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

using model chemistry: ROHF/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 ROHF/6-31G(2df,p)
 hartrees
Energy at 0K-167.138149
Energy at 298.15K-167.138228
HF Energy-167.138149
Nuclear repulsion energy53.040122
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 ROHF/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 2380 2380 568.57      
2 Σ 1394 1394 0.00      
3 Π 706 706 39.72      
3 Π 649 649 71.68      

Unscaled Zero Point Vibrational Energy (zpe) 2565.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2565.0 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 ROHF/6-31G(2df,p)
B
0.40464

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

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 -0.024
O3 0.000 0.000 1.112

Atom - Atom Distances (Å)
  N1 C2 O3
N11.22672.3619
C21.22671.1352
O32.36191.1352

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 ROHF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.361      
2 C 0.646      
3 O -0.285      


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 0.608 0.608
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.678 0.000 0.000
y 0.000 -14.313 0.000
z 0.000 0.000 -20.606
Traceless
 xyz
x 1.781 0.000 0.000
y 0.000 3.829 0.000
z 0.000 0.000 -5.611
Polar
3z2-r2-11.221
x2-y2-1.365
xy0.000
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 31.366
(<r2>)1/2 5.601