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

using model chemistry: MP4=FULL/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 MP4=FULL/cc-pVDZ
 hartrees
Energy at 0K-139.411941
Energy at 298.15K-139.414966
HF Energy-139.044239
Nuclear repulsion energy37.125894
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 MP4=FULL/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 3055 2948        
2 A1 1498 1446        
3 A1 1089 1051        
4 E 3150 3040        
4 E 3150 3040        
5 E 1493 1441        
5 E 1493 1441        
6 E 1198 1157        
6 E 1198 1157        

Unscaled Zero Point Vibrational Energy (zpe) 8662.2 cm-1
Scaled (by 0.9651) Zero Point Vibrational Energy (zpe) 8359.9 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 MP4=FULL/cc-pVDZ
ABC
5.14590 0.84915 0.84915

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.631
F2 0.000 0.000 0.754
H3 0.000 1.041 -1.001
H4 0.901 -0.520 -1.001
H5 -0.901 -0.520 -1.001

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.38561.10471.10471.1047
F21.38562.04092.04092.0409
H31.10472.04091.80291.8029
H41.10472.04091.80291.8029
H51.10472.04091.80291.8029

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 109.563 F2 C1 H4 109.563
F2 C1 H5 109.563 H3 C1 H4 109.380
H3 C1 H5 109.380 H4 C1 H5 109.380
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability