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

using model chemistry: PBEPBEultrafine/aug-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 PBEPBEultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-167.852238
Energy at 298.15K-167.852102
HF Energy-167.852238
Nuclear repulsion energy51.297461
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 PBEPBEultrafine/aug-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 1959 1947 51.78      
2 Σ 1240 1233 10.53      
3 Π 556 552 8.12      
3 Π 460 457 29.33      

Unscaled Zero Point Vibrational Energy (zpe) 2107.2 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 2094.4 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 PBEPBEultrafine/aug-cc-pVDZ
B
0.37975

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.283
C2 0.000 0.000 -0.042
O3 0.000 0.000 1.154

Atom - Atom Distances (Å)
  N1 C2 O3
N11.24192.4376
C21.24191.1957
O32.43761.1957

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 PBEPBEultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.258      
2 C 0.430      
3 O -0.173      


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 0.723 0.723
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.222 0.000 0.000
y 0.000 -14.821 0.000
z 0.000 0.000 -20.090
Traceless
 xyz
x 1.233 0.000 0.000
y 0.000 3.335 0.000
z 0.000 0.000 -4.568
Polar
3z2-r2-9.136
x2-y2-1.401
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.297 0.000 0.000
y 0.000 2.251 0.000
z 0.000 0.000 5.047


<r2> (average value of r2) Å2
<r2> 32.843
(<r2>)1/2 5.731