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1. Versatility of Tellurium in Heteroanionic Ln ₂ O ₂ Te (Ln = La, Ce, Pr) and Tellurate Ln ₂ TeO ₆ (Ln = La, Pr)

   https://doi.org/10.1021/acs.inorgchem.2c02287  

   Orr, Melissa S.; Cruz, Katheryn R.; Nguyen, Hoa H.; Kojima, Akari L.; Macaluso, Robin T. (November 2022, Inorganic Chemistry)
2. From Ln ₂ O ₂ S to Ln ₁₀ OS ₁₄ : exploring the sulphur spectrum of trivalent lanthanoid oxysulphides

   https://doi.org/10.1039/D4DT00294F  

   Wuille_Bille, Brian A; Velázquez, Jesús M (April 2024, Dalton Transactions)

   Lanthanoid oxysulphides exhibit great versatility in their chemical compositions which allow for their optoelectronic properties to be tuned by the relative amounts of oxygen and sulphur present in their crystal structures. 

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3. Thermodynamic assessment of BaO–Ln ₂ O ₃ (Ln = La, Pr, Eu, Gd, Er) systems

   https://doi.org/10.1111/jace.17060  

   Gong, Weiping; Liu, Yanzhi; Xie, Yun; Zhao, Zhenting; Ushakov, Sergey V.; Navrotsky, Alexandra (February 2020, Journal of the American Ceramic Society)

   Abstract Heat capacities and enthalpies of formation of BaGd₂O₄were determined by high‐temperature differential scanning calorimetry and high‐temperature oxide melt solution calorimetry, respectively. Thermodynamic stability of BaLn₂O₄compounds increases with decreasing Ln³⁺ionic radius. Previously reported data on BaNd₂O₄and BaSm₂O₄corroborate this trend. Missing data for compounds in BaO–Ln₂O₃(Ln = La, Pr, Eu, Er) systems were estimated from established relations, thermodynamic assessment was performed, and binary phase diagrams were calculated. 

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4. Formation of the End-on Bound Lanthanide Dinitrogen Complexes [(R ₂ N) ₃ Ln–N═N–Ln(NR ₂ ) ₃ ] ^2– from Divalent [(R ₂ N) ₃ Ln] ^1– Salts (R = SiMe ₃ )

   https://doi.org/10.1021/jacs.0c01021  

   Ryan, Austin J.; Balasubramani, Sree ganesh; Ziller, Joseph W.; Furche, Filipp; Evans, William J. (May 2020, Journal of the American Chemical Society)

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5. Synthesis and crystallographic characterization of diphenylamide rare-earth metal complexes Ln (NPh ₂ ) ₃ (THF) ₂ and [(Ph ₂ N) ₂ Ln (μ-NPh ₂ )] ₂

   https://doi.org/10.1107/S2056989020009998  

   Palumbo, Chad T.; Kotyk, Christopher M.; Ziller, Joseph W.; Evans, William J. (September 2020, Acta Crystallographica Section E Crystallographic Communications)

   null (Ed.)

   Studies of the coordination chemistry between the diphenylamide ligand, NPh 2 , and the smaller rare-earth Ln III ions, Ln = Y, Dy, and Er, led to the structural characterization by single-crystal X-ray diffraction crystallography of both solvated and unsolvated complexes, namely, tris(diphenylamido-κ N )bis(tetrahydrofuran-κ O )yttrium(III), Y(NPh 2 ) 3 (THF) 2 or [Y(C 12 H 10 N) 3 (C 4 H 8 O) 2 ], 1-Y , and the erbium(III) (Er), 1-Er , analogue, and bis[μ-1κ N :2(η 6 )-diphenylamido]bis[bis(diphenylamido-κ N )yttrium(III)], [(Ph 2 N) 2 Y(μ-NPh 2 )] 2 or [Y 2 (C 12 H 10 N) 6 ], 2-Y , and the dysprosium(III) (Dy), 2-Dy , analogue. The THF ligands of 1-Er are modeled with disorder across two positions with occupancies of 0.627 (12):0.323 (12) and 0.633 (7):0.367 (7). Also structurally characterized was the tetrametallic Er III bridging oxide hydrolysis product, bis(μ-diphenylamido-κ 2 N : N )bis[μ-1κ N :2(η 6 )-diphenylamido]tetrakis(diphenylamido-κ N )di-μ 3 -oxido-tetraerbium(III) benzene disolvate, {[(Ph 2 N)Er(μ-NPh 2 )] 4 (μ-O) 2 }·(C 6 H 6 ) 2 or [Er 4 (C 12 H 10 N) 8 O 2 ]·2C 6 H 6 , 3-Er . The 3-Er structure was refined as a three-component twin with occupancies 0.7375:0.2010:0.0615. 

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