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

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G**
 hartrees
Energy at 0K-167.555936
Energy at 298.15K-167.555921
HF Energy-167.126410
Nuclear repulsion energy51.775530
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/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 2509 2344 994.50      
2 Σ 1315 1229 1.49      
3 Π 611 571 20.23      
3 Π 579 541 63.87      

Unscaled Zero Point Vibrational Energy (zpe) 2506.9 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 2342.5 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 MP2=FULL/6-31G**
B
0.38579

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.279
C2 0.000 0.000 -0.027
O3 0.000 0.000 1.139

Atom - Atom Distances (Å)
  N1 C2 O3
N11.25292.4189
C21.25291.1660
O32.41891.1660

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