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

using model chemistry: PBEPBE/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 PBEPBE/6-31G*
 hartrees
Energy at 0K-167.825084
Energy at 298.15K-167.824907
HF Energy-167.825084
Nuclear repulsion energy51.249744
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 PBEPBE/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 1979 1950 38.02      
2 Σ 1254 1236 8.79      
3 Π 530 523 9.67      
3 Π 445 438 31.39      

Unscaled Zero Point Vibrational Energy (zpe) 2104.0 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 2073.9 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 PBEPBE/6-31G*
B
0.37913

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.284
C2 0.000 0.000 -0.043
O3 0.000 0.000 1.156

Atom - Atom Distances (Å)
  N1 C2 O3
N11.24062.4395
C21.24061.1989
O32.43951.1989

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 PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.320      
2 C 0.599      
3 O -0.278      


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 0.742 0.742
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.384 0.000 0.000
y 0.000 -15.664 0.000
z 0.000 0.000 -19.520
Traceless
 xyz
x 3.208 0.000 0.000
y 0.000 1.288 0.000
z 0.000 0.000 -4.496
Polar
3z2-r2-8.991
x2-y21.280
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.438 0.000 0.000
y 0.000 1.334 0.000
z 0.000 0.000 4.286


<r2> (average value of r2) Å2
<r2> 32.553
(<r2>)1/2 5.705