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

using model chemistry: QCISD(TQ)/daug-cc-pVTZ

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 QCISD(TQ)/daug-cc-pVTZ
 hartrees
Energy at 0K-113.161767
Energy at 298.15K-113.160514
HF Energy-112.780911
Nuclear repulsion energy22.400371
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 QCISD(TQ)/daug-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 2180 2180        

Unscaled Zero Point Vibrational Energy (zpe) 1090.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1090.0 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 QCISD(TQ)/daug-cc-pVTZ
B
1.91324

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(TQ)/daug-cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.648
O2 0.000 0.000 0.486

Atom - Atom Distances (Å)
  C1 O2
C11.1336
O21.1336

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