Special Issue "Planar Tetracoordinate Carbon—Fifty Years and Beyond"
A special issue of Atoms (ISSN 2218-2004). This special issue belongs to the section "Quantum Chemistry, Computational Chemistry and Molecular Physics".
Deadline for manuscript submissions: 31 July 2021.
Interests: planar tetracoordinate carbon; astrochemistry; quantum chemistry; molecular spectroscopy
In 1968, Monkhorst first mentioned the idea of planar tetracoordinate carbon (ptC) in the literature for a transition-state geometry. Later, in 1970, Hoffmann and co-workers had shown ways to stabilize molecules containing ptC atom. In the last fifty years, a plethora of molecules containing ptC have been theoretically characterized, and some experimentally detected. The concept of molecules with a ptC atom still enthralls both experimentalists and theoreticians, as it is a fundamental deviation from the tetrahedral tetracoordinate carbon atom, defined independently by van’t Hoff and Le Bel in 1874. Thus, ptC molecules can collectively be defined as “anti-van’t Hoff–Le Bel molecules”. Over a period of time, the idea has not only been extended to carbon group elements (Si, Ge, etc.) but also to other elements such as B, N, Al, and P and very recently even to the F atom. Molecules with a planar hypercoordinate carbon (phC) and other elements have also been witnessed in the literature over time. The core chemistry-based motivation in identifying these special classes of molecules stems from the fundamental fact that no two structural isomers of a given elemental composition behave in the same way chemically. Additionally, the idea of ptC or phC is a helpful tool to develop potential new 2D materials. The purpose of this Special Issue is to collect some recent trends in this subject area, as the field is continuously emerging and would supplement the existing literature. Therefore, we warmly welcome contributions from both experimental and theoretical scientific communities working in this field.
Dr. Venkatesan S. Thimmakondu
Dr. Krishnan Thirumoorthy
Manuscript Submission Information
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- planar tetracoordinate carbon
- planar tetracoordinate silicon
- planar hypercoordinate carbon
- planar hypercoordinate silicon
- planar pentacoordinate carbon
- planar pentacoordinate silicon
- 2D materials
- anti-van’t Hoff–Le Bel molecules