La3B14-: an inverse triple-decker lanthanide boron cluster

被引：43
作者：
Chen, Teng-Teng [1 ]
Li, Wan-Lu [2 ,3 ]
Chen, Wei-Jia [1 ]
Li, Jun [2 ,3 ,4 ]
Wang, Lai-Sheng [1 ]
机构：
[1] Brown Univ, Dept Chem, Providence, RI 02912 USA
[2] Tsinghua Univ, Minist Educ, Dept Chem, Beijing 100084, Peoples R China
[3] Tsinghua Univ, Minist Educ, Key Lab Organ Optoelect & Mol Engn, Beijing 100084, Peoples R China
[4] Southern Univ Sci & Technol, Dept Chem, Shenzhen 518055, Guangdong, Peoples R China
来源：
CHEMICAL COMMUNICATIONS | 2019年 / 55卷 / 54期
基金：
美国国家科学基金会; 中国国家自然科学基金;
关键词：
PHOTOELECTRON-SPECTROSCOPY; SANDWICH COMPLEXES; PLANAR STRUCTURES; TRANSITION; LIGANDS; METALS; SINGLE; DRUM;
D O I：
10.1039/c9cc03807h
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We report the observation of the first inverse triple-decker complex in a tri-lanthanide-doped boron cluster. Photoelectron spectroscopy of La3B14- reveals well-resolved photodetachment transitions. Quantum chemical studies show that the most stable structure of the La3B14- cluster exhibits a tilted La-B-8-La-B-8-La inverse triple-decker structure with two conjoined B-8 rings sharing a pair of B atoms due to strong inter-layer B-B bonding. The tilted structure enhances both B-B and B-La bonding, resulting in a highly stable inverse triple-decker structure. Theoretical calculations further show that multi-decker conjoined structures are viable as a new class of 1D lanthanide boron nanostructures.
引用
收藏
页码：7864 / 7867
页数：4
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