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

using model chemistry: MP3/Def2TZVPP

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 MP3/Def2TZVPP
 hartrees
Energy at 0K-167.721007
Energy at 298.15K-167.721002
HF Energy-167.198729
Nuclear repulsion energy52.427951
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 MP3/Def2TZVPP
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 2239 2239 454.57      
2 Σ 1344 1344 6.63      
3 Π 627 627 18.52      
3 Π 572 572 48.79      

Unscaled Zero Point Vibrational Energy (zpe) 2391.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2391.2 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 MP3/Def2TZVPP
B
0.39596

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/Def2TZVPP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.261
C2 0.000 0.000 -0.031
O3 0.000 0.000 1.126

Atom - Atom Distances (Å)
  N1 C2 O3
N11.23032.3875
C21.23031.1572
O32.38751.1572

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