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

using model chemistry: B1B95/6-31G

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 B1B95/6-31G
 hartrees
Energy at 0K-151.146814
Energy at 298.15K-151.145000
HF Energy-151.146814
Nuclear repulsion energy45.209999
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 B1B95/6-31G
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 1938 1848 81.37      
2 Σ 1084 1034 27.09      
3 Π 298 284 32.83      
3 Π 298 284 32.83      

Unscaled Zero Point Vibrational Energy (zpe) 1808.8 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 1725.1 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 B1B95/6-31G
B
0.37531

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.433
C2 0.000 0.000 -0.066
O3 0.000 0.000 1.124

Atom - Atom Distances (Å)
  C1 C2 O3
C11.36762.5574
C21.36761.1898
O32.55741.1898

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 B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.072      
2 C 0.181      
3 O -0.253      


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 0.928 0.928
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.524 0.000 0.000
y 0.000 -15.524 0.000
z 0.000 0.000 -22.483
Traceless
 xyz
x 3.479 0.000 0.000
y 0.000 3.479 0.000
z 0.000 0.000 -6.959
Polar
3z2-r2-13.918
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 1.893 0.000 0.000
y 0.000 1.893 0.000
z 0.000 0.000 5.239


<r2> (average value of r2) Å2
<r2> 33.606
(<r2>)1/2 5.797

State 2 (1Π)

Jump to S1C1
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-151.106522
Energy at 298.15K-151.104817
HF Energy-151.106522
Nuclear repulsion energy45.108119
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 B1B95/6-31G
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 1971 1880 55.16      
2 Σ 1096 1045 42.38      
3 Π 398 380 2.15      
3 Π 296 282 50.23      

Unscaled Zero Point Vibrational Energy (zpe) 1880.3 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 1793.2 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 B1B95/6-31G
B
0.37387

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.435
C2 0.000 0.000 -0.067
O3 0.000 0.000 1.127

Atom - Atom Distances (Å)
  C1 C2 O3
C11.36802.5623
C21.36801.1942
O32.56231.1942

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 B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.094      
2 C 0.174      
3 O -0.268      


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 0.638 0.638
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.898 0.000 0.000
y 0.000 -17.232 0.000
z 0.000 0.000 -22.256
Traceless
 xyz
x 5.846 0.000 0.000
y 0.000 0.846 0.000
z 0.000 0.000 -6.691
Polar
3z2-r2-13.383
x2-y23.333
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.862 0.000 0.000
y 0.000 1.466 0.000
z 0.000 0.000 5.073


<r2> (average value of r2) Å2
<r2> 33.663
(<r2>)1/2 5.802