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

using model chemistry: CCSD(T)/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CCSD(T)/aug-cc-pVQZ
 hartrees
Energy at 0K-139.608386
Energy at 298.15K-139.611411
HF Energy-139.106812
Nuclear repulsion energy37.347368
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 CCSD(T)/aug-cc-pVQZ
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 2930        
2 A1 1492 1434        
3 A1 1074 1033        
4 E 3140 3018        
4 E 3139 3018        
5 E 1509 1450        
5 E 1508 1450        
6 E 1205 1158        
6 E 1204 1158        

Unscaled Zero Point Vibrational Energy (zpe) 8658.8 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 8324.6 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 CCSD(T)/aug-cc-pVQZ
ABC
5.24280 0.85695 0.85695

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/aug-cc-pVQZ

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 0.751
H3 0.000 1.031 -0.984
H4 0.893 -0.516 -0.984
H5 -0.893 -0.516 -0.984

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.38481.08911.08911.0891
F21.38482.01842.01842.0184
H31.08912.01841.78621.7862
H41.08912.01841.78621.7862
H51.08912.01841.78621.7862

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 108.762 F2 C1 H4 108.762
F2 C1 H5 108.762 H3 C1 H4 110.171
H3 C1 H5 110.171 H4 C1 H5 110.171
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability