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All results from a given calculation for CO (Carbon monoxide)

using model chemistry: PBEPBEultrafine/3-21G*

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 PBEPBEultrafine/3-21G*
 hartrees
Energy at 0K-112.546635
Energy at 298.15K-112.545382
HF Energy-112.546635
Nuclear repulsion energy21.769752
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 PBEPBEultrafine/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 Σ 1992 1899 35.26      

Unscaled Zero Point Vibrational Energy (zpe) 995.9 cm-1
Scaled (by 0.9535) Zero Point Vibrational Energy (zpe) 949.6 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 PBEPBEultrafine/3-21G*
B
1.80607

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.667
O2 0.000 0.000 0.500

Atom - Atom Distances (Å)
  C1 O2
C11.1668
O21.1668

picture of Carbon monoxide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.281      
2 O -0.281      


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 0.155 0.155
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.932 0.000 0.000
y 0.000 -9.932 0.000
z 0.000 0.000 -12.457
Traceless
 xyz
x 1.263 0.000 0.000
y 0.000 1.263 0.000
z 0.000 0.000 -2.526
Polar
3z2-r2-5.051
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 1.026 0.000 0.000
y 0.000 1.026 0.000
z 0.000 0.000 1.758


<r2> (average value of r2) Å2
<r2> 11.397
(<r2>)1/2 3.376