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

using model chemistry: LSDA/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-150.467107
Energy at 298.15K-150.465351
HF Energy-150.467107
Nuclear repulsion energy45.954727
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/aug-cc-pVTZ
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 2028 2009 87.98      
2 Σ 1102 1091 29.70      
3 Π 318 315 40.75      
3 Π 318 315 40.75      

Unscaled Zero Point Vibrational Energy (zpe) 1883.0 cm-1
Scaled (by 0.9906) Zero Point Vibrational Energy (zpe) 1865.3 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/aug-cc-pVTZ
B
0.38690

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/aug-cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.414
C2 0.000 0.000 -0.060
O3 0.000 0.000 1.105

Atom - Atom Distances (Å)
  C1 C2 O3
C11.35422.5191
C21.35421.1650
O32.51911.1650

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/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.284      
2 C 0.402      
3 O -0.118      


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 1.424 1.424
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.030 0.000 0.000
y 0.000 -16.030 0.000
z 0.000 0.000 -22.282
Traceless
 xyz
x 3.126 0.000 0.000
y 0.000 3.126 0.000
z 0.000 0.000 -6.252
Polar
3z2-r2-12.504
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 3.207 0.000 0.000
y 0.000 3.207 0.000
z 0.000 0.000 5.822


<r2> (average value of r2) Å2
<r2> 33.102
(<r2>)1/2 5.753

State 2 (1Π)

Jump to S1C1
Energy calculated at LSDA/aug-cc-pVTZ
 hartrees
Energy at 0K-150.428721
Energy at 298.15K-150.426920
HF Energy-150.428721
Nuclear repulsion energy45.835183
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/aug-cc-pVTZ
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 2026 2007 52.95      
2 Σ 1110 1100 42.23      
3 Π 473 468 1.36      
3 Π 172 171 69.17      

Unscaled Zero Point Vibrational Energy (zpe) 1890.6 cm-1
Scaled (by 0.9906) Zero Point Vibrational Energy (zpe) 1872.9 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/aug-cc-pVTZ
B
0.38534

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/aug-cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.416
C2 0.000 0.000 -0.062
O3 0.000 0.000 1.108

Atom - Atom Distances (Å)
  C1 C2 O3
C11.35332.5241
C21.35331.1708
O32.52411.1708

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/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.245      
2 C 0.368      
3 O -0.122      


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 1.280 1.280
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.511 0.000 0.000
y 0.000 -17.798 0.000
z 0.000 0.000 -22.119
Traceless
 xyz
x 5.448 0.000 0.000
y 0.000 0.517 0.000
z 0.000 0.000 -5.965
Polar
3z2-r2-11.930
x2-y23.287
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.207 0.000 0.000
y 0.000 3.207 0.000
z 0.000 0.000 5.822


<r2> (average value of r2) Å2
<r2> 33.209
(<r2>)1/2 5.763