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

using model chemistry: PBEPBEultrafine/3-21G

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/3-21G
 hartrees
Energy at 0K-166.888474
Energy at 298.15K-166.888307
HF Energy-166.888474
Nuclear repulsion energy50.682739
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/3-21G
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 1842 1825 6.26      
2 Σ 1192 1181 7.42      
3 Π 512 507 4.17      
3 Π 471 467 23.59      

Unscaled Zero Point Vibrational Energy (zpe) 2008.5 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 1990.2 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/3-21G
B
0.37114

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.294
C2 0.000 0.000 -0.051
O3 0.000 0.000 1.171

Atom - Atom Distances (Å)
  N1 C2 O3
N11.24292.4652
C21.24291.2223
O32.46521.2223

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/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.316      
2 C 0.640      
3 O -0.324      


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 0.714 0.714
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.410 0.000 0.000
y 0.000 -15.644 0.000
z 0.000 0.000 -20.058
Traceless
 xyz
x 3.442 0.000 0.000
y 0.000 1.590 0.000
z 0.000 0.000 -5.031
Polar
3z2-r2-10.062
x2-y21.235
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.186 0.000 0.000
y 0.000 0.970 0.000
z 0.000 0.000 3.876


<r2> (average value of r2) Å2
<r2> 33.144
(<r2>)1/2 5.757