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

using model chemistry: QCISD(T)=FULL/cc-pVQZ

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 QCISD(T)=FULL/cc-pVQZ
 hartrees
Energy at 0K-167.889827
Energy at 298.15K-167.889738
HF Energy-167.202111
Nuclear repulsion energy52.019157
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 QCISD(T)=FULL/cc-pVQZ
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 1996 1996        
2 Σ 1273 1273        
3 Π 578 578        
3 Π 499 499        

Unscaled Zero Point Vibrational Energy (zpe) 2173.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2173.0 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 QCISD(T)=FULL/cc-pVQZ
B
0.39047

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/cc-pVQZ

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
N11.22762.4039
C21.22761.1763
O32.40391.1763

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