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

using model chemistry: BLYP/6-31G**

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 BLYP/6-31G**
 hartrees
Energy at 0K-188.563058
Energy at 298.15K-188.563052
HF Energy-188.563058
Nuclear repulsion energy57.265875
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 BLYP/6-31G**
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 1305 1295 0.00 14.92 0.21 0.35
2 Σu 2347 2329 428.14 0.00 0.00 0.00
3 Πu 601 597 21.62 0.00 0.00 0.00
3 Πu 601 597 21.62 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 2427.1 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 2408.4 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 BLYP/6-31G**
B
0.37666

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G**

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 1.183
O3 0.000 0.000 -1.183

Atom - Atom Distances (Å)
  C1 O2 O3
C11.18281.1828
O21.18282.3656
O31.18282.3656

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

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.666      
2 O -0.333      
3 O -0.333      


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 -14.508 0.000 0.000
y 0.000 -14.508 0.000
z 0.000 0.000 -18.648
Traceless
 xyz
x 2.070 0.000 0.000
y 0.000 2.070 0.000
z 0.000 0.000 -4.140
Polar
3z2-r2-8.279
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 1.167 0.000 0.000
y 0.000 1.167 0.000
z 0.000 0.000 3.385


<r2> (average value of r2) Å2
<r2> 32.308
(<r2>)1/2 5.684