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

using model chemistry: PBEPBE/6-311G**

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/6-311G**
 hartrees
Energy at 0K-167.871555
Energy at 298.15K-167.871427
HF Energy-167.871555
Nuclear repulsion energy51.601994
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/6-311G**
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 1980 1962 47.70      
2 Σ 1254 1242 10.02      
3 Π 560 555 10.15      
3 Π 466 462 33.97      

Unscaled Zero Point Vibrational Energy (zpe) 2129.9 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 2110.5 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 PBEPBE/6-311G**
B
0.38432

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.275
C2 0.000 0.000 -0.042
O3 0.000 0.000 1.148

Atom - Atom Distances (Å)
  N1 C2 O3
N11.23322.4230
C21.23321.1898
O32.42301.1898

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/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.224      
2 C 0.375      
3 O -0.151      


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 0.764 0.764
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.495 0.000 0.000
y 0.000 -15.812 0.000
z 0.000 0.000 -19.900
Traceless
 xyz
x 3.361 0.000 0.000
y 0.000 1.385 0.000
z 0.000 0.000 -4.747
Polar
3z2-r2-9.493
x2-y21.317
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.511 0.000 0.000
y 0.000 1.422 0.000
z 0.000 0.000 4.363


<r2> (average value of r2) Å2
<r2> 32.385
(<r2>)1/2 5.691