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All results from a given calculation for NCO (isocyanato radical)

using model chemistry: CCD/6-31G*

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 CCD/6-31G*
 hartrees
Energy at 0K-167.551912
Energy at 298.15K-167.551862
HF Energy-167.127402
Nuclear repulsion energy51.920920
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 CCD/6-31G*
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 2255 2134 427.62      
2 Σ 1350 1278 6.08      
3 Π 587 555 20.85      
4 Π 551 522 53.60      

Unscaled Zero Point Vibrational Energy (zpe) 2371.5 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 2244.6 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 CCD/6-31G*
B
0.38846

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.253
C2 0.000 0.000 -0.063
O3 0.000 0.000 1.144

Atom - Atom Distances (Å)
  N1 C2 O3
N11.19012.3975
C21.19011.2074
O32.39751.2074

picture of isocyanato radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability