Physical properties
Phase solid
Density (near r.t.) 10.49 g/cm3
Liquid density at m.p. 9.320 g/cm3
Melting point 1234.93 K (961.78°C, 1763.2°F)
Boiling point 2435 K (2162°C, 3924°F)
Heat of fusion 11.28 kJ/mol
Heat of vaporization 258 kJ/mol
Heat capacity (25°C) 25.350 J/(mol K)
Atomic Properties
Crystal structure cubic face centered
Oxidation states 1 (amphoteric oxide)
Electronegativity 1.93 (Pauling scale)
Ionization energies  
1st: 731.0 kJ/mol
 2nd: 2070 kJ/mol
 3rd: 3361 kJ/mol
Atomic radius 160 pm
Atomic radius (calc.) 165 pm
Covalent radius 153 pm
Van der Waals radius 172 pm
Table 1: The properties of NS (Nanocid L-2000) used in this study.