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

using model chemistry: CCSD/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-167.724327
Energy at 298.15K-167.724264
HF Energy-167.190303
Nuclear repulsion energy52.078886
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/cc-pVTZ
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 1982 1866 59.61      
2 Σ 1301 1224 6.67      
3 Π 593 558 15.02      
3 Π 517 487 37.03      

Unscaled Zero Point Vibrational Energy (zpe) 2196.0 cm-1
Scaled (by 0.9412) Zero Point Vibrational Energy (zpe) 2066.9 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/cc-pVTZ
B
0.39128

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.265
C2 0.000 0.000 -0.039
O3 0.000 0.000 1.136

Atom - Atom Distances (Å)
  N1 C2 O3
N11.22632.4014
C21.22631.1751
O32.40141.1751

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