Sign in to download full-size image Scheme 13. Enantioselective Diels–Alder reactions proceed smoothly in the presence of a chiral Sc catalyst, preparedin situfrom Sc(OTf)3, (R)-(+)-1,1′-bi-2-naphthol [(R)-BINOL], and atertiary aminein dichloromethane.58The catalyst is also effective...
Block:d-block Ground State Configuration:[Ar] 3d 4s2 Ground State Level:2D3/2 Standard State:Solid Bond Length:321.2 Atomic Radius Empirical:160 Atomic Radius Calculated:184 Covalent Radius Empirical:144 Electron Affinity:18.1 First Ionization Energy:633.1 ...
21Sc44.96Scandium See more Scandium products.Scandium (atomic symbol: Sc, atomic number: 21) is a Block D, Group 3, Period 4 element with an atomic weight of 44.955912. The number of electrons in each of Scandium's shells is [2, 8, 9, 2] and its electron configuration is [Ar] 3d...
52Te127.60Tellurium See more Tellurium products.Tellurium (atomic symbol: Te, atomic number: 52) is a Block P, Group 16, Period 5 element with an atomic radius of 127.60.The number of electrons in each of tellurium's shells is 2, 8, 18, 18, 6 and its electron configuration is [Kr]...
Full size image The analysis of N-N lengths in ScN5suggests that all N-N bonds are single bonds (Fig.4d). All N atoms can be considered assp3-hybridized, which also explains that the values of N-N-N angles in the N12cycles are close to the ideal tetrahedra angle (98.7°−114.5°...
Raymond Tan, Vice Chancellor for Research and Innovation of De La Salle University-Manila, for providing the documentation in support of the full waiver request for the Article Processing Charges. The license for the software used was acquired through the service of his office under 27 N 1TAY...
This allows you to debug Electron's renderer process. This requires you to install the Debugger for Chrome extension. Note that you cannot open the DevTools window while using this debug configuration. Chromium only allows one debugger, opening another will crash the program. Note on Third-Party...
See more Magnesium products.Magnesium (atomic symbol: Mg, atomic number: 12) is a Block S, Group 2, Period 3 element with an atomic mass of 24.3050. The number of electrons in each of Magnesium's shells is [2, 8, 2] and its electron configuration is [Ne] 3s2. The magnesium atom ...
The number of electrons in each of Sulfur's shells is 2, 8, 6 and its electron configuration is [Ne] 3s2 3p4. In its elemental form, sulfur has a light yellow appearance. The sulfur atom has a covalent radius of 105 pm and a Van der Waals radius of 180 pm. In nature, sulfur ...
Full size image To evaluate the formation possibilities of interstitial electrons in Y–Cl and Sc–Cl compounds, we compared the configuration of interstitial voids in Y–Cl and Sc–Cl with other rare-earth-metal-containing electrides, e.g. A2B-type compounds (anti-CdCl2structure: Y2C, Gd2...