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 CO (Carbon monoxide)

using model chemistry: B97D3/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at B97D3/6-311G*
 hartrees
Energy at 0K-113.276297
Energy at 298.15K-113.275044
HF Energy-113.276297
Nuclear repulsion energy22.354625
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 B97D3/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 2134 2134 68.73      

Unscaled Zero Point Vibrational Energy (zpe) 1067.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1067.0 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 B97D3/6-311G*
B
1.90442

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.649
O2 0.000 0.000 0.487

Atom - Atom Distances (Å)
  C1 O2
C11.1363
O21.1363

picture of Carbon monoxide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.076      
2 O -0.076      


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 0.169 0.169
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.064 0.000 0.000
y 0.000 -10.064 0.000
z 0.000 0.000 -12.158
Traceless
 xyz
x 1.047 0.000 0.000
y 0.000 1.047 0.000
z 0.000 0.000 -2.094
Polar
3z2-r2-4.187
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 1.305 0.000 0.000
y 0.000 1.305 0.000
z 0.000 0.000 2.013


<r2> (average value of r2) Å2
<r2> 11.148
(<r2>)1/2 3.339