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

using model chemistry: B2PLYP/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 B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-167.950055
Energy at 298.15K-167.949985
HF Energy-167.773166
Nuclear repulsion energy52.018221
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 B2PLYP/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 2037 1955 105.30      
2 Σ 1277 1225 8.62      
3 Π 588 564 13.77      
4 Π 513 492 39.08      

Unscaled Zero Point Vibrational Energy (zpe) 2207.9 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 2118.3 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 B2PLYP/cc-pVTZ
B
0.39035

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.260
C2 0.000 0.000 -0.060
O3 0.000 0.000 1.148

Atom - Atom Distances (Å)
  N1 C2 O3
N11.20052.4084
C21.20051.2079
O32.40841.2079

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
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.147      
2 C 0.293      
3 O -0.146      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.818 0.000 0.000
y 0.000 1.763 0.000
z 0.000 0.000 4.386


<r2> (average value of r2) Å2
<r2> 32.184
(<r2>)1/2 5.673