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

using model chemistry: B1B95/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes NULL 1A'
Energy calculated at B1B95/6-311G**
 hartrees
Energy at 0K-253.086380
Energy at 298.15K-253.089910
Nuclear repulsion energy119.096245
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 B1B95/6-311G**
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' 3196 3068 3.25      
2 A' 3075 2952 0.14      
3 A' 1952 1874 303.48      
4 A' 1463 1405 14.32      
5 A' 1394 1339 56.20      
6 A' 1217 1168 215.76      
7 A' 1006 965 30.84      
8 A' 855 821 54.83      
9 A' 607 583 19.40      
10 A' 409 392 0.08      
11 A" 3147 3021 1.73      
12 A" 1468 1409 10.13      
13 A" 1063 1021 11.21      
14 A" 570 547 5.04      
15 A" 137 132 0.29      

Unscaled Zero Point Vibrational Energy (zpe) 10778.7 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 10348.7 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 B1B95/6-311G**
ABC
0.36962 0.32614 0.17898

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.187 0.000
C2 1.044 -0.874 0.000
O3 0.126 1.360 0.000
F4 -1.237 -0.369 0.000
H5 2.031 -0.422 0.000
H6 0.917 -1.507 0.878
H7 0.917 -1.507 -0.878

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7
C11.48841.17931.35622.12012.11742.1174
C21.48842.41502.33611.08551.09031.0903
O31.17932.41502.20102.60833.10123.1012
F41.35622.33612.20103.26822.58982.5898
H52.12011.08552.60833.26821.78621.7862
H62.11741.09033.10122.58981.78621.7565
H72.11741.09033.10122.58981.78621.7565

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 109.922 C1 C2 H6 109.419
C1 C2 H7 109.419 C2 C1 O3 129.351
C2 C1 F4 110.334 O3 C1 F4 120.316
H5 C2 H6 110.355 H5 C2 H7 110.355
H6 C2 H7 107.325
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.372      
2 C -0.376      
3 O -0.271      
4 F -0.212      
5 H 0.159      
6 H 0.163      
7 H 0.163      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.651 -2.348 0.000 2.870
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.668 -1.413 0.000
y -1.413 -24.625 0.000
z 0.000 0.000 -21.064
Traceless
 xyz
x 0.176 -1.413 0.000
y -1.413 -2.759 0.000
z 0.000 0.000 2.583
Polar
3z2-r25.165
x2-y21.957
xy-1.413
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.604 -0.005 0.000
y -0.005 4.371 0.000
z 0.000 0.000 2.761


<r2> (average value of r2) Å2
<r2> 67.545
(<r2>)1/2 8.219