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All results from a given calculation for CH3F (Methyl fluoride)

using model chemistry: CISD/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CISD/daug-cc-pVDZ
 hartrees
Energy at 0K-139.523362
Energy at 298.15K-139.526406
HF Energy-139.098021
Nuclear repulsion energy37.585527
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 CISD/daug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3129 3129 31.24      
2 A1 1542 1542 1.87      
3 A1 1121 1121 115.93      
4 E 3218 3218 27.09      
4 E 3218 3218 27.09      
5 E 1556 1556 4.83      
5 E 1556 1556 4.83      
6 E 1244 1244 2.01      
6 E 1244 1244 2.01      

Unscaled Zero Point Vibrational Energy (zpe) 8913.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8913.8 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 CISD/daug-cc-pVDZ
ABC
5.29805 0.86845 0.86845

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/daug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.629
F2 0.000 0.000 0.746
H3 0.000 1.026 -0.979
H4 0.888 -0.513 -0.979
H5 -0.888 -0.513 -0.979

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.37501.08371.08371.0837
F21.37502.00642.00642.0064
H31.08372.00641.77681.7768
H41.08372.00641.77681.7768
H51.08372.00641.77681.7768

picture of Methyl fluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 H3 108.803 F2 C1 H4 108.803
F2 C1 H5 108.803 H3 C1 H4 110.131
H3 C1 H5 110.131 H4 C1 H5 110.131
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability