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

using model chemistry: MP2=FULL/STO-3G

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/STO-3G
 hartrees
Energy at 0K-137.239318
Energy at 298.15K-137.242336
HF Energy-137.167894
Nuclear repulsion energy36.690712
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/STO-3G
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 3313 2945 8.28 34.34 0.04 0.07
2 A1 1678 1491 2.60 4.61 0.69 0.82
3 A1 1256 1117 4.86 3.96 0.46 0.63
4 E 3480 3094 9.61 23.18 0.75 0.86
4 E 3480 3094 9.61 23.18 0.75 0.86
5 E 1715 1525 0.82 15.59 0.75 0.86
5 E 1715 1525 0.82 15.59 0.75 0.86
6 E 1255 1116 3.13 3.83 0.75 0.86
6 E 1255 1116 3.13 3.83 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9573.5 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 8509.9 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 MP2=FULL/STO-3G
ABC
5.14706 0.82485 0.82485

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.635
F2 0.000 0.000 0.767
H3 0.000 1.041 -1.032
H4 0.901 -0.520 -1.032
H5 -0.901 -0.520 -1.032

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.40181.11401.11401.1140
F21.40182.07842.07842.0784
H31.11402.07841.80271.8027
H41.11402.07841.80271.8027
H51.11402.07841.80271.8027

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 110.890 F2 C1 H4 110.890
F2 C1 H5 110.890 H3 C1 H4 108.016
H3 C1 H5 108.016 H4 C1 H5 108.016
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability