return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: PBEPBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes NULL 1A'
Energy calculated at PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-252.922489
Energy at 298.15K-252.925922
Nuclear repulsion energy117.851669
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 PBEPBE/cc-pVTZ
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' 3104 3083 2.87      
2 A' 2992 2971 0.08      
3 A' 1857 1844 260.57      
4 A' 1416 1406 14.29      
5 A' 1341 1332 41.75      
6 A' 1153 1145 182.66      
7 A' 967 960 34.90      
8 A' 807 801 63.76      
9 A' 578 574 14.19      
10 A' 401 399 0.18      
11 A" 3055 3034 0.95      
12 A" 1421 1411 8.44      
13 A" 1025 1018 8.44      
14 A" 550 546 2.85      
15 A" 124 123 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 10394.9 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 10323.2 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 PBEPBE/cc-pVTZ
ABC
0.35990 0.32135 0.17532

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.190 0.000
C2 1.075 -0.850 0.000
O3 0.092 1.378 0.000
F4 -1.241 -0.412 0.000
H5 2.058 -0.371 0.000
H6 0.965 -1.493 0.883
H7 0.965 -1.493 -0.883

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7
C11.49511.19181.37912.13322.13152.1315
C21.49512.43482.35711.09341.09841.0984
O31.19182.43482.23142.63183.12833.1283
F41.37912.35712.23143.29962.61092.6109
H52.13321.09342.63183.29961.79841.7984
H62.13151.09843.12832.61091.79841.7662
H72.13151.09843.12832.61091.79841.7662

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 110.022 C1 C2 H6 109.593
C1 C2 H7 109.593 C2 C1 O3 129.621
C2 C1 F4 110.121 O3 C1 F4 120.258
H5 C2 H6 110.275 H5 C2 H7 110.275
H6 C2 H7 107.031
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.276      
2 C -0.299      
3 O -0.194      
4 F -0.157      
5 H 0.122      
6 H 0.126      
7 H 0.126      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.682 -2.264 0.000 2.820
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.704 -1.343 0.000
y -1.343 -24.788 0.000
z 0.000 0.000 -21.418
Traceless
 xyz
x 0.398 -1.343 0.000
y -1.343 -2.726 0.000
z 0.000 0.000 2.328
Polar
3z2-r24.656
x2-y22.083
xy-1.343
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.278 -0.106 0.000
y -0.106 4.918 0.000
z 0.000 0.000 3.211


<r2> (average value of r2) Å2
<r2> 68.727
(<r2>)1/2 8.290