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

using model chemistry: QCISD/TZVP

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/TZVP
 hartrees
Energy at 0K-139.477070
Energy at 298.15K-139.480102
HF Energy-139.095757
Nuclear repulsion energy37.313038
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/TZVP
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 3077 2939 29.46      
2 A1 1537 1468 7.41      
3 A1 1085 1036 106.34      
4 E 3168 3026 38.83      
4 E 3168 3026 38.83      
5 E 1523 1455 1.86      
5 E 1523 1455 1.86      
6 E 1229 1174 1.86      
6 E 1229 1174 1.86      

Unscaled Zero Point Vibrational Energy (zpe) 8769.4 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 8377.4 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/TZVP
ABC
5.23681 0.85518 0.85518

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/TZVP

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 0.752
H3 0.000 1.032 -0.986
H4 0.894 -0.516 -0.986
H5 -0.894 -0.516 -0.986

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.38601.09011.09011.0901
F21.38602.02092.02092.0209
H31.09012.02091.78721.7872
H41.09012.02091.78721.7872
H51.09012.02091.78721.7872

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 108.819 F2 C1 H4 108.819
F2 C1 H5 108.819 H3 C1 H4 110.116
H3 C1 H5 110.116 H4 C1 H5 110.116
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability