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

using model chemistry: mPW1PW91/6-31G(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 mPW1PW91/6-31G(2df,p)
 hartrees
Energy at 0K-253.048107
Energy at 298.15K-253.051635
Nuclear repulsion energy119.295143
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 mPW1PW91/6-31G(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' 3212 3067 2.50      
2 A' 3086 2946 0.25      
3 A' 1954 1865 268.36      
4 A' 1466 1400 12.44      
5 A' 1399 1336 54.08      
6 A' 1247 1190 196.42      
7 A' 1013 968 23.64      
8 A' 878 838 28.52      
9 A' 611 584 18.93      
10 A' 411 392 0.05      
11 A" 3163 3020 0.98      
12 A" 1475 1408 7.81      
13 A" 1071 1022 10.43      
14 A" 579 553 4.48      
15 A" 127 121 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 10845.4 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 10354.1 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 mPW1PW91/6-31G(2df,p)
ABC
0.37222 0.32598 0.17956

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.185 0.000
C2 1.000 -0.926 0.000
O3 0.191 1.351 0.000
F4 -1.247 -0.305 0.000
H5 2.007 -0.516 0.000
H6 0.847 -1.555 0.880
H7 0.847 -1.555 -0.880

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7
C11.49411.18221.33992.12542.12542.1254
C21.49412.41652.33131.08741.09221.0922
O31.18222.41652.19342.60443.10653.1065
F41.33992.33132.19343.26092.59312.5931
H52.12541.08742.60443.26091.78841.7884
H62.12541.09223.10652.59311.78841.7594
H72.12541.09223.10652.59311.78841.7594

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 109.837 C1 C2 H6 109.555
C1 C2 H7 109.555 C2 C1 O3 128.712
C2 C1 F4 110.576 O3 C1 F4 120.712
H5 C2 H6 110.273 H5 C2 H7 110.273
H6 C2 H7 107.307
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.405      
2 C -0.579      
3 O -0.289      
4 F -0.103      
5 H 0.186      
6 H 0.189      
7 H 0.189      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.264 -2.438 0.000 2.746
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.181 -1.389 0.000
y -1.389 -24.130 0.000
z 0.000 0.000 -20.750
Traceless
 xyz
x 0.259 -1.389 0.000
y -1.389 -2.665 0.000
z 0.000 0.000 2.406
Polar
3z2-r24.811
x2-y21.950
xy-1.389
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.719 -0.029 0.000
y -0.029 4.382 0.000
z 0.000 0.000 2.917


<r2> (average value of r2) Å2
<r2> 67.155
(<r2>)1/2 8.195