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: M06-2X/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 M06-2X/6-31G*
 hartrees
Energy at 0K-252.988921
Energy at 298.15K-252.992353
HF Energy-252.988921
Nuclear repulsion energy118.907035
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 M06-2X/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' 3222 3051 1.30      
2 A' 3101 2937 0.06      
3 A' 2001 1895 291.99      
4 A' 1496 1417 11.70      
5 A' 1429 1353 64.15      
6 A' 1276 1208 212.13      
7 A' 1026 972 21.08      
8 A' 891 844 28.69      
9 A' 614 582 22.28      
10 A' 413 391 0.05      
11 A" 3175 3007 0.67      
12 A" 1497 1418 9.29      
13 A" 1081 1024 11.12      
14 A" 570 540 5.99      
15 A" 75 71 0.26      

Unscaled Zero Point Vibrational Energy (zpe) 10933.5 cm-1
Scaled (by 0.947) Zero Point Vibrational Energy (zpe) 10354.0 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 M06-2X/6-31G*
ABC
0.36932 0.32417 0.17837

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.186 0.000
C2 1.014 -0.917 0.000
O3 0.176 1.358 0.000
F4 -1.249 -0.322 0.000
H5 2.017 -0.494 0.000
H6 0.866 -1.545 0.882
H7 0.866 -1.545 -0.882

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7
C11.49791.18511.34782.12832.12682.1268
C21.49792.42412.33971.08831.09311.0931
O31.18512.42412.20212.61133.11153.1115
F41.34782.33972.20213.27012.59722.5972
H52.12831.08832.61133.27011.79121.7912
H62.12681.09313.11152.59721.79121.7637
H72.12681.09313.11152.59721.79121.7637

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 109.746 C1 C2 H6 109.346
C1 C2 H7 109.346 C2 C1 O3 128.865
C2 C1 F4 110.495 O3 C1 F4 120.640
H5 C2 H6 110.399 H5 C2 H7 110.399
H6 C2 H7 107.564
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.616      
2 C -0.584      
3 O -0.394      
4 F -0.273      
5 H 0.211      
6 H 0.212      
7 H 0.212      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.392 -2.468 0.000 2.833
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.500 -1.402 0.000
y -1.402 -24.471 0.000
z 0.000 0.000 -20.972
Traceless
 xyz
x 0.222 -1.402 0.000
y -1.402 -2.735 0.000
z 0.000 0.000 2.513
Polar
3z2-r25.026
x2-y21.971
xy-1.402
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.359 0.066 0.000
y 0.066 4.180 0.000
z 0.000 0.000 2.646


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000