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

using model chemistry: HF/Def2TZVPP

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 HF/Def2TZVPP
 hartrees
Energy at 0K-187.719195
Energy at 298.15K-187.719366
HF Energy-187.719195
Nuclear repulsion energy59.657342
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 HF/Def2TZVPP
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 1512 1370 0.00 13.83 0.14 0.24
2 Σu 2557 2317 1061.96 0.00 0.00 0.00
3 Πu 777 705 63.73 0.00 0.00 0.00
3 Πu 777 705 63.73 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 2811.3 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 2548.1 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 HF/Def2TZVPP
B
0.40878

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

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 1.135
O3 0.000 0.000 -1.135

Atom - Atom Distances (Å)
  C1 O2 O3
C11.13541.1354
O21.13542.2708
O31.13542.2708

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 HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.638      
2 O -0.319      
3 O -0.319      


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 -14.600 0.000 0.000
y 0.000 -14.600 0.000
z 0.000 0.000 -19.748
Traceless
 xyz
x 2.574 0.000 0.000
y 0.000 2.574 0.000
z 0.000 0.000 -5.148
Polar
3z2-r2-10.296
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 1.393 0.000 0.000
y 0.000 1.393 0.000
z 0.000 0.000 3.240


<r2> (average value of r2) Å2
<r2> 30.817
(<r2>)1/2 5.551