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

using model chemistry: QCISD(TQ)/cc-pVQZ

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 QCISD(TQ)/cc-pVQZ
 hartrees
Energy at 0K-167.798533
Energy at 298.15K-167.798438
HF Energy-167.201766
Nuclear repulsion energy51.947083
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 QCISD(TQ)/cc-pVQZ
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 1941 1941        
2 Σ 1270 1270        
3 Π 575 575        
3 Π 495 495        

Unscaled Zero Point Vibrational Energy (zpe) 2139.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2139.8 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 QCISD(TQ)/cc-pVQZ
B
0.38946

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(TQ)/cc-pVQZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.268
C2 0.000 0.000 -0.040
O3 0.000 0.000 1.139

Atom - Atom Distances (Å)
  N1 C2 O3
N11.22752.4070
C21.22751.1795
O32.40701.1795

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