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

using model chemistry: MP2=FULL/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 MP2=FULL/3-21G*
 hartrees
Energy at 0K-487.734479
Energy at 298.15K-487.734234
Nuclear repulsion energy70.584023
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=FULL/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 2737 2595 15.78      
2 Σ 696 660 17.35      
3 Π 516 490 3.11      
3 Π 482 457 4.03      

Unscaled Zero Point Vibrational Energy (zpe) 2215.8 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 2100.6 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=FULL/3-21G*
B
0.20033

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.647
S2 0.000 0.000 1.029
N3 0.000 0.000 -1.798

Atom - Atom Distances (Å)
  C1 S2 N3
C11.67611.1509
S21.67612.8271
N31.15092.8271

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