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

using model chemistry: MP2/6-31G*

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*
 hartrees
Energy at 0K-252.398655
Energy at 298.15K-252.402200
HF Energy-251.794741
Nuclear repulsion energy117.994836
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*
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 3073 1.88      
2 A' 3133 2955 0.15      
3 A' 1918 1808 203.99      
4 A' 1535 1447 13.73      
5 A' 1462 1378 42.12      
6 A' 1260 1189 194.65      
7 A' 1045 986 34.28      
8 A' 862 813 48.22      
9 A' 598 564 20.00      
10 A' 416 392 0.15      
11 A" 3219 3036 0.76      
12 A" 1537 1449 9.78      
13 A" 1104 1041 8.87      
14 A" 571 539 6.06      
15 A" 144 135 0.17      

Unscaled Zero Point Vibrational Energy (zpe) 11030.9 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 10402.1 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*
ABC
0.35994 0.32283 0.17575

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.187 0.000
C2 1.040 -0.889 0.000
O3 0.144 1.376 0.000
F4 -1.249 -0.369 0.000
H5 2.030 -0.438 0.000
H6 0.909 -1.520 0.882
H7 0.909 -1.520 -0.882

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7
C11.49591.19811.36722.12442.12582.1258
C21.49592.43552.34691.08821.09231.0923
O31.19812.43552.23342.61723.12293.1229
F41.36722.34692.23343.28012.60032.6003
H52.12441.08822.61723.28011.79001.7900
H62.12581.09233.12292.60031.79001.7634
H72.12581.09233.12292.60031.79001.7634

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 109.581 C1 C2 H6 109.448
C1 C2 H7 109.448 C2 C1 O3 129.056
C2 C1 F4 110.025 O3 C1 F4 120.919
H5 C2 H6 110.345 H5 C2 H7 110.345
H6 C2 H7 107.643
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability