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: BLYP/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 BLYP/6-31G**
 hartrees
Energy at 0K-253.039999
Energy at 298.15K-253.043414
Nuclear repulsion energy116.989385
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 BLYP/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' 3105 3081 5.87      
2 A' 2993 2970 0.80      
3 A' 1850 1835 226.87      
4 A' 1446 1435 11.63      
5 A' 1367 1356 28.02      
6 A' 1169 1160 177.01      
7 A' 974 967 42.13      
8 A' 803 797 42.29      
9 A' 569 565 14.37      
10 A' 395 391 0.17      
11 A" 3054 3030 3.56      
12 A" 1452 1440 7.56      
13 A" 1037 1029 7.55      
14 A" 541 537 3.51      
15 A" 130 129 0.36      

Unscaled Zero Point Vibrational Energy (zpe) 10441.4 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 10361.0 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 BLYP/6-31G**
ABC
0.35421 0.31657 0.17258

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.191 0.000
C2 1.067 -0.878 0.000
O3 0.121 1.387 0.000
F4 -1.258 -0.391 0.000
H5 2.060 -0.415 0.000
H6 0.948 -1.521 0.886
H7 0.948 -1.521 -0.886

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7
C11.51021.20221.38642.14752.14772.1477
C21.51022.45462.37541.09611.10101.1010
O31.20222.45462.25042.64733.15003.1500
F41.38642.37542.25043.31862.63192.6319
H52.14751.09612.64733.31861.80151.8015
H62.14771.10103.15002.63191.80151.7722
H72.14771.10103.15002.63191.80151.7722

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 109.954 C1 C2 H6 109.677
C1 C2 H7 109.677 C2 C1 O3 129.281
C2 C1 F4 110.117 O3 C1 F4 120.602
H5 C2 H6 110.153 H5 C2 H7 110.153
H6 C2 H7 107.184
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.526      
2 C -0.356      
3 O -0.355      
4 F -0.236      
5 H 0.136      
6 H 0.142      
7 H 0.142      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.466 -2.274 0.000 2.705
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.264 -1.294 0.000
y -1.294 -24.350 0.000
z 0.000 0.000 -21.017
Traceless
 xyz
x 0.419 -1.294 0.000
y -1.294 -2.710 0.000
z 0.000 0.000 2.290
Polar
3z2-r24.580
x2-y22.086
xy-1.294
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 69.294
(<r2>)1/2 8.324