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

using model chemistry: B2PLYP=FULL/cc-pCVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 3Σ
Energy calculated at B2PLYP=FULL/cc-pCVTZ
 hartrees
Energy at 0K-151.248942
Energy at 298.15K-151.247350
HF Energy-151.050665
Nuclear repulsion energy45.946065
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-pCVTZ
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 2028 156.33      
2 Σ 1092 1092 14.39      
3 Π 394 394 40.93      
3 Π 394 394 40.93      

Unscaled Zero Point Vibrational Energy (zpe) 1953.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1953.9 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 B2PLYP=FULL/cc-pCVTZ
B
0.38628

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

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 -0.057
O3 0.000 0.000 1.105

Atom - Atom Distances (Å)
  C1 C2 O3
C11.35912.5213
C21.35911.1622
O32.52131.1622

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