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

using model chemistry: MP4=FULL/cc-pVTZ

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 MP4=FULL/cc-pVTZ
 hartrees
Energy at 0K-167.793989
Energy at 298.15K-167.793959
HF Energy-167.189837
Nuclear repulsion energy51.981172
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 MP4=FULL/cc-pVTZ
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 2314 2228        
2 Σ 1280 1232        
3 Π 604 582        
3 Π 556 535        

Unscaled Zero Point Vibrational Energy (zpe) 2376.9 cm-1
Scaled (by 0.9629) Zero Point Vibrational Energy (zpe) 2288.7 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 MP4=FULL/cc-pVTZ
B
0.38932

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.272
C2 0.000 0.000 -0.031
O3 0.000 0.000 1.136

Atom - Atom Distances (Å)
  N1 C2 O3
N11.24082.4077
C21.24081.1669
O32.40771.1669

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