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

using model chemistry: B3LYP/CEP-31G*

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 B3LYP/CEP-31G*
 hartrees
Energy at 0K-31.450683
Energy at 298.15K-31.450549
HF Energy-31.450683
Nuclear repulsion energy25.566843
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 B3LYP/CEP-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σ 1977 1909 79.82      
2 Σ 1282 1238 7.68      
3 Π 551 532 10.69      
3 Π 477 460 33.26      

Unscaled Zero Point Vibrational Energy (zpe) 2142.7 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 2069.2 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 B3LYP/CEP-31G*
B
0.37699

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.289
C2 0.000 0.000 -0.040
O3 0.000 0.000 1.158

Atom - Atom Distances (Å)
  N1 C2 O3
N11.24842.4465
C21.24841.1981
O32.44651.1981

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 B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.150      
2 C -0.189      
3 O 0.039      


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 0.692 0.692
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.511 0.000 0.000
y 0.000 -15.857 0.000
z 0.000 0.000 -20.026
Traceless
 xyz
x 3.431 0.000 0.000
y 0.000 1.411 0.000
z 0.000 0.000 -4.842
Polar
3z2-r2-9.684
x2-y21.346
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.607 0.000 0.000
y 0.000 1.531 0.000
z 0.000 0.000 4.495


<r2> (average value of r2) Å2
<r2> 26.845
(<r2>)1/2 5.181