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All results from a given calculation for SCN (thiocyanato radical)

using model chemistry: B3LYP/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 2Π
Energy calculated at B3LYP/3-21G*
 hartrees
Energy at 0K-488.621052
Energy at 298.15K-488.620765
Nuclear repulsion energy70.823958
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3LYP/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 1998 1923 8.55      
2 Σ 761 732 1.85      
3 Π 478 460 1.35      
3 Π 436 419 4.04      

Unscaled Zero Point Vibrational Energy (zpe) 1837.0 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 1767.2 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3LYP/3-21G*
B
0.20261

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.614
S2 0.000 0.000 1.019
N3 0.000 0.000 -1.802

Atom - Atom Distances (Å)
  C1 S2 N3
C11.63331.1877
S21.63332.8211
N31.18772.8211

picture of thiocyanato radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S2 C1 N3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.101      
2 S 0.275      
3 N -0.376      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.946 1.946
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.351 0.000 0.000
y 0.000 -22.085 0.000
z 0.000 0.000 -26.857
Traceless
 xyz
x 0.121 0.000 0.000
y 0.000 3.519 0.000
z 0.000 0.000 -3.639
Polar
3z2-r2-7.279
x2-y2-2.265
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.930 0.000 0.000
y 0.000 2.119 0.000
z 0.000 0.000 6.991


<r2> (average value of r2) Å2
<r2> 56.870
(<r2>)1/2 7.541