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All results from a given calculation for CH3COF (Acetyl fluoride)

using model chemistry: MP2/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes NULL 1A'
Energy calculated at MP2/CEP-121G*
 hartrees
Energy at 0K-52.920759
Energy at 298.15K-52.924243
HF Energy-52.304943
Nuclear repulsion energy65.039111
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/CEP-121G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3235 3082 3.62      
2 A' 3100 2954 1.10      
3 A' 1862 1774 238.81      
4 A' 1513 1442 16.06      
5 A' 1443 1375 35.34      
6 A' 1211 1154 196.10      
7 A' 1022 974 50.86      
8 A' 823 784 77.55      
9 A' 583 556 18.97      
10 A' 409 390 0.24      
11 A" 3197 3046 2.58      
12 A" 1513 1442 10.66      
13 A" 1088 1037 5.91      
14 A" 554 528 6.15      
15 A" 130 124 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 10843.0 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 10331.2 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/CEP-121G*
ABC
0.35622 0.31679 0.17310

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.190 0.000
C2 1.085 -0.859 0.000
O3 0.085 1.390 0.000
F4 -1.244 -0.418 0.000
H5 2.059 -0.370 0.000
H6 0.971 -1.491 0.884
H7 0.971 -1.491 -0.884

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7
C11.50921.20341.38452.13342.13302.1330
C21.50922.46142.37091.08911.09281.0928
O31.20342.46142.24402.64433.14113.1411
F41.38452.37092.24403.30302.61562.6156
H52.13341.08912.64433.30301.79451.7945
H62.13301.09283.14112.61561.79451.7685
H72.13301.09283.14112.61561.79451.7685

picture of Acetyl fluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 109.316 C1 C2 H6 109.067
C1 C2 H7 109.067 C2 C1 O3 129.948
C2 C1 F4 109.961 O3 C1 F4 120.091
H5 C2 H6 110.664 H5 C2 H7 110.664
H6 C2 H7 108.027
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability