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All results from a given calculation for FCO (Carbonyl fluoride)

using model chemistry: CCSD/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at CCSD/TZVP
 hartrees
Energy at 0K-212.705527
Energy at 298.15K-212.705275
HF Energy-212.191141
Nuclear repulsion energy60.282631
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 CCSD/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 1957 1868 251.15      
2 A' 1073 1024 211.04      
3 A' 648 618 13.58      

Unscaled Zero Point Vibrational Energy (zpe) 1838.7 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 1754.9 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 CCSD/TZVP
ABC
6.33274 0.38383 0.36190

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 -1.014 -0.436 0.000
C2 0.000 0.421 0.000
O3 1.141 0.175 0.000

Atom - Atom Distances (Å)
  F1 C2 O3
F11.32792.2405
C21.32791.1674
O32.24051.1674

picture of Carbonyl fluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 C2 O3 127.646
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability