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1. Selective NO _x ^– Electroreduction to Ammonia on Isolated Ru Sites

   https://doi.org/10.1021/acsnano.2c09691  

   Ke, Zunjian; He, Dong; Yan, Xingxu; Hu, Wenhui; Williams, Nicholas; Kang, Hongxing; Pan, Xiaoqing; Huang, Jier; Gu, Jing; Xiao, Xiangheng (February 2023, ACS Nano)
2. Conversion of NO _x ¹⁻ ( x = 2, 3) to NO using an oxygen-deficient polyoxovanadate–alkoxide cluster

   https://doi.org/10.1039/C9CC08230A  

   Petel, Brittney E.; Matson, Ellen M. (January 2020, Chemical Communications)

   We report the activation of nitrogen-containing oxyanions using an oxygen-deficient polyoxovanadate–alkoxide cluster. Reduction of NO 2 1− and NO 3 1− results in near-quantitative oxygen atom transfer to the coordinatively unsaturated V III ion, and selective formation of NO. These results provide insight into possible mechanisms of oxyanion reduction by polyoxometalates. 

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3. Hemilabile Proton Relays and Redox Activity Lead to {FeNO} ^x and Significant Rate Enhancements in NO ₂ ^– Reduction

   https://doi.org/10.1021/jacs.8b08520  

   Cheung, Pui Man; Burns, Kyle T.; Kwon, Yubin M.; Deshaye, Megan Y.; Aguayo, Kristopher J.; Oswald, Victoria F.; Seda, Takele; Zakharov, Lev N.; Kowalczyk, Tim; Gilbertson, John D. (November 2018, Journal of the American Chemical Society)
4. Fe ₄ Cluster and a Buckled Macrocycle Complex from the Reduction of [(dmgBF ₂ ) ₂ Fe(L) ₂ ] (L = MeCN, ^t Bu ⁱ NC)

   https://doi.org/10.1021/ic202253v  

   Rose, Michael J.; Winkler, Jay R.; Gray, Harry B. (February 2012, Inorganic Chemistry)
5. An effective pathway to design and synthesize UV birefringent crystals via rational assembly of π-conjugated [CO ₃ ] ²⁻ and [NO ₃ ] ⁻ triangles

   https://doi.org/10.1039/d2tc05374h  

   Hu, Zhaowei; Liu, Lili; Zhang, Ruixin; Jing, Qun; Wang, Huan; Tian, Jindan; Xu, Jiayue; Halasyamani, P. Shiv (March 2023, Journal of Materials Chemistry C)

   Planar MO 3 (M = B, C, N) units have frequently been considered important structural components of novel birefringent crystal materials. An efficient approach for constructing new functional crystals is to simultaneously assemble multiple structural motifs together. Two compounds, Na 3 Rb 6 (CO 3 ) 3 (NO 3 ) 2 X·6H 2 O (X = Br and Cl), were synthesized by the integration of three kinds of anionic groups. More interestingly, the [CO 3 ] 2− and [NO 3 ] − groups in Na 3 Rb 6 (CO 3 ) 3 (NO 3 ) 2 X·6H 2 O are all coplanar with the aid of [NaO 7 ] 13− polyhedra, which can enhance the anisotropic polarizability. Na 3 Rb 6 (CO 3 ) 3 (NO 3 ) 2 X·6H 2 O have a large theoretical birefringence of ∼0.165 at 1064 nm and possess a short UV cut-off edge of ∼230 nm. Additionally, the two compounds exhibit good crystal growth habits. These properties illustrate that Na 3 Rb 6 (CO 3 ) 3 (NO 3 ) 2 X·6H 2 O are promising UV birefringent crystals. 

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