Computational_Chemistry:	['1 . Hydrogen Bond Donor Count 0 ', '2 . Hydrogen Bond Acceptor Count 0 ', '3 . Rotatable Bond Count 0 ', '4 . TPSA 0 ', '5 . Heavy Atom Count 3 ', '6 . Topological Polar Surface Area 0 ', '7 . Complexity 183 ', '8 . Isotope Atom Count 0 ', '9 . Defined Atom Stereocenter Count 0 ', '10 . Undefined Atom Stereocenter Count 0 ', '11 . Defined Bond Stereocenter Count 0 ', '12 . Undefined Bond Stereocenter Count 0 ', '13 . Covalently-Bonded Unit Count 1']
FW:	149.07700
Melting_Point:	1940ºC
Density:	5.7
MF:	NbSi2
More_Info:	['1 . Appearance 灰色六方结晶。 ', '2 . Density（g/mL,25℃）57 ', '3 . Relative vapor density（g/mL,Atmosphere =1）Unknow ', '4 . Melting point（ºC）1950 ', '5 . Boiling point（ºC,Atmospheric pressure）Unknow ', '6 . Boiling point（ºC，1mmHg）Unknow ', '7 . Refractive indexUnknow ', '8 . Flash point（ºC）Unknow ', '9 . Specific rotation（º）Unknow ', '10 . Spontaneous ignition point or ignition temperature（ºC）Unknow ', '11 . Vapor pressure（20ºC）Unknow ', '12 . Saturated vapor pressure（kPa,60ºC）Unknow ', '13 . Combustion heat（KJ/mol）Unknow ', '14 . Critical temperature（ºC）Unknow ', '15 . Critical pressure（KPa）Unknow ', '16 . Oil-water（Octanol /Water ）Logarithmic Value of Distribution Coefficient Unknow ', '17 . Upper limit of explosion（%,V/V）Unknow ', '18 . Lower limit of explosion（%,V/V）Unknow ', '19 . Solubility Insoluble in Water 浓盐酸浓硫酸，Soluble in 氢氟酸and 硫酸的混合溶液中。']
Exact_Mass:	148.86000