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

using model chemistry: B3LYP/6-31+G**

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 B3LYP/6-31+G**
 hartrees
Energy at 0K-168.009160
Energy at 298.15K-168.009046
HF Energy-168.009160
Nuclear repulsion energy51.738390
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 B3LYP/6-31+G**
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 1989 1917 70.20      
2 Σ 1294 1247 9.22      
3 Π 560 540 13.03      
3 Π 485 467 37.66      

Unscaled Zero Point Vibrational Energy (zpe) 2163.2 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 2085.8 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 B3LYP/6-31+G**
B
0.38634

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.272
C2 0.000 0.000 -0.042
O3 0.000 0.000 1.144

Atom - Atom Distances (Å)
  N1 C2 O3
N11.23042.4166
C21.23041.1863
O32.41661.1863

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 B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.267      
2 C 0.620      
3 O -0.354      


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 0.675 0.675
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.762 0.000 0.000
y 0.000 -16.148 0.000
z 0.000 0.000 -20.614
Traceless
 xyz
x 3.620 0.000 0.000
y 0.000 1.540 0.000
z 0.000 0.000 -5.160
Polar
3z2-r2-10.319
x2-y21.386
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.733 0.000 0.000
y 0.000 1.702 0.000
z 0.000 0.000 4.926


<r2> (average value of r2) Å2
<r2> 32.545
(<r2>)1/2 5.705