[As3M(As3Pb3)]3− (M = Nb, Ta): Ternary Heterometallic Clusters with Early Transition Metal Atoms and Aromatic [Pb3]2−
Cong-Cong Shu
Tianjin Key Lab for Rare Earth Materials and Applications, State Key Laboratory of Elemento-Organic Chemistry, School of Materials Science and Engineering, Nankai University, Tianjin, 300350 China
Search for more papers by this authorLei Qiao
Tianjin Key Lab for Rare Earth Materials and Applications, State Key Laboratory of Elemento-Organic Chemistry, School of Materials Science and Engineering, Nankai University, Tianjin, 300350 China
Search for more papers by this authorCorresponding Author
Alvaro Muñoz-Castro
Grupo de Química Inorgánicay Materiales Moleculares, Facultad de Ingenieria, Universidad Autonoma de Chile, El Llano Subercaseaux, Santiago, 2801 Chile
E-mail: [email protected]; [email protected]Search for more papers by this authorCorresponding Author
Zhong-Ming Sun
Tianjin Key Lab for Rare Earth Materials and Applications, State Key Laboratory of Elemento-Organic Chemistry, School of Materials Science and Engineering, Nankai University, Tianjin, 300350 China
E-mail: [email protected]; [email protected]Search for more papers by this authorCong-Cong Shu
Tianjin Key Lab for Rare Earth Materials and Applications, State Key Laboratory of Elemento-Organic Chemistry, School of Materials Science and Engineering, Nankai University, Tianjin, 300350 China
Search for more papers by this authorLei Qiao
Tianjin Key Lab for Rare Earth Materials and Applications, State Key Laboratory of Elemento-Organic Chemistry, School of Materials Science and Engineering, Nankai University, Tianjin, 300350 China
Search for more papers by this authorCorresponding Author
Alvaro Muñoz-Castro
Grupo de Química Inorgánicay Materiales Moleculares, Facultad de Ingenieria, Universidad Autonoma de Chile, El Llano Subercaseaux, Santiago, 2801 Chile
E-mail: [email protected]; [email protected]Search for more papers by this authorCorresponding Author
Zhong-Ming Sun
Tianjin Key Lab for Rare Earth Materials and Applications, State Key Laboratory of Elemento-Organic Chemistry, School of Materials Science and Engineering, Nankai University, Tianjin, 300350 China
E-mail: [email protected]; [email protected]Search for more papers by this authorMain observation and conclusion
Two ternary clusters, [As3Nb(As3Pb3)]3− 1 and [As3Ta(As3Pb3)]3− 2, were directly extracted from “K8NbPbAs5” and “K8TaPbAs5” intermetallic solid in the presence of ethylenediamine and 2.2.2-crypt, respectively. Both 1 and 2, comprising an electron-poor early transition metal-atom Nb or Ta coordinated to a As3 triangle and a bowl-like As3Pb3, were characterized by single crystal X-ray diffraction, energy dispersive X-ray (EDX) and electrospray ionization mass-spectrometry (ESI-MS). They also represent the first examples of the Pb-As hybrid in solution-based Zintl anion chemistry and DFT calculations revealed a σ-aromaticity of the [Pb3]2− unit.
Supporting Information
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