Selenium


general data NMR parameters help

general data

atomic number: 34 atomic weight: 78,96 oxydation number: -2,4,6
electronic configuration:
(Ar)3d104s2p4
[Picture] [Picture] 1.ionisation energy: 942
electron affinity: -194,9 electronegativitiy: 2,55 atomic radius: 1,22
covalent radius: 1,17 ionic radius: (-2) 1,93 electric conductivity 8,0
crystal structure: hexagonal melting point: 494 K boiling point: 958 K
density: 4,8 specific warmth capability: 0,32


NMR data


Isotope 77 Spin quantum number I 1/2
natural abundance (%) 7.63 absolute sensitivity 5.25*10-4
Magnetic moment 0.92677577 Magnetogyric ratio 5.1253857
NMR frequency (7,05 T) 52.241MHz Frequency ratio 19.071513
Reference compound Me2Se Sample Conditions Neat C6D6
relative receptivity DP 5.37*10-4 relative receptivity DC 3.15