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

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes NULL 1A'
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-252.568776
Energy at 298.15K-252.572332
HF Energy-251.818277
Nuclear repulsion energy118.906989
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 MP2/6-31G(2df,p)
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' 3259 3078 1.01      
2 A' 3129 2955 0.04      
3 A' 1915 1808 210.83      
4 A' 1495 1412 11.97      
5 A' 1421 1342 43.83      
6 A' 1247 1178 190.52      
7 A' 1025 968 26.07      
8 A' 872 824 35.74      
9 A' 607 573 19.11      
10 A' 412 389 0.02      
11 A" 3219 3040 0.17      
12 A" 1502 1419 7.61      
13 A" 1081 1021 8.92      
14 A" 580 548 4.69      
15 A" 141 133 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 10951.4 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 10343.6 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 MP2/6-31G(2df,p)
ABC
0.36779 0.32569 0.17843

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.188 0.000
C2 1.022 -0.901 0.000
O3 0.158 1.366 0.000
F4 -1.241 -0.346 0.000
H5 2.018 -0.469 0.000
H6 0.880 -1.530 0.879
H7 0.880 -1.530 -0.879

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7
C11.49351.18861.35122.12222.12082.1208
C21.49352.42632.32991.08591.08991.0899
O31.18862.42632.21092.61303.11133.1113
F41.35122.32992.21093.26142.58312.5831
H52.12221.08592.61303.26141.78691.7869
H62.12081.08993.11132.58311.78691.7582
H72.12081.08993.11132.58311.78691.7582

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 109.715 C1 C2 H6 109.362
C1 C2 H7 109.362 C2 C1 O3 129.205
C2 C1 F4 109.883 O3 C1 F4 120.912
H5 C2 H6 110.419 H5 C2 H7 110.419
H6 C2 H7 107.524
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability