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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-52.614740
Energy at 298.15K-52.618121
HF Energy-52.187993
Nuclear repulsion energy63.124319
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' 3148 3072 6.59      
2 A' 3012 2940 2.32      
3 A' 1731 1690 180.35      
4 A' 1510 1473 21.40      
5 A' 1458 1423 23.25      
6 A' 1171 1143 119.36      
7 A' 983 960 75.24      
8 A' 711 694 131.20      
9 A' 527 515 19.28      
10 A' 384 375 1.92      
11 A" 3122 3047 4.68      
12 A" 1499 1463 13.10      
13 A" 1097 1070 6.06      
14 A" 515 502 8.29      
15 A" 140 137 0.27      

Unscaled Zero Point Vibrational Energy (zpe) 10503.8 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 10251.7 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
0.32902 0.30268 0.16251

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 0.204 0.000
C2 1.231 -0.694 0.000
O3 -0.126 1.430 0.000
F4 -1.214 -0.639 0.000
H5 2.134 -0.073 0.000
H6 1.206 -1.339 0.890
H7 1.206 -1.339 -0.890

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7
C11.52401.23221.47832.15182.15142.1514
C21.52402.52072.44511.09661.09931.0993
O31.23222.52072.33822.71383.19893.1989
F41.47832.44512.33823.39542.67172.6717
H52.15181.09662.71383.39541.80451.8045
H62.15141.09933.19892.67171.80451.7808
H72.15141.09933.19892.67171.80451.7808

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 109.311 C1 C2 H6 109.123
C1 C2 H7 109.123 C2 C1 O3 132.000
C2 C1 F4 109.051 O3 C1 F4 118.949
H5 C2 H6 110.528 H5 C2 H7 110.528
H6 C2 H7 108.196
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability