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

using model chemistry: BLYP/3-21G*

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 BLYP/3-21G*
 hartrees
Energy at 0K-167.046775
Energy at 298.15K-167.046596
HF Energy-167.046775
Nuclear repulsion energy50.611158
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 BLYP/3-21G*
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 1802 1790 5.57      
2 Σ 1178 1171 7.21      
3 Π 504 500 4.01      
3 Π 470 467 22.03      

Unscaled Zero Point Vibrational Energy (zpe) 1976.7 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 1963.9 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 BLYP/3-21G*
B
0.37015

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.295
C2 0.000 0.000 -0.053
O3 0.000 0.000 1.173

Atom - Atom Distances (Å)
  N1 C2 O3
N11.24282.4685
C21.24281.2258
O32.46851.2258

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 BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.303      
2 C 0.618      
3 O -0.315      


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 0.704 0.704
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.578 0.000 0.000
y 0.000 -14.363 0.000
z 0.000 0.000 -20.026
Traceless
 xyz
x 1.616 0.000 0.000
y 0.000 3.439 0.000
z 0.000 0.000 -5.056
Polar
3z2-r2-10.111
x2-y2-1.215
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.963 0.000 0.000
y 0.000 1.177 0.000
z 0.000 0.000 3.863


<r2> (average value of r2) Å2
<r2> 33.175
(<r2>)1/2 5.760