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

using model chemistry: PBEPBEultrafine/6-311+G(3df,2p)

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 PBEPBEultrafine/6-311+G(3df,2p)
 hartrees
Energy at 0K-167.887542
Energy at 298.15K-167.887428
HF Energy-167.887542
Nuclear repulsion energy51.675111
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 PBEPBEultrafine/6-311+G(3df,2p)
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 1970 1970 55.51      
2 Σ 1254 1254 10.05      
3 Π 570 570 9.56      
3 Π 476 476 32.48      

Unscaled Zero Point Vibrational Energy (zpe) 2134.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2134.5 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 PBEPBEultrafine/6-311+G(3df,2p)
B
0.38536

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-311+G(3df,2p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.274
C2 0.000 0.000 -0.041
O3 0.000 0.000 1.146

Atom - Atom Distances (Å)
  N1 C2 O3
N11.23272.4197
C21.23271.1870
O32.41971.1870

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 PBEPBEultrafine/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.710      
2 C 1.130      
3 O -0.420      


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 0.752 0.752
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.787 0.000 0.000
y 0.000 -16.149 0.000
z 0.000 0.000 -20.086
Traceless
 xyz
x 3.331 0.000 0.000
y 0.000 1.287 0.000
z 0.000 0.000 -4.618
Polar
3z2-r2-9.236
x2-y21.362
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.255 0.000 0.000
y 0.000 2.286 0.000
z 0.000 0.000 4.991


<r2> (average value of r2) Å2
<r2> 32.496
(<r2>)1/2 5.701