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

using model chemistry: MP2=FULL/6-31G**

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/6-31G**
 hartrees
Energy at 0K-139.367442
Energy at 298.15K-139.370479
HF Energy-139.039269
Nuclear repulsion energy37.307295
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/6-31G**
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 3134 2929 28.40 108.21 0.04 0.07
2 A1 1558 1456 10.42 5.22 0.74 0.85
3 A1 1117 1043 85.28 5.19 0.49 0.66
4 E 3240 3027 42.36 49.40 0.75 0.86
4 E 3240 3027 42.36 49.40 0.75 0.86
5 E 1566 1464 1.01 16.10 0.75 0.86
5 E 1566 1464 1.01 16.10 0.75 0.86
6 E 1230 1150 1.34 7.00 0.75 0.86
6 E 1230 1150 1.34 7.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8941.0 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 8354.5 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/6-31G**
ABC
5.29543 0.85250 0.85250

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.634
F2 0.000 0.000 0.753
H3 0.000 1.026 -0.993
H4 0.889 -0.513 -0.993
H5 -0.889 -0.513 -0.993

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.38721.08731.08731.0873
F21.38722.02572.02572.0257
H31.08732.02571.77731.7773
H41.08732.02571.77731.7773
H51.08732.02571.77731.7773

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 109.306 F2 C1 H4 109.306
F2 C1 H5 109.306 H3 C1 H4 109.636
H3 C1 H5 109.636 H4 C1 H5 109.636
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability