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

using model chemistry: PBEPBE/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 PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-167.839360
Energy at 298.15K-167.839215
HF Energy-167.839360
Nuclear repulsion energy51.280760
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 PBEPBE/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 1976 1965 43.15      
2 Σ 1247 1239 9.91      
3 Π 549 546 8.39      
3 Π 457 454 28.95      

Unscaled Zero Point Vibrational Energy (zpe) 2114.2 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 2101.9 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 PBEPBE/cc-pVDZ
B
0.37952

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.284
C2 0.000 0.000 -0.042
O3 0.000 0.000 1.155

Atom - Atom Distances (Å)
  N1 C2 O3
N11.24172.4383
C21.24171.1965
O32.43831.1965

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 PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.146      
2 C 0.201      
3 O -0.055      


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 -14.392 0.000 0.000
y 0.000 -15.664 0.000
z 0.000 0.000 -19.316
Traceless
 xyz
x 3.098 0.000 0.000
y 0.000 1.190 0.000
z 0.000 0.000 -4.288
Polar
3z2-r2-8.576
x2-y21.272
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.465 0.000 0.000
y 0.000 1.378 0.000
z 0.000 0.000 4.175


<r2> (average value of r2) Å2
<r2> 32.489
(<r2>)1/2 5.700