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

using model chemistry: PBEPBE/cc-pVDZ

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 PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-151.105469
Energy at 298.15K-151.103661
HF Energy-151.105469
Nuclear repulsion energy45.185970
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 PBEPBE/cc-pVDZ
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 1972 1960 92.86      
2 Σ 1061 1055 24.01      
3 Π 300 298 35.29      
3 Π 300 298 35.29      

Unscaled Zero Point Vibrational Energy (zpe) 1816.3 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 1805.8 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 PBEPBE/cc-pVDZ
B
0.37353

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.440
C2 0.000 0.000 -0.058
O3 0.000 0.000 1.124

Atom - Atom Distances (Å)
  C1 C2 O3
C11.38272.5640
C21.38271.1813
O32.56401.1813

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 PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.145      
2 C 0.151      
3 O -0.006      


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 1.454 1.454
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.660 0.000 0.000
y 0.000 -15.660 0.000
z 0.000 0.000 -21.625
Traceless
 xyz
x 2.983 0.000 0.000
y 0.000 2.983 0.000
z 0.000 0.000 -5.965
Polar
3z2-r2-11.931
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 2.082 0.000 0.000
y 0.000 2.082 0.000
z 0.000 0.000 5.207


<r2> (average value of r2) Å2
<r2> 33.591
(<r2>)1/2 5.796

State 2 (1Π)

Jump to S1C1
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-151.062588
Energy at 298.15K-151.060782
HF Energy-151.062588
Nuclear repulsion energy45.056112
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 PBEPBE/cc-pVDZ
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 1967 1955 49.01      
2 Σ 1075 1069 39.21      
3 Π 454 451 2.47      
3 Π 184 183 53.44      

Unscaled Zero Point Vibrational Energy (zpe) 1839.6 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 1829.0 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 PBEPBE/cc-pVDZ
B
0.37197

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.442
C2 0.000 0.000 -0.061
O3 0.000 0.000 1.127

Atom - Atom Distances (Å)
  C1 C2 O3
C11.38072.5692
C21.38071.1885
O32.56921.1885

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 PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.126      
2 C 0.138      
3 O -0.013      


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 1.263 1.263
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.065 0.000 0.000
y 0.000 -17.397 0.000
z 0.000 0.000 -21.368
Traceless
 xyz
x 5.317 0.000 0.000
y 0.000 0.319 0.000
z 0.000 0.000 -5.636
Polar
3z2-r2-11.273
x2-y23.332
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.082 0.000 0.000
y 0.000 2.082 0.000
z 0.000 0.000 5.207


<r2> (average value of r2) Å2
<r2> 33.662
(<r2>)1/2 5.802