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

using model chemistry: mPW1PW91/6-311G*

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 mPW1PW91/6-311G*
 hartrees
Energy at 0K-167.999209
Energy at 298.15K-167.999141
HF Energy-167.999209
Nuclear repulsion energy52.267680
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 mPW1PW91/6-311G*
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 2046 1953 75.01      
2 Σ 1319 1259 8.56      
3 Π 597 570 16.32      
3 Π 512 488 41.96      

Unscaled Zero Point Vibrational Energy (zpe) 2236.6 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 2134.6 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 mPW1PW91/6-311G*
B
0.39414

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.261
C2 0.000 0.000 -0.039
O3 0.000 0.000 1.132

Atom - Atom Distances (Å)
  N1 C2 O3
N11.22152.3927
C21.22151.1712
O32.39271.1712

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 mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.265      
2 C 0.457      
3 O -0.192      


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 0.746 0.746
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.698 0.000 0.000
y 0.000 -14.388 0.000
z 0.000 0.000 -20.117
Traceless
 xyz
x 1.554 0.000 0.000
y 0.000 3.520 0.000
z 0.000 0.000 -5.074
Polar
3z2-r2-10.149
x2-y2-1.310
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.374 0.000 0.000
y 0.000 1.494 0.000
z 0.000 0.000 4.253


<r2> (average value of r2) Å2
<r2> 31.838
(<r2>)1/2 5.643