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

using model chemistry: QCISD/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 QCISD/6-31G*
 hartrees
Energy at 0K-252.420363
Energy at 298.15K-252.423908
HF Energy-251.795399
Nuclear repulsion energy118.108533
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/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3211 3058 3.90      
2 A' 3096 2948 0.83      
3 A' 1945 1852 235.19      
4 A' 1523 1450 12.07      
5 A' 1459 1389 41.60      
6 A' 1271 1210 198.40      
7 A' 1047 997 29.63      
8 A' 868 827 38.59      
9 A' 603 574 22.10      
10 A' 415 395 0.09      
11 A" 3170 3019 2.73      
12 A" 1523 1451 8.99      
13 A" 1102 1050 8.76      
14 A" 572 545 7.77      
15 A" 142 135 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 10972.1 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 10448.7 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 QCISD/6-31G*
ABC
0.36254 0.32160 0.17604

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.186 0.000
C2 1.037 -0.897 0.000
O3 0.151 1.371 0.000
F4 -1.252 -0.355 0.000
H5 2.033 -0.452 0.000
H6 0.903 -1.529 0.885
H7 0.903 -1.529 -0.885

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7
C11.49951.19441.36362.13062.13112.1311
C21.49952.43532.35141.09141.09561.0956
O31.19442.43532.22412.62013.12453.1245
F41.36362.35142.22413.28582.60812.6081
H52.13061.09142.62013.28581.79491.7949
H62.13111.09563.12452.60811.79491.7692
H72.13111.09563.12452.60811.79491.7692

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 109.634 C1 C2 H6 109.427
C1 C2 H7 109.427 C2 C1 O3 129.020
C2 C1 F4 110.331 O3 C1 F4 120.650
H5 C2 H6 110.313 H5 C2 H7 110.313
H6 C2 H7 107.695
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability