Planar pentacoordinate carbons
Carbon centres in typical organic molecules have a coordination number that can reach a
maximum of four, in which case the bonded atoms are situated at the vertices of a …
maximum of four, in which case the bonded atoms are situated at the vertices of a …
Semi-metallic Be5C2 monolayer global minimum with quasi-planar pentacoordinate carbons and negative Poisson's ratio
Designing new materials with novel topological properties and reduced dimensionality is
always desirable for material innovation. Here we report the design of a two-dimensional …
always desirable for material innovation. Here we report the design of a two-dimensional …
FeB6 Monolayers: The Graphene-like Material with Hypercoordinate Transition Metal
By means of density functional theory (DFT) computations and global minimum search using
particle-swarm optimization (PSO) method, we predicted three FeB6 monolayers, namely α …
particle-swarm optimization (PSO) method, we predicted three FeB6 monolayers, namely α …
Structure and bonding in planar hypercoordinate carbon compounds
The term hypercoordination refers to the extent of the coordination of an element by its
normal value. In the hypercoordination sphere, the element can achieve planar and/or non …
normal value. In the hypercoordination sphere, the element can achieve planar and/or non …
Planar hexacoordinate carbons: Half covalent, half ionic
Herein, the first global minima containing a planar hexacoordinate carbon (phC) atom are
reported. The fifteen structures belong to the CE3M3+ (E= S–Te and M= Li–Cs) series and …
reported. The fifteen structures belong to the CE3M3+ (E= S–Te and M= Li–Cs) series and …
CSi n Ge 4− n 2+(n= 1–3): prospective systems containing planar tetracoordinate carbon (ptC)
Density functional theory (DFT) based calculations have been carried out to explore the
potential energy surface (PES) of CSinGe4− n2+/+/0 (n= 1–3) systems. The global minimum …
potential energy surface (PES) of CSinGe4− n2+/+/0 (n= 1–3) systems. The global minimum …
Planar or tetrahedral? A ternary 17-electron CBe 5 H 4+ cluster with planar pentacoordinate carbon
Planar or tetrahedral? A ternary 17-electron CBe 5 H 4 + cluster with planar
pentacoordinate carbon - Chemical Communications (RSC Publishing) DOI:10.1039/D0CC02973D …
pentacoordinate carbon - Chemical Communications (RSC Publishing) DOI:10.1039/D0CC02973D …
Planar pentacoordinate carbon in a sulphur-surrounded boron wheel: The global minimum of CB 5 S 5+
R Sun, B **, B Huo, C Yuan, HJ Zhai… - Chemical …, 2022 - pubs.rsc.org
We report a σ+ π double aromatic CB5S5+ cluster, the first global minimum unusually
having a planar hypercoordinate carbon inside a boron wheel. Five peripheral sulfur atoms …
having a planar hypercoordinate carbon inside a boron wheel. Five peripheral sulfur atoms …
Planar tetracoordinate fluorine atoms
Among the list of planar tetracoordinate atoms, fluorine is missing. So far, there are no
theoretical or experimental reports suggesting their existence. Herein, we introduce the first …
theoretical or experimental reports suggesting their existence. Herein, we introduce the first …
A two-dimensional TiB 4 monolayer exhibits planar octacoordinate Ti
At present, the concept of planar hypercoordination in chemistry meets the fast development
of two-dimensional (2D) nanomaterials, leading to considerable interest in searching for 2D …
of two-dimensional (2D) nanomaterials, leading to considerable interest in searching for 2D …