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: CID/6-311G*

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 CID/6-311G*
 hartrees
Energy at 0K-188.139593
Energy at 298.15K-188.139710
HF Energy-187.686525
Nuclear repulsion energy58.895866
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 CID/6-311G*
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 1452 1349 0.00      
2 Σu 2528 2349 826.17      
3 Πu 714 663 44.37      
3 Πu 714 663 44.37      

Unscaled Zero Point Vibrational Energy (zpe) 2704.0 cm-1
Scaled (by 0.9291) Zero Point Vibrational Energy (zpe) 2512.3 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 CID/6-311G*
B
0.39841

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-311G*

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 1.150
O3 0.000 0.000 -1.150

Atom - Atom Distances (Å)
  C1 O2 O3
C11.15011.1501
O21.15012.3002
O31.15012.3002

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