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All results from a given calculation for CCO (Dicarbon monoxide)

using model chemistry: LSDA/6-31G**

19 10 17 12 22

States and conformations

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

State 1 (3Σ)

Jump to S2C1
Energy calculated at LSDA/6-31G**
 hartrees
Energy at 0K-150.403523
Energy at 298.15K-150.401631
HF Energy-150.403523
Nuclear repulsion energy45.521571
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 LSDA/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 2030 1992 71.35      
2 Σ 1102 1081 24.50      
3 Π 266 261 41.48      
3 Π 266 261 41.48      

Unscaled Zero Point Vibrational Energy (zpe) 1831.7 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 1797.5 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 LSDA/6-31G**
B
0.37981

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.427
C2 0.000 0.000 -0.061
O3 0.000 0.000 1.116

Atom - Atom Distances (Å)
  C1 C2 O3
C11.36542.5425
C21.36541.1771
O32.54251.1771

picture of Dicarbon monoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.069      
2 C 0.309      
3 O -0.240      


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 1.260 1.260
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.416 0.000 0.000
y 0.000 -15.416 0.000
z 0.000 0.000 -21.502
Traceless
 xyz
x 3.043 0.000 0.000
y 0.000 3.043 0.000
z 0.000 0.000 -6.086
Polar
3z2-r2-12.172
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 1.996 0.000 0.000
y 0.000 1.996 0.000
z 0.000 0.000 5.005


<r2> (average value of r2) Å2
<r2> 33.091
(<r2>)1/2 5.752

State 2 (1Π)

Jump to S1C1
Energy calculated at LSDA/6-31G**
 hartrees
Energy at 0K-150.364435
Energy at 298.15K-150.362547
HF Energy-150.364435
Nuclear repulsion energy45.410118
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 LSDA/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 2035 1997 36.77      
2 Σ 1114 1094 37.82      
3 Π 443 435 3.92      
3 Π 137 135 63.24      

Unscaled Zero Point Vibrational Energy (zpe) 1865.2 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 1830.3 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 LSDA/6-31G**
B
0.37840

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.428
C2 0.000 0.000 -0.064
O3 0.000 0.000 1.119

Atom - Atom Distances (Å)
  C1 C2 O3
C11.36412.5471
C21.36411.1829
O32.54711.1829

picture of Dicarbon monoxide state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.053      
2 C 0.298      
3 O -0.245      


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 1.091 1.091
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.868 0.000 0.000
y 0.000 -17.072 0.000
z 0.000 0.000 -21.288
Traceless
 xyz
x 5.312 0.000 0.000
y 0.000 0.506 0.000
z 0.000 0.000 -5.818
Polar
3z2-r2-11.636
x2-y23.204
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.996 0.000 0.000
y 0.000 1.996 0.000
z 0.000 0.000 5.005


<r2> (average value of r2) Å2
<r2> 33.151
(<r2>)1/2 5.758