Matrix Isolation of the Arsinoborene F2B–As═BF with an As═B Double Bond Character
Year: 2025
Type: article
Abstract: High Resolution Image Download MS PowerPoint Slide We report on the generation of F 2 B–As═BF, an arsinoborene (boranylidenearsane) with a genuine As═B double bond, where both the As and B atoms are two-coordinate. It was obtained from the reaction of AsF 3 with laser-ablated boron atoms under cryogenic conditions in neon and argon matrices. In addition, the single-bonded arsenic–boron radicals FB–AsF 2 and F 2 B–AsF were characterized. These species were identified by infrared spectroscopy and 10/11 B isotope substitution in conjunction with quantum-chemical calculations at the B3LYP and CCSD(T) levels of theory. The isomerization from FB–AsF 2 to F 2 B–AsF can be triggered by irradiation with ultraviolet light (λ = 275 nm) in argon. This discovery of the arsinoborene F 2 B–As═BF further extends the series of multiple-bonded systems between heavy main group elements and boron.
Source: Inorganic Chemistry
Institution: Freie Universität Berlin
Language: English
Subfield: Inorganic Chemistry
Field: Chemistry
Domain: Physical Sciences
Open Access status: hybrid
Estimated APC paid: $4,500
OpenAlex ID: W4408202780