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

using model chemistry: MP2/CEP-121G

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 MP2/CEP-121G
 hartrees
Energy at 0K-25.212724
Energy at 298.15K-25.212419
Nuclear repulsion energy21.818810
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 MP2/CEP-121G
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 2900 2830 133.38      
2 Σ 657 641 36.21      
3 Π 485 474 2.04      
3 Π 448 437 3.98      

Unscaled Zero Point Vibrational Energy (zpe) 2244.7 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 2190.9 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 MP2/CEP-121G
B
0.18697

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.695
S2 0.000 0.000 1.069
N3 0.000 0.000 -1.848

Atom - Atom Distances (Å)
  C1 S2 N3
C11.76391.1533
S21.76392.9172
N31.15332.9172

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