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

using model chemistry: mPW1PW91/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-167.969130
Energy at 298.15K-167.969053
HF Energy-167.969130
Nuclear repulsion energy51.958782
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/cc-pVDZ
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 2042 1957 70.10      
2 Σ 1313 1258 8.77      
3 Π 587 562 14.49      
3 Π 504 483 37.24      

Unscaled Zero Point Vibrational Energy (zpe) 2222.8 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 2130.1 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/cc-pVDZ
B
0.38946

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.268
C2 0.000 0.000 -0.039
O3 0.000 0.000 1.139

Atom - Atom Distances (Å)
  N1 C2 O3
N11.22952.4071
C21.22951.1775
O32.40711.1775

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/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.183      
2 C 0.272      
3 O -0.089      


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 0.730 0.730
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.318 0.000 0.000
y 0.000 -15.588 0.000
z 0.000 0.000 -19.622
Traceless
 xyz
x 3.287 0.000 0.000
y 0.000 1.382 0.000
z 0.000 0.000 -4.669
Polar
3z2-r2-9.338
x2-y21.270
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.455 0.000 0.000
y 0.000 1.340 0.000
z 0.000 0.000 4.074


<r2> (average value of r2) Å2
<r2> 31.955
(<r2>)1/2 5.653