⋅⋅⋅d[Pt^II] Halogen Bonds

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Haukka

Levin

et al. 2020

Chemistry A European J

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The theoretical data for the half‐lantern complexes [{Pt(trueCN^ )(μ‐trueSN^ )}2] [1–3; trueCN^ is cyclometalated 2‐Ph‐benzothiazole; trueSN^ is 2‐SH‐pyridine (1), 2‐SH‐benzoxazole (2), 2‐SH‐tetrafluorobenzothiazole (3)] indicate that the Pt⋅⋅⋅Pt orbital interaction increases the nucleophilicity of the outer dz2 orbitals to provide assembly with electrophilic species. Complexes 1–3 were co‐crystallized with bifunctional halogen bonding (XB) donors to give adducts (1–3)2⋅(1,4‐diiodotetrafluorobenzene) and infinite polymeric [1⋅1,1′‐diiodoperfluorodiphenyl]n. X‐ray crystallography revealed that the supramolecular assembly is achieved through (Aryl)I⋅⋅⋅dz2 [PtII] XBs between iodine σ‐holes and lone pairs of the positively charged (PtII)2 centers acting as nucleophilic sites. The polymer includes a curved linear chain ⋅⋅⋅Pt2⋅⋅⋅I(areneF)I⋅⋅⋅Pt2⋅⋅⋅ involving XB between iodine atoms of the perfluoroarene linkers and (PtII)2 moieties. The 195Pt NMR, UV/Vis, and CV studies indicate that XB is preserved in CH(D)2Cl2 solutions.

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Electrochemical activation of halogen bonding

Cited by 23 publications

References 40 publications

Halogen Bonding Involving Palladium(II) as an XB Acceptor

Halogen Bonding Involving Palladium(II) as an XB Acceptor

Halogen bonding and chalcogen bonding mediated sensing

Supramolecular Assembly of Metal Complexes by (Aryl)I⋅⋅⋅d[Pt^II] Halogen Bonds

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Electrochemical activation of halogen bonding

Cited by 23 publications

References 40 publications

Halogen Bonding Involving Palladium(II) as an XB Acceptor

Halogen Bonding Involving Palladium(II) as an XB Acceptor

Halogen bonding and chalcogen bonding mediated sensing

Supramolecular Assembly of Metal Complexes by (Aryl)I⋅⋅⋅d[PtII] Halogen Bonds

Contact Info

Product

Resources

About

Supramolecular Assembly of Metal Complexes by (Aryl)I⋅⋅⋅d[Pt^II] Halogen Bonds