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

using model chemistry: CCD/6-311G*

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/6-311G*
 hartrees
Energy at 0K-167.620136
Energy at 298.15K-167.620119
HF Energy-167.170744
Nuclear repulsion energy52.279324
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/6-311G*
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 2238 2137 427.17      
2 Σ 1340 1280 6.05      
3 Π 617 589 19.04      
3 Π 566 541 51.33      

Unscaled Zero Point Vibrational Energy (zpe) 2380.4 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 2273.5 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/6-311G*
B
0.39373

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.265
C2 0.000 0.000 -0.031
O3 0.000 0.000 1.130

Atom - Atom Distances (Å)
  N1 C2 O3
N11.23352.3942
C21.23351.1607
O32.39421.1607

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