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

using model chemistry: B3PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes NULL 1A'
Energy calculated at B3PW91/6-31+G**
 hartrees
Energy at 0K-253.015916
Energy at 298.15K-253.019405
Nuclear repulsion energy118.348701
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 B3PW91/6-31+G**
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' 3201 3074 1.96      
2 A' 3077 2954 0.11      
3 A' 1931 1854 319.54      
4 A' 1467 1409 15.65      
5 A' 1402 1346 48.05      
6 A' 1204 1156 225.23      
7 A' 1006 966 33.38      
8 A' 841 808 66.71      
9 A' 594 570 18.56      
10 A' 412 396 0.18      
11 A" 3154 3028 0.53      
12 A" 1474 1415 11.05      
13 A" 1063 1021 10.42      
14 A" 568 545 5.62      
15 A" 125 120 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 10758.8 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 10329.5 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 B3PW91/6-31+G**
ABC
0.36496 0.32223 0.17675

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.186 0.000
C2 1.063 -0.862 0.000
O3 0.106 1.370 0.000
F4 -1.241 -0.390 0.000
H5 2.045 -0.392 0.000
H6 0.949 -1.500 0.881
H7 0.949 -1.500 -0.881

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7
C11.49271.18901.36762.12562.12592.1259
C21.49272.42902.35151.08921.09381.0938
O31.18902.42902.21572.62083.11873.1187
F41.36762.35152.21573.28612.60842.6084
H52.12561.08922.62083.28611.79071.7907
H62.12591.09383.11872.60841.79071.7625
H72.12591.09383.11872.60841.79071.7625

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 109.833 C1 C2 H6 109.586
C1 C2 H7 109.586 C2 C1 O3 129.503
C2 C1 F4 110.516 O3 C1 F4 119.981
H5 C2 H6 110.225 H5 C2 H7 110.225
H6 C2 H7 107.347
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.499      
2 C -0.491      
3 O -0.371      
4 F -0.260      
5 H 0.206      
6 H 0.209      
7 H 0.209      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.884 -2.505 0.000 3.135
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.003 -1.576 0.000
y -1.576 -25.137 0.000
z 0.000 0.000 -21.363
Traceless
 xyz
x 0.247 -1.576 0.000
y -1.576 -2.954 0.000
z 0.000 0.000 2.707
Polar
3z2-r25.413
x2-y22.134
xy-1.576
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> 68.435
(<r2>)1/2 8.273