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

using model chemistry: HF/6-31G*

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 HF/6-31G*
 hartrees
Energy at 0K-167.128875
Energy at 298.15K-167.128855
HF Energy-167.128875
Nuclear repulsion energy52.722390
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 HF/6-31G*
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 1959 1760 20.16      
2 Σ 1406 1264 1.28      
3 Π 630 566 33.49      
3 Π 555 498 54.82      

Unscaled Zero Point Vibrational Energy (zpe) 2275.0 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 2044.1 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 HF/6-31G*
B
0.40096

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.250
C2 0.000 0.000 -0.038
O3 0.000 0.000 1.122

Atom - Atom Distances (Å)
  N1 C2 O3
N11.21252.3723
C21.21251.1598
O32.37231.1598

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 HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.383      
2 C 0.727      
3 O -0.344      


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 0.815 0.815
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.445 0.000 0.000
y 0.000 -15.754 0.000
z 0.000 0.000 -20.742
Traceless
 xyz
x 3.803 0.000 0.000
y 0.000 1.839 0.000
z 0.000 0.000 -5.642
Polar
3z2-r2-11.285
x2-y21.309
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.459 0.000 0.000
y 0.000 1.244 0.000
z 0.000 0.000 4.296


<r2> (average value of r2) Å2
<r2> 31.628
(<r2>)1/2 5.624