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

using model chemistry: B3PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes NULL 1A'
Energy calculated at B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-253.016043
Energy at 298.15K-253.019557
Nuclear repulsion energy119.019478
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 B3PW91/6-31G(2df,p)
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' 3193 3069 2.88      
2 A' 3068 2950 0.32      
3 A' 1935 1861 261.41      
4 A' 1459 1403 12.48      
5 A' 1390 1336 48.97      
6 A' 1233 1185 195.28      
7 A' 1006 968 25.60      
8 A' 867 834 29.91      
9 A' 606 582 18.05      
10 A' 409 393 0.06      
11 A" 3144 3022 1.20      
12 A" 1467 1411 7.67      
13 A" 1064 1023 10.04      
14 A" 575 553 4.21      
15 A" 127 123 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 10771.4 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 10355.6 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 B3PW91/6-31G(2df,p)
ABC
0.37023 0.32470 0.17872

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.185 0.000
C2 1.006 -0.922 0.000
O3 0.185 1.355 0.000
F4 -1.249 -0.312 0.000
H5 2.013 -0.508 0.000
H6 0.857 -1.554 0.881
H7 0.857 -1.554 -0.881

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7
C11.49641.18461.34472.12892.12942.1294
C21.49642.42112.33661.08891.09371.0937
O31.18462.42112.19942.60993.11273.1127
F41.34472.33662.19943.26822.59902.5990
H52.12891.08892.60993.26821.79041.7904
H62.12941.09373.11272.59901.79041.7613
H72.12941.09373.11272.59901.79041.7613

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 109.863 C1 C2 H6 109.614
C1 C2 H7 109.614 C2 C1 O3 128.758
C2 C1 F4 110.549 O3 C1 F4 120.693
H5 C2 H6 110.226 H5 C2 H7 110.226
H6 C2 H7 107.256
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.401      
2 C -0.576      
3 O -0.284      
4 F -0.098      
5 H 0.184      
6 H 0.187      
7 H 0.187      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.279 -2.415 0.000 2.733
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.186 -1.380 0.000
y -1.380 -24.139 0.000
z 0.000 0.000 -20.765
Traceless
 xyz
x 0.266 -1.380 0.000
y -1.380 -2.663 0.000
z 0.000 0.000 2.397
Polar
3z2-r24.795
x2-y21.953
xy-1.380
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.759 -0.035 0.000
y -0.035 4.418 0.000
z 0.000 0.000 2.933


<r2> (average value of r2) Å2
<r2> 67.403
(<r2>)1/2 8.210