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

using model chemistry: PBEPBEultrafine/6-31G(2df,p)

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 PBEPBEultrafine/6-31G(2df,p)
 hartrees
Energy at 0K-167.837037
Energy at 298.15K-167.836937
HF Energy-167.837037
Nuclear repulsion energy51.479665
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 PBEPBEultrafine/6-31G(2df,p)
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 1983 1962 38.17      
2 Σ 1258 1245 8.51      
3 Π 580 574 11.08      
3 Π 489 484 31.74      

Unscaled Zero Point Vibrational Energy (zpe) 2154.5 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 2132.3 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 PBEPBEultrafine/6-31G(2df,p)
B
0.38248

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.279
C2 0.000 0.000 -0.042
O3 0.000 0.000 1.150

Atom - Atom Distances (Å)
  N1 C2 O3
N11.23672.4288
C21.23671.1922
O32.42881.1922

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 PBEPBEultrafine/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.382      
2 C 0.550      
3 O -0.168      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.788 0.788
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.369 0.000 0.000
y 0.000 -15.600 0.000
z 0.000 0.000 -19.321
Traceless
 xyz
x 3.091 0.000 0.000
y 0.000 1.245 0.000
z 0.000 0.000 -4.336
Polar
3z2-r2-8.673
x2-y21.231
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.744 0.000 0.000
y 0.000 1.683 0.000
z 0.000 0.000 4.291


<r2> (average value of r2) Å2
<r2> 32.300
(<r2>)1/2 5.683