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

using model chemistry: CCSD(T)/6-311G**

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(T)/6-311G**
 hartrees
Energy at 0K-167.651972
Energy at 298.15K-167.651872
HF Energy-167.168628
Nuclear repulsion energy51.717343
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(T)/6-311G**
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 1977 1907        
2 Σ 1270 1225        
3 Π 566 546        
3 Π 496 478        

Unscaled Zero Point Vibrational Energy (zpe) 2154.0 cm-1
Scaled (by 0.9647) Zero Point Vibrational Energy (zpe) 2078.0 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 CCSD(T)/6-311G**
B
0.38592

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-311G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.274
C2 0.000 0.000 -0.039
O3 0.000 0.000 1.144

Atom - Atom Distances (Å)
  N1 C2 O3
N11.23562.4181
C21.23561.1825
O32.41811.1825

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