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

using model chemistry: CCSD/aug-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/aug-cc-pVTZ
 hartrees
Energy at 0K-167.734635
Energy at 298.15K-167.734576
HF Energy-167.192383
Nuclear repulsion energy52.071654
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/aug-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 1973 1886 69.16      
2 Σ 1298 1240 6.96      
3 Π 597 570 13.90      
3 Π 520 497 35.45      

Unscaled Zero Point Vibrational Energy (zpe) 2193.6 cm-1
Scaled (by 0.9558) Zero Point Vibrational Energy (zpe) 2096.6 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/aug-cc-pVTZ
B
0.39114

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.266
C2 0.000 0.000 -0.039
O3 0.000 0.000 1.136

Atom - Atom Distances (Å)
  N1 C2 O3
N11.22712.4019
C21.22711.1748
O32.40191.1748

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