return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: HSEh1PBE/cc-pVDZ

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 HSEh1PBE/cc-pVDZ
 hartrees
Energy at 0K-188.416913
Energy at 298.15K-188.416989
HF Energy-188.416913
Nuclear repulsion energy58.229972
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 HSEh1PBE/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 Σg 1388 1335 0.00 14.21 0.19 0.32
2 Σu 2470 2376 613.63 0.00 0.00 0.00
3 Πu 669 643 30.84 0.00 0.00 0.00
3 Πu 669 643 30.84 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 2597.7 cm-1
Scaled (by 0.9619) Zero Point Vibrational Energy (zpe) 2498.7 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 HSEh1PBE/cc-pVDZ
B
0.38945

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVDZ

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 1.163
O3 0.000 0.000 -1.163

Atom - Atom Distances (Å)
  C1 O2 O3
C11.16321.1632
O21.16322.3265
O31.16322.3265

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 HSEh1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.318      
2 O -0.159      
3 O -0.159      


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 -14.429 0.000 0.000
y 0.000 -14.429 0.000
z 0.000 0.000 -18.659
Traceless
 xyz
x 2.115 0.000 0.000
y 0.000 2.115 0.000
z 0.000 0.000 -4.229
Polar
3z2-r2-8.458
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 1.124 0.000 0.000
y 0.000 1.124 0.000
z 0.000 0.000 3.154


<r2> (average value of r2) Å2
<r2> 31.542
(<r2>)1/2 5.616