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

using model chemistry: CID/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-37.096112
Energy at 298.15K-37.096118
HF Energy-36.798508
Nuclear repulsion energy29.181042
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/CEP-121G
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 1284 1186 0.00      
2 Σu 2212 2044 879.60      
3 Πu 605 559 36.43      
3 Πu 605 559 36.43      

Unscaled Zero Point Vibrational Energy (zpe) 2353.3 cm-1
Scaled (by 0.924) Zero Point Vibrational Energy (zpe) 2174.4 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 CID/CEP-121G
B
0.36787

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/CEP-121G

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 1.197
O3 0.000 0.000 -1.197

Atom - Atom Distances (Å)
  C1 O2 O3
C11.19691.1969
O21.19692.3937
O31.19692.3937

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