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

using model chemistry: B2PLYP/CEP-121G*

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 B2PLYP/CEP-121G*
 hartrees
Energy at 0K-21.547067
Energy at 298.15K-21.545815
HF Energy-21.448705
Nuclear repulsion energy11.067286
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 B2PLYP/CEP-121G*
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 2105 2105 63.96      

Unscaled Zero Point Vibrational Energy (zpe) 1052.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1052.3 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 B2PLYP/CEP-121G*
B
1.86711

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/CEP-121G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.656
O2 0.000 0.000 0.492

Atom - Atom Distances (Å)
  C1 O2
C11.1475
O21.1475

picture of Carbon monoxide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.140      
2 O -0.140      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.367 0.000 0.000
y 0.000 1.367 0.000
z 0.000 0.000 2.129


<r2> (average value of r2) Å2
<r2> 9.915
(<r2>)1/2 3.149