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

using model chemistry: MP2=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-139.557392
Energy at 298.15K-139.560428
HF Energy-139.094689
Nuclear repulsion energy37.523267
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 MP2=FULL/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3108 2950 29.11 140.95 0.03 0.06
2 A1 1522 1445 2.60 1.79 0.53 0.69
3 A1 1106 1050 96.15 4.60 0.53 0.69
4 E 3191 3030 29.51 46.51 0.75 0.86
4 E 3191 3030 29.51 46.51 0.75 0.86
5 E 1537 1460 3.21 7.83 0.75 0.86
5 E 1537 1460 3.21 7.83 0.75 0.86
6 E 1223 1161 1.20 3.27 0.75 0.86
6 E 1223 1161 1.20 3.27 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8819.1 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 8372.8 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 MP2=FULL/cc-pVTZ
ABC
5.32296 0.86387 0.86387

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.630
F2 0.000 0.000 0.748
H3 0.000 1.023 -0.985
H4 0.886 -0.512 -0.985
H5 -0.886 -0.512 -0.985

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.37791.08351.08351.0835
F21.37792.01312.01312.0131
H31.08352.01311.77271.7727
H41.08352.01311.77271.7727
H51.08352.01311.77271.7727

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 109.159 F2 C1 H4 109.159
F2 C1 H5 109.159 H3 C1 H4 109.781
H3 C1 H5 109.781 H4 C1 H5 109.781
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability