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

using model chemistry: M06-2X/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
2 1 yes C*V 3Π

State 1 (1Σ)

Jump to S2C1
Energy calculated at M06-2X/6-31+G**
 hartrees
Energy at 0K-113.276994
Energy at 298.15K-113.275742
HF Energy-113.276994
Nuclear repulsion energy22.459914
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 M06-2X/6-31+G**
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 2268 2159 101.66      

Unscaled Zero Point Vibrational Energy (zpe) 1133.9 cm-1
Scaled (by 0.9522) Zero Point Vibrational Energy (zpe) 1079.7 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 M06-2X/6-31+G**
B
1.92240

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31+G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.646
O2 0.000 0.000 0.485

Atom - Atom Distances (Å)
  C1 O2
C11.1309
O21.1309

picture of Carbon monoxide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.152      
2 O -0.152      


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 -0.007 0.007
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.274 0.000 0.000
y 0.000 -10.274 0.000
z 0.000 0.000 -12.352
Traceless
 xyz
x 1.039 0.000 0.000
y 0.000 1.039 0.000
z 0.000 0.000 -2.078
Polar
3z2-r2-4.156
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 1.430 0.000 0.000
y 0.000 1.430 0.000
z 0.000 0.000 2.232


<r2> (average value of r2) Å2
<r2> 11.235
(<r2>)1/2 3.352

State 2 (3Π)

Jump to S1C1
Energy calculated at M06-2X/6-31+G**
 hartrees
Energy at 0K-113.057797
Energy at 298.15K-113.056544
HF Energy-113.057797
Nuclear repulsion energy21.140771
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 M06-2X/6-31+G**
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 1898 1807 41.65      

Unscaled Zero Point Vibrational Energy (zpe) 948.9 cm-1
Scaled (by 0.9522) Zero Point Vibrational Energy (zpe) 903.5 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 M06-2X/6-31+G**
B
1.70321

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31+G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.687
O2 0.000 0.000 0.515

Atom - Atom Distances (Å)
  C1 O2
C11.2015
O21.2015

picture of Carbon monoxide state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.219      
2 O -0.219      


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 -1.692 1.692
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.144 0.000 0.000
y 0.000 -11.848 0.000
z 0.000 0.000 -10.185
Traceless
 xyz
x 0.872 0.000 0.000
y 0.000 -1.683 0.000
z 0.000 0.000 0.811
Polar
3z2-r21.622
x2-y21.704
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.306 0.000 0.000
y 0.000 1.879 0.000
z 0.000 0.000 2.526


<r2> (average value of r2) Å2
<r2> 11.649
(<r2>)1/2 3.413