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

using model chemistry: CCD/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 CCD/cc-pVTZ
 hartrees
Energy at 0K-167.714043
Energy at 298.15K-167.714035
HF Energy-167.191145
Nuclear repulsion energy52.354038
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 CCD/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 2248 2099 465.57      
2 Σ 1334 1246 5.88      
3 Π 623 581 19.16      
3 Π 569 531 49.56      

Unscaled Zero Point Vibrational Energy (zpe) 2386.7 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 2228.5 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 CCD/cc-pVTZ
B
0.39487

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.263
C2 0.000 0.000 -0.031
O3 0.000 0.000 1.128

Atom - Atom Distances (Å)
  N1 C2 O3
N11.23162.3908
C21.23161.1592
O32.39081.1592

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