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

using model chemistry: BLYP/6-31G

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 BLYP/6-31G
 hartrees
Energy at 0K-113.249096
Energy at 298.15K-113.247843
HF Energy-113.249096
Nuclear repulsion energy21.710638
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 BLYP/6-31G
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 1964 1949 53.61      

Unscaled Zero Point Vibrational Energy (zpe) 982.0 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 974.5 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 BLYP/6-31G
B
1.79628

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.669
O2 0.000 0.000 0.501

Atom - Atom Distances (Å)
  C1 O2
C11.1700
O21.1700

picture of Carbon monoxide state 1 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.182      
2 O -0.182      


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 -0.021 0.021
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.963 0.000 0.000
y 0.000 -9.963 0.000
z 0.000 0.000 -12.533
Traceless
 xyz
x 1.285 0.000 0.000
y 0.000 1.285 0.000
z 0.000 0.000 -2.570
Polar
3z2-r2-5.140
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 1.107 0.000 0.000
y 0.000 1.107 0.000
z 0.000 0.000 1.969


<r2> (average value of r2) Å2
<r2> 11.451
(<r2>)1/2 3.384

State 2 (3Π)

Jump to S1C1
Energy calculated at BLYP/6-31G
 hartrees
Energy at 0K-113.051841
Energy at 298.15K-113.050583
HF Energy-113.051841
Nuclear repulsion energy20.178858
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 BLYP/6-31G
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 1572 1560 2.05      

Unscaled Zero Point Vibrational Energy (zpe) 786.1 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 780.2 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 BLYP/6-31G
B
1.55175

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.719
O2 0.000 0.000 0.539

Atom - Atom Distances (Å)
  C1 O2
C11.2588
O21.2588

picture of Carbon monoxide state 2 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.265      
2 O -0.265      


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 -1.321 1.321
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.329 0.000 0.000
y 0.000 -9.850 0.000
z 0.000 0.000 -10.174
Traceless
 xyz
x -1.318 0.000 0.000
y 0.000 0.902 0.000
z 0.000 0.000 0.416
Polar
3z2-r20.831
x2-y2-1.480
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.613 0.000 0.000
y 0.000 1.195 0.000
z 0.000 0.000 2.498


<r2> (average value of r2) Å2
<r2> 11.960
(<r2>)1/2 3.458