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

using model chemistry: CCSD/6-31G(2df,p)

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 CCSD/6-31G(2df,p)
 hartrees
Energy at 0K-167.657350
Energy at 298.15K-167.657307
HF Energy-167.145649
Nuclear repulsion energy52.031526
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 CCSD/6-31G(2df,p)
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 2011 1902 52.93      
2 Σ 1309 1238 6.27      
3 Π 611 577 16.99      
3 Π 537 507 38.09      

Unscaled Zero Point Vibrational Energy (zpe) 2233.7 cm-1
Scaled (by 0.9455) Zero Point Vibrational Energy (zpe) 2111.9 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 CCSD/6-31G(2df,p)
B
0.39054

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31G(2df,p)

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 -0.039
O3 0.000 0.000 1.137

Atom - Atom Distances (Å)
  N1 C2 O3
N11.22812.4037
C21.22811.1756
O32.40371.1756

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