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

using model chemistry: QCISD(T)/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(T)/TZVP
 hartrees
Energy at 0K-139.485490
Energy at 298.15K-139.488518
HF Energy-139.095547
Nuclear repulsion energy37.222908
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)/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 3058 2946        
2 A1 1525 1469        
3 A1 1068 1029        
4 E 3151 3035        
4 E 3151 3035        
5 E 1513 1457        
5 E 1512 1457        
6 E 1219 1174        
6 E 1219 1174        

Unscaled Zero Point Vibrational Energy (zpe) 8707.4 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 8387.0 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)/TZVP
ABC
5.22159 0.85062 0.85062

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.636
F2 0.000 0.000 0.754
H3 0.000 1.033 -0.988
H4 0.895 -0.517 -0.988
H5 -0.895 -0.517 -0.988

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.39011.09151.09151.0915
F21.39012.02522.02522.0252
H31.09152.02521.78981.7898
H41.09152.02521.78981.7898
H51.09152.02521.78981.7898

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 108.793 F2 C1 H4 108.793
F2 C1 H5 108.793 H3 C1 H4 110.141
H3 C1 H5 110.141 H4 C1 H5 110.141
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability