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

using model chemistry: PBEPBE/aug-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/aug-cc-pVDZ
 hartrees
Energy at 0K-151.115316
Energy at 298.15K-151.113502
HF Energy-151.115316
Nuclear repulsion energy45.217912
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/aug-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 1965 1953 96.20      
2 Σ 1057 1051 29.09      
3 Π 296 295 32.80      
3 Π 296 295 32.80      

Unscaled Zero Point Vibrational Energy (zpe) 1807.4 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 1796.4 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/aug-cc-pVDZ
B
0.37412

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.439
C2 0.000 0.000 -0.058
O3 0.000 0.000 1.123

Atom - Atom Distances (Å)
  C1 C2 O3
C11.38102.5620
C21.38101.1809
O32.56201.1809

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/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.312      
2 C 0.420      
3 O -0.108      


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 1.334 1.334
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.096 0.000 0.000
y 0.000 -16.096 0.000
z 0.000 0.000 -22.243
Traceless
 xyz
x 3.074 0.000 0.000
y 0.000 3.074 0.000
z 0.000 0.000 -6.147
Polar
3z2-r2-12.294
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 3.130 0.000 0.000
y 0.000 3.130 0.000
z 0.000 0.000 6.050


<r2> (average value of r2) Å2
<r2> 33.866
(<r2>)1/2 5.819

State 2 (1Π)

Jump to S1C1
Energy calculated at PBEPBE/aug-cc-pVDZ
 hartrees
Energy at 0K-151.072722
Energy at 298.15K-151.070877
HF Energy-151.072722
Nuclear repulsion energy45.082032
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/aug-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 1956 1944 54.60      
2 Σ 1068 1061 43.67      
3 Π 439 437 0.54      
3 Π 166 165 55.42      

Unscaled Zero Point Vibrational Energy (zpe) 1814.4 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 1803.3 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 PBEPBE/aug-cc-pVDZ
B
0.37243

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.441
C2 0.000 0.000 -0.061
O3 0.000 0.000 1.127

Atom - Atom Distances (Å)
  C1 C2 O3
C11.37962.5676
C21.37961.1880
O32.56761.1880

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/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.266      
2 C 0.381      
3 O -0.115      


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 1.160 1.160
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.982 0.000 0.000
y 0.000 -14.486 0.000
z 0.000 0.000 -22.053
Traceless
 xyz
x 0.288 0.000 0.000
y 0.000 5.531 0.000
z 0.000 0.000 -5.819
Polar
3z2-r2-11.638
x2-y2-3.496
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.130 0.000 0.000
y 0.000 3.130 0.000
z 0.000 0.000 6.050


<r2> (average value of r2) Å2
<r2> 33.986
(<r2>)1/2 5.830