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

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes NULL 1A'
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-253.032211
Energy at 298.15K-253.035742
Nuclear repulsion energy118.864152
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**
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' 3225 3068 2.37      
2 A' 3097 2946 0.17      
3 A' 1967 1872 277.21      
4 A' 1481 1409 12.89      
5 A' 1416 1347 59.95      
6 A' 1253 1192 208.43      
7 A' 1020 970 23.64      
8 A' 875 833 33.64      
9 A' 607 577 19.70      
10 A' 412 392 0.08      
11 A" 3175 3021 1.10      
12 A" 1488 1416 9.81      
13 A" 1074 1022 11.59      
14 A" 571 543 4.99      
15 A" 134 128 0.27      

Unscaled Zero Point Vibrational Energy (zpe) 10897.8 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 10369.2 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**
ABC
0.36793 0.32515 0.17830

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.185 0.000
C2 1.022 -0.903 0.000
O3 0.163 1.361 0.000
F4 -1.247 -0.337 0.000
H5 2.021 -0.472 0.000
H6 0.883 -1.535 0.879
H7 0.883 -1.535 -0.879

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7
C11.49241.18691.35172.12482.12392.1239
C21.49242.42092.33811.08731.09211.0921
O31.18692.42092.20682.60983.11073.1107
F41.35172.33812.20683.27012.59672.5967
H52.12481.08732.60983.27011.78791.7879
H62.12391.09213.11072.59671.78791.7590
H72.12391.09213.11072.59671.78791.7590

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 109.910 C1 C2 H6 109.554
C1 C2 H7 109.554 C2 C1 O3 128.897
C2 C1 F4 110.487 O3 C1 F4 120.616
H5 C2 H6 110.246 H5 C2 H7 110.246
H6 C2 H7 107.288
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.604      
2 C -0.491      
3 O -0.395      
4 F -0.264      
5 H 0.180      
6 H 0.183      
7 H 0.183      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.402 -2.480 0.000 2.849
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.221 -1.402 0.000
y -1.402 -24.302 0.000
z 0.000 0.000 -20.837
Traceless
 xyz
x 0.349 -1.402 0.000
y -1.402 -2.773 0.000
z 0.000 0.000 2.425
Polar
3z2-r24.849
x2-y22.081
xy-1.402
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> 67.545
(<r2>)1/2 8.219