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

using model chemistry: CISD/aug-cc-pVQZ

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 CISD/aug-cc-pVQZ
 hartrees
Energy at 0K-188.296534
Energy at 298.15K-188.296662
HF Energy-187.724491
Nuclear repulsion energy59.055449
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 CISD/aug-cc-pVQZ
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 1444 1444 0.00      
2 Σu 2497 2497 856.92      
3 Πu 724 724 41.18      
3 Πu 724 724 41.18      

Unscaled Zero Point Vibrational Energy (zpe) 2694.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2694.8 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 CISD/aug-cc-pVQZ
B
0.40057

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

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 1.147
O3 0.000 0.000 -1.147

Atom - Atom Distances (Å)
  C1 O2 O3
C11.14701.1470
O21.14702.2939
O31.14702.2939

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