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

using model chemistry: CID/3-21G*

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 CID/3-21G*
 hartrees
Energy at 0K-166.444560
Energy at 298.15K-166.444498
HF Energy-166.182847
Nuclear repulsion energy51.760501
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 CID/3-21G*
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 1610 1498 1.74      
2 Σ 1379 1283 0.07      
3 Π 561 522 17.27      
3 Π 558 519 38.73      

Unscaled Zero Point Vibrational Energy (zpe) 2053.4 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 1910.7 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 CID/3-21G*
B
0.38714

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.267
C2 0.000 0.000 -0.051
O3 0.000 0.000 1.147

Atom - Atom Distances (Å)
  N1 C2 O3
N11.21552.4137
C21.21551.1982
O32.41371.1982

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