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

using model chemistry: MP4/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 MP4/Def2TZVPP
 hartrees
Energy at 0K-167.758453
Energy at 298.15K-167.758420
HF Energy-167.196573
Nuclear repulsion energy51.856798
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/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 2308 2308        
2 Σ 1267 1267        
3 Π 605 605        
3 Π 556 556        

Unscaled Zero Point Vibrational Energy (zpe) 2368.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2368.3 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/Def2TZVPP
B
0.38738

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/Def2TZVPP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.275
C2 0.000 0.000 -0.030
O3 0.000 0.000 1.138

Atom - Atom Distances (Å)
  N1 C2 O3
N11.24542.4138
C21.24541.1684
O32.41381.1684

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