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

using model chemistry: B1B95/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes NULL 1A'
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-253.015911
Energy at 298.15K-253.019424
Nuclear repulsion energy118.850528
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 B1B95/6-31G**
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' 3217 3071 2.57      
2 A' 3088 2949 0.16      
3 A' 1961 1872 271.81      
4 A' 1473 1406 12.35      
5 A' 1405 1342 58.77      
6 A' 1246 1190 206.65      
7 A' 1012 966 22.87      
8 A' 871 832 33.65      
9 A' 602 575 19.46      
10 A' 406 388 0.08      
11 A" 3166 3023 1.23      
12 A" 1480 1413 9.28      
13 A" 1065 1017 10.92      
14 A" 565 540 4.78      
15 A" 135 129 0.28      

Unscaled Zero Point Vibrational Energy (zpe) 10845.5 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 10355.2 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 B1B95/6-31G**
ABC
0.36764 0.32530 0.17828

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.185 0.000
C2 1.026 -0.898 0.000
O3 0.156 1.362 0.000
F4 -1.245 -0.344 0.000
H5 2.022 -0.464 0.000
H6 0.889 -1.530 0.879
H7 0.889 -1.530 -0.879

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7
C11.49161.18731.35282.12402.12262.1226
C21.49162.42132.33741.08681.09171.0917
O31.18732.42132.20782.61103.11043.1104
F41.35282.33742.20783.26972.59492.5949
H52.12401.08682.61103.26971.78731.7873
H62.12261.09173.11042.59491.78731.7584
H72.12261.09173.11042.59491.78731.7584

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 109.933 C1 C2 H6 109.527
C1 C2 H7 109.527 C2 C1 O3 128.987
C2 C1 F4 110.425 O3 C1 F4 120.588
H5 C2 H6 110.258 H5 C2 H7 110.258
H6 C2 H7 107.293
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.584      
2 C -0.452      
3 O -0.385      
4 F -0.260      
5 H 0.169      
6 H 0.172      
7 H 0.172      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.418 -2.438 0.000 2.820
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.204 -1.382 0.000
y -1.382 -24.260 0.000
z 0.000 0.000 -20.832
Traceless
 xyz
x 0.342 -1.382 0.000
y -1.382 -2.742 0.000
z 0.000 0.000 2.400
Polar
3z2-r24.801
x2-y22.056
xy-1.382
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.455 0.031 0.000
y 0.031 4.243 0.000
z 0.000 0.000 2.666


<r2> (average value of r2) Å2
<r2> 67.534
(<r2>)1/2 8.218