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1. Photoelectron imaging of cryogenically cooled BiO ⁻ and BiO ₂ ⁻ anions

   https://doi.org/10.1063/5.0127877  

   Kocheril, G. Stephen; Gao, Han-Wen; Yuan, Dao-Fu; Wang, Lai-Sheng (November 2022, The Journal of Chemical Physics)

   The advent of ion traps as cooling devices has revolutionized ion spectroscopy as it is now possible to efficiently cool ions vibrationally and rotationally to levels where truly high-resolution experiments are now feasible. Here, we report the first results of a new experimental apparatus that couples a cryogenic 3D Paul trap with a laser vaporization cluster source for high-resolution photoelectron imaging of cold cluster anions. We have demonstrated the ability of the new apparatus to efficiently cool BiO − and BiO 2 − to minimize vibrational hot bands and allow high-resolution photoelectron images to be obtained. The electron affinities of BiO and BiO 2 are measured accurately for the first time to be 1.492(1) and 3.281(1) eV, respectively. Vibrational frequencies for the ground states of BiO and BiO 2 , as well as those for the anions determined from temperature-dependent studies, are reported. 

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2. Electrochemical Oxidation of [1-X-12-I-CB ₁₁ Me ₁₀ ^– ] Anions: Formation of Borenium Ylides [12-Dehydro-1-X-CB ₁₁ Me ₁₀ ] and Iodonium Ylide Anions [{12-(1-X-CB ₁₁ Me ₁₀ ^– )} ₂ I ⁺ ]

   https://doi.org/10.1021/acs.inorgchem.6b02128  

   Wahab, Abdul; Kaleta, Jiří; Wen, Jin; Valášek, Michal; Polášek, Miroslav; Michl, Josef; Ludvík, Jiří (December 2016, Inorganic Chemistry)
3. Synthesis and Characterization of 5-Coordinate Tungsten Hydride Anions: [( ^t Bu ₃ SiNH)( ^t Bu ₃ SiN=) ₂ HWR]M

   https://doi.org/10.1002/ijch.201700042  

   Schafer, II, Daniel F.; Wolczanski, Peter T.; Lobkovsky, Emil B.; MacMillan, Samantha N. (November 2017, Israel Journal of Chemistry)
4. Tuning Fe–Se Tetrahedral Frameworks by a Combination of [Fe(en) ₃ ] ²⁺ Cations and Cl ^– Anions

   https://doi.org/10.1021/acs.inorgchem.0c01727  

   Gamage, Eranga H.; Greenfield, Joshua T.; Unger, Colin; Kamali, Saeed; Clark, Judith K.; Harmer, Colin P.; Luo, Liang; Wang, Jigang; Shatruk, Michael; Kovnir, Kirill (September 2020, Inorganic Chemistry)

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5. Rapid Simultaneous Removal of Toxic Anions [HSeO ₃ ] ⁻ , [SeO ₃ ] ^2– , and [SeO ₄ ] ^2– , and Metals Hg ²⁺ , Cu ²⁺ , and Cd ²⁺ by MoS ₄ ^2– Intercalated Layered Double Hydroxide

   https://doi.org/10.1021/jacs.7b07123  

   Ma, Lijiao; Islam, Saiful M.; Xiao, Chengliang; Zhao, Jing; Liu, Hongyun; Yuan, Mengwei; Sun, Genban; Li, Huifeng; Ma, Shulan; Kanatzidis, Mercouri G. (September 2017, Journal of the American Chemical Society)