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All results from a given calculation for CO (Carbon monoxide)

using model chemistry: CCD/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at CCD/6-311+G(3df,2p)
 hartrees
Energy at 0K-113.135498
Energy at 298.15K-113.134245
HF Energy-112.780147
Nuclear repulsion energy22.614071
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 CCD/6-311+G(3df,2p)
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 2261 2132 80.61      

Unscaled Zero Point Vibrational Energy (zpe) 1130.3 cm-1
Scaled (by 0.9431) Zero Point Vibrational Energy (zpe) 1066.0 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 CCD/6-311+G(3df,2p)
B
1.94888

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311+G(3df,2p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.642
O2 0.000 0.000 0.481

Atom - Atom Distances (Å)
  C1 O2
C11.1232
O21.1232

picture of Carbon monoxide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability