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

using model chemistry: B1B95/6-31G(2df,p)

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 B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-167.963047
Energy at 298.15K-167.962998
HF Energy-167.963047
Nuclear repulsion energy52.118019
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 B1B95/6-31G(2df,p)
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 2031 1945 55.84      
2 Σ 1316 1261 8.21      
3 Π 610 585 16.39      
3 Π 527 504 37.65      

Unscaled Zero Point Vibrational Energy (zpe) 2242.3 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 2147.4 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 B1B95/6-31G(2df,p)
B
0.39195

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.264
C2 0.000 0.000 -0.040
O3 0.000 0.000 1.136

Atom - Atom Distances (Å)
  N1 C2 O3
N11.22332.3993
C21.22331.1760
O32.39931.1760

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 B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.382      
2 C 0.582      
3 O -0.201      


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 0.744 0.744
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.290 0.000 0.000
y 0.000 -15.505 0.000
z 0.000 0.000 -19.455
Traceless
 xyz
x 3.190 0.000 0.000
y 0.000 1.368 0.000
z 0.000 0.000 -4.557
Polar
3z2-r2-9.115
x2-y21.214
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.721 0.000 0.000
y 0.000 1.641 0.000
z 0.000 0.000 4.186


<r2> (average value of r2) Å2
<r2> 31.759
(<r2>)1/2 5.635