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All results from a given calculation for CO2 (Carbon dioxide)

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 1Σg
Energy calculated at PBEPBEultrafine/6-31G(2df,p)
 hartrees
Energy at 0K-188.410757
Energy at 298.15K-188.410816
HF Energy-188.410757
Nuclear repulsion energy57.673286
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/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 Σg 1329 1316 0.00 15.65 0.17 0.29
2 Σu 2385 2361 437.67 0.00 0.00 0.00
3 Πu 657 650 22.35 0.00 0.00 0.00
3 Πu 657 650 22.35 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 2514.5 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 2488.6 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 PBEPBEultrafine/6-31G(2df,p)
B
0.38204

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

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
O2 0.000 0.000 1.174
O3 0.000 0.000 -1.174

Atom - Atom Distances (Å)
  C1 O2 O3
C11.17451.1745
O21.17452.3489
O31.17452.3489

picture of Carbon dioxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 C1 O3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.536      
2 O -0.268      
3 O -0.268      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.472 0.000 0.000
y 0.000 -14.472 0.000
z 0.000 0.000 -18.271
Traceless
 xyz
x 1.900 0.000 0.000
y 0.000 1.900 0.000
z 0.000 0.000 -3.799
Polar
3z2-r2-7.599
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.489 0.000 0.000
y 0.000 1.489 0.000
z 0.000 0.000 3.397


<r2> (average value of r2) Å2
<r2> 31.899
(<r2>)1/2 5.648