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

using model chemistry: BLYP/3-21G

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/3-21G
 hartrees
Energy at 0K-187.509526
Energy at 298.15K-187.509458
HF Energy-187.509526
Nuclear repulsion energy56.556195
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/3-21G
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 1231 1225 0.00 12.04 0.23 0.37
2 Σu 2252 2239 260.41 0.00 0.00 0.00
3 Πu 555 552 13.37 0.00 0.00 0.00
3 Πu 555 552 13.37 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 2296.2 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 2283.6 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/3-21G
B
0.36739

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

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 1.198
O3 0.000 0.000 -1.198

Atom - Atom Distances (Å)
  C1 O2 O3
C11.19771.1977
O21.19772.3953
O31.19772.3953

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/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.743      
2 O -0.372      
3 O -0.372      


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 -14.447 0.000 0.000
y 0.000 -14.447 0.000
z 0.000 0.000 -19.285
Traceless
 xyz
x 2.419 0.000 0.000
y 0.000 2.419 0.000
z 0.000 0.000 -4.838
Polar
3z2-r2-9.675
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 0.824 0.000 0.000
y 0.000 0.824 0.000
z 0.000 0.000 3.110


<r2> (average value of r2) Å2
<r2> 32.980
(<r2>)1/2 5.743