2020
DOI: 10.1038/s41467-020-16532-x
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Spherical trihedral metallo-borospherenes

Abstract: The discovery of borospherenes unveiled the capacity of boron to form fullerene-like cage structures. While fullerenes are known to entrap metal atoms to form endohedral metallofullerenes, few metal atoms have been observed to be part of the fullerene cages. Here we report the observation of a class of remarkable metallo-borospherenes, where metal atoms are integral parts of the cage surface. We have produced La 3 B 18and Tb 3 B 18and probed their structures and bonding using photoelectron spectroscopy and the… Show more

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Cited by 55 publications
(54 citation statements)
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“…Such species could be synthesized and characterized in gas phases using a La-B binary target in PES experiments. [21][22][23][24] These high-symmetry lanthanide boride complexes and their chemically modi ed derivatives may serve as building blocks to form various nanoclusters and nanomaterials with novel electronic, magnetic, and optical properties.…”
Section: Bonding Analysesmentioning
confidence: 99%
See 2 more Smart Citations
“…Such species could be synthesized and characterized in gas phases using a La-B binary target in PES experiments. [21][22][23][24] These high-symmetry lanthanide boride complexes and their chemically modi ed derivatives may serve as building blocks to form various nanoclusters and nanomaterials with novel electronic, magnetic, and optical properties.…”
Section: Bonding Analysesmentioning
confidence: 99%
“…A family of di-La-doped inverse-sandwich-type mono-deck boron clusters La 2 B n − (n = 7-9) [21,22] and inverse triple-decker La 3 B 14 − were observed in PES experiments [23]. The rst tri-La-doped spherical trihedral metallo − borospherene D 3h La 3 B 18 − with three La atoms as integral parts of the cage surface was discovered very recently in a joint experimental and theoretical investigation [24]. Our group predicted the possibility of the smallest inverse sandwich bi-decker tubular molecular rotor C 2h La 2 B 20…”
Section: Introductionmentioning
confidence: 97%
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“… 30 The first tri-La-doped spherical trihedral metallo-borospherene D 3h La 3 B 18 – with three decacoordinate La centers as integral parts of the cage surface has been discovered recently in a combined experimental and theoretical investigation. 31 The first core–shell spherical trihedral metallo-borospherene D 3h La 3 B 20 – (La 3 [B 2 @B 18 ] − ) with a B 2 core was predicted shortly after. 32 The smallest tri-Ta-doped spherical trihedral metallo-borospherene D 3h Ta 3 B 12 – ( 1 ) has been very recently predicted by our group, which consists of two eclipsed B 3 triangles on the top and bottom interconnected by three B 2 units on the waist.…”
Section: Introductionmentioning
confidence: 99%
“…These unusual structural and electronic properties can be regarded as a consequence of the electron deficiency of boron atom, which gives rise to the extraordinary ability of boron to form delocalized multi-center bonds with itself and other elements. Indeed, the introduction of heteroatoms in boron clusters has created a variety of intriguing doped boron clusters, including metal-centered monocyclic ring/tubular/cage structures, (Romanescu et al, 2011;Jian et al, 2016;Dong et al, 2018;Liang et al, 2018;Chen et al, 2019;Lu et al, 2021), half-sandwich structures, (Chen et al, 2018;Ren et al, 2019), inverse sandwich structures, (Cui et al, 2020;Jiang et al, 2021), metallo-borophenes (Li et al, 2016;Zhang et al, 2016) and metallo-borospherenes, (Chen et al, 2020;Zhang et al, 2021), strongly leading to a new direction of research on boron chemistry and pushing the limit of structural chemistry as well as the record of coordination number in 2D and 3D environments for central metal atoms. (Islas et al, 2007;Liu et al, 2007;Miao et al, 2009;Popov et al, 2014;Pan et al, 2018;Chen et al, 2019).…”
Section: Introductionmentioning
confidence: 99%