return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CO3 (Carbon trioxide)

using model chemistry: wB97X-D/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/aug-cc-pVTZ
 hartrees
Energy at 0K-263.669044
Energy at 298.15K-263.670071
HF Energy-263.669044
Nuclear repulsion energy110.629855
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 wB97X-D/aug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 2117 2026 617.80      
2 A1 1167 1116 9.50      
3 A1 762 729 13.91      
4 B1 682 653 32.23      
5 B2 963 922 72.61      
6 B2 581 556 6.87      

Unscaled Zero Point Vibrational Energy (zpe) 3136.8 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 3000.7 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 wB97X-D/aug-cc-pVTZ
ABC
0.87974 0.30921 0.22880

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.260
O2 0.000 0.000 1.426
O3 0.000 0.771 -0.811
O4 0.000 -0.771 -0.811

Atom - Atom Distances (Å)
  C1 O2 O3 O4
C11.16671.31881.3188
O21.16672.36592.3659
O31.31882.36591.5415
O41.31882.36591.5415

picture of Carbon trioxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 C1 O3 144.238 O2 C1 O4 144.238
O3 C1 O4 71.524
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.677      
2 O -0.340      
3 O -0.168      
4 O -0.168      


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 -0.730 0.730
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.101 0.000 0.000
y 0.000 -20.405 0.000
z 0.000 0.000 -24.372
Traceless
 xyz
x 2.287 0.000 0.000
y 0.000 1.832 0.000
z 0.000 0.000 -4.119
Polar
3z2-r2-8.238
x2-y20.304
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.322 0.000 0.000
y 0.000 3.512 0.000
z 0.000 0.000 4.123


<r2> (average value of r2) Å2
<r2> 50.359
(<r2>)1/2 7.096