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

using model chemistry: QCISD/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes NULL 1A'
Energy calculated at QCISD/3-21G
 hartrees
Energy at 0K-250.846973
Energy at 298.15K-250.850489
HF Energy-250.402875
Nuclear repulsion energy116.419768
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/3-21G
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' 3164 3067 3.70      
2 A' 3059 2965 0.62      
3 A' 1831 1775 140.79      
4 A' 1550 1503 16.54      
5 A' 1470 1425 28.02      
6 A' 1247 1209 166.83      
7 A' 1040 1008 41.86      
8 A' 826 801 12.93      
9 A' 587 569 20.33      
10 A' 387 376 0.41      
11 A" 3119 3023 2.61      
12 A" 1557 1509 9.97      
13 A" 1121 1087 10.02      
14 A" 568 550 6.33      
15 A" 144 140 0.37      

Unscaled Zero Point Vibrational Energy (zpe) 10835.4 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 10501.6 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 QCISD/3-21G
ABC
0.35022 0.31392 0.17088

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.190 0.000
C2 1.089 -0.863 0.000
O3 0.090 1.400 0.000
F4 -1.254 -0.422 0.000
H5 2.065 -0.372 0.000
H6 0.981 -1.499 0.889
H7 0.981 -1.499 -0.889

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7
C11.51491.21351.39502.14042.14562.1456
C21.51492.47402.38341.09291.09761.0976
O31.21352.47402.26412.65383.16023.1602
F41.39502.38342.26413.31902.63472.6347
H52.14041.09292.65383.31901.79821.7982
H62.14561.09763.16022.63471.79821.7771
H72.14561.09763.16022.63471.79821.7771

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 109.255 C1 C2 H6 109.390
C1 C2 H7 109.390 C2 C1 O3 129.789
C2 C1 F4 109.919 O3 C1 F4 120.291
H5 C2 H6 110.344 H5 C2 H7 110.344
H6 C2 H7 108.095
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability