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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/6-31G(2df,p)
 hartrees
Energy at 0K-168.014412
Energy at 298.15K-168.014359
HF Energy-168.014412
Nuclear repulsion energy51.997660
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 B3LYPultrafine/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 2009 1938 54.25      
2 Σ 1304 1258 7.81      
3 Π 606 584 16.32      
3 Π 526 508 37.53      

Unscaled Zero Point Vibrational Energy (zpe) 2221.9 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 2144.1 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 B3LYPultrafine/6-31G(2df,p)
B
0.39017

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.266
C2 0.000 0.000 -0.041
O3 0.000 0.000 1.139

Atom - Atom Distances (Å)
  N1 C2 O3
N11.22562.4048
C21.22561.1792
O32.40481.1792

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 B3LYPultrafine/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.370      
2 C 0.558      
3 O -0.187      


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 0.756 0.756
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.554 0.000 0.000
y 0.000 -14.331 0.000
z 0.000 0.000 -19.627
Traceless
 xyz
x 1.425 0.000 0.000
y 0.000 3.260 0.000
z 0.000 0.000 -4.685
Polar
3z2-r2-9.369
x2-y2-1.223
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.637 0.000 0.000
y 0.000 1.722 0.000
z 0.000 0.000 4.192


<r2> (average value of r2) Å2
<r2> 31.912
(<r2>)1/2 5.649