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

using model chemistry: QCISD(T)=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 QCISD(T)=FULL/cc-pVDZ
 hartrees
Energy at 0K-139.412223
Energy at 298.15K-139.415248
HF Energy-139.044247
Nuclear repulsion energy37.132592
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 QCISD(T)=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 3048 2923        
2 A1 1496 1435        
3 A1 1091 1046        
4 E 3141 3012        
4 E 3141 3012        
5 E 1491 1430        
5 E 1491 1430        
6 E 1198 1149        
6 E 1198 1149        

Unscaled Zero Point Vibrational Energy (zpe) 8646.9 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 8292.4 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 QCISD(T)=FULL/cc-pVDZ
ABC
5.14076 0.84976 0.84976

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=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 -1.000
H4 0.902 -0.521 -1.000
H5 -0.902 -0.521 -1.000

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.38511.10501.10501.1050
F21.38512.04022.04022.0402
H31.10502.04021.80381.8038
H41.10502.04021.80381.8038
H51.10502.04021.80381.8038

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 109.525 F2 C1 H4 109.525
F2 C1 H5 109.525 H3 C1 H4 109.417
H3 C1 H5 109.417 H4 C1 H5 109.417
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability