The preparation and Raman spectrum of cesium difluorobromate(I)

Surles, Terry; Quarterman, Lloyd A.; Hyman, Herbert H.

doi:10.1016/0022-1902(73)80587-1

Cited by 18 publications

(9 citation statements)

References 12 publications

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“…The IR spectra of solid Rb[ClF 2 ] and Cs[ClF 2 ] show one band for the symmetric Cl−F stretching vibration, which was explained by a distortion of the [ClF 2 ] − anion in the solid state . Vibrational spectroscopy (Raman and IR) of the [BrF 2 ] − anion in solid argon indicated an asymmetric bonding situation. The first clearly centrosymmetric [BrF 2 ] − anion, as confirmed by IR and Raman spectroscopy, was observed in [NMe 4 ][BrF 2 ] .…”

Section: Polyinterhalogen Anionsmentioning

confidence: 99%

Polyhalogen and Polyinterhalogen Anions from Fluorine to Iodine

et al. 2020

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This Review deals with the evolving field of polyhalogen chemistry, specifically polyhalogen anions (polyhalides). In addition to a historical outline, current progress in synthetic approaches towards the formation of polyfluorides, polychlorides, polybromides, and polyinterhalides is also illustrated. The structural diversity of polyhalides has substantially increased in the past decade, especially for polychlorides and polybromides, which are commonly characterized by single‐crystal X‐ray diffraction, Raman spectroscopy, and quantum‐chemical calculations. Polyfluorides have been examined by sophisticated state‐of‐the‐art quantum‐chemical calculations and investigated spectroscopically in noble gas matrix‐isolation experiments under cryogenic conditions at 4 K. The bonding in such polyhalide systems is also discussed. The last Section deals with applications of polyhalides in halogenation reactions and electrochemistry as well as their use as reactive ionic liquids, emphasizing the promising future of polyhalogen chemistry.

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Section: Polyinterhalogen Anionsmentioning

confidence: 99%

Polyhalogen and Polyinterhalogen Anions from Fluorine to Iodine

et al. 2020

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“…The neutral compounds and strong oxidizers bromine monofluoride (BrF) and bromine trifluoride (BrF 3 ) can form anions ([BrF 2 ]and [BrF 4 ] -) upon formal addition of a fluoride ion. The difluoridobromate(I) ([BrF 2 ] -) anion is known as its Cs + [1] and [NMe 4 ] + [2] salt. Cs[BrF 2 ] can be synthesized via the exposure of CsBr to XeF 2 or by careful condensation of a mixture of Br 2 and BrF 3 onto CsF.…”

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confidence: 99%

“…Cs[BrF 2 ] can be synthesized via the exposure of CsBr to XeF 2 or by careful condensation of a mixture of Br 2 and BrF 3 onto CsF. [1,3] However, these procedures were not suitable to isolate pure samples. [3] The tetramethylammonium salt was obtained as a decomposition product of [NMe 4 ][Br(OCF 3 ) 2 ].…”

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confidence: 99%

Soluble Fluoridobromates as Well‐Behaved Strong Fluorination Reagents

et al. 2020

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We present a facile synthesis of the soluble fluoridobromates [NEt3Me][BrF4] and [NEt3Me][Br2F7] via fluorination of the corresponding bromide salts in acetonitrile, propionitrile or bromine. We structurally characterized the [BrF2]– anion, an intermediate during the synthesis, for the first time. Additionally, the dissolution of noble metals to form the corresponding halometallates as well as the application of [NEt3Me][BrF4] as a fluorination agent for disulfides to form pentafluorosulfanyls was studied.

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“…Die IR‐Spektren von festem Rb[ClF 2 ] und Cs[ClF 2 ] zeigten Banden für die symmetrische Cl‐F‐Streckschwingung, was auf eine Verzerrung des [ClF 2 ] − ‐Anions in der festen Phase zurückgeführt wurde . Schwingungsspektroskopische (Raman‐ und IR‐)Untersuchungen des [BrF 2 ] − ‐Anions in festem Argon lassen auf eine asymmetrische Bindungssituation schließen. Das erste eindeutig zentralsymmetrische [BrF 2 ] − ‐Anion in [NMe 4 ][BrF 2 ] wurde mittels IR‐ und Raman‐Spektroskopie bestätigt .…”

Section: Polyinterhalogenideunclassified

Polyhalogen‐ und Polyinterhalogen‐Anionen von Fluor bis Iod

et al. 2020

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Dieser Aufsatz widmet sich dem wachsenden Gebiet der Polyhalogen‐Chemie und insbesondere den Polyhalogen‐Anionen (Polyhalogenide). Neben einem historischen Abriss werden aktuelle Entwicklungen in der Synthese von Polyfluoriden, ‐chloriden, ‐bromiden und ‐interhalogeniden erläutert. Die Strukturvielfalt der Polyhalogenide hat in den letzten zehn Jahren drastisch zugenommen, besonders für Polychloride und ‐bromide, die gewöhnlich mittels Einkristallröntgenbeugung, Raman‐Spektroskopie sowie quantenchemischer Rechnungen charakterisiert werden. Polyfluoride wurden sowohl mit modernsten quantenchemischen Methoden als auch mittels spektroskopischer Verfahren in Edelgas‐Matrixisolationsexperimenten bei 4 K untersucht. Die Bindungssituation in Polyhalogeniden wird diskutiert, und der letzte Abschnitt dieses Aufsatzes widmet sich der Anwendung von Polyhalogeniden in Halogenierungsreaktionen und der Elektrochemie sowie als reaktive ionische Flüssigkeiten und zeigt vielversprechende Perspektiven für die Zukunft des Gebiets der Polyhalogen‐Chemie auf.

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The preparation and Raman spectrum of cesium difluorobromate(I)

Cited by 18 publications

References 12 publications

Polyhalogen and Polyinterhalogen Anions from Fluorine to Iodine

Polyhalogen and Polyinterhalogen Anions from Fluorine to Iodine

Soluble Fluoridobromates as Well‐Behaved Strong Fluorination Reagents

Polyhalogen‐ und Polyinterhalogen‐Anionen von Fluor bis Iod

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