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

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/cc-pVTZ
 hartrees
Energy at 0K-151.215040
Energy at 298.15K-151.213446
HF Energy-151.048681
Nuclear repulsion energy45.954603
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 B2PLYP=FULL/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 2034 1944 157.82      
2 Σ 1098 1049 14.64      
3 Π 394 376 41.30      
3 Π 394 376 41.30      

Unscaled Zero Point Vibrational Energy (zpe) 1959.2 cm-1
Scaled (by 0.9558) Zero Point Vibrational Energy (zpe) 1872.6 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 B2PLYP=FULL/cc-pVTZ
B
0.38653

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/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 -0.058
O3 0.000 0.000 1.105

Atom - Atom Distances (Å)
  C1 C2 O3
C11.35782.5205
C21.35781.1627
O32.52051.1627

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

State 2 (1Π)

Jump to S1C1
Energy calculated at B2PLYP=FULL/cc-pVTZ
 hartrees
Energy at 0K-151.177429
Energy at 298.15K-151.175832
HF Energy-151.001782
Nuclear repulsion energy45.778484
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 B2PLYP=FULL/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 2009 1920 75.32      
2 Σ 1106 1057 30.46      
3 Π 484 463 3.60      
3 Π 316 302 62.90      

Unscaled Zero Point Vibrational Energy (zpe) 1957.3 cm-1
Scaled (by 0.9558) Zero Point Vibrational Energy (zpe) 1870.8 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 B2PLYP=FULL/cc-pVTZ
B
0.38419

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.418
C2 0.000 0.000 -0.061
O3 0.000 0.000 1.110

Atom - Atom Distances (Å)
  C1 C2 O3
C11.35702.5279
C21.35701.1710
O32.52791.1710

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