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

using model chemistry: G3B3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes NULL 1A'
Energy calculated at G3B3
 hartrees
Energy at 0K-252.955362
Energy at 298.15K-252.950038
Nuclear repulsion energy 
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 B3LYP/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' 3189 3062 4.44      
2 A' 3074 2952 0.59      
3 A' 1933 1857 259.83      
4 A' 1498 1439 12.88      
5 A' 1427 1371 37.88      
6 A' 1235 1186 202.00      
7 A' 1021 980 35.80      
8 A' 853 819 36.25      
9 A' 597 574 18.40      
10 A' 409 393 0.08      
11 A" 3136 3012 2.75      
12 A" 1503 1443 8.75      
13 A" 1082 1039 9.82      
14 A" 566 544 5.41      
15 A" 136 130 0.26      

Unscaled Zero Point Vibrational Energy (zpe) 10829.7 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 10399.7 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 B3LYP/6-31G*
ABC
0.36421 0.32162 0.17640

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.187 0.000
C2 1.032 -0.902 0.000
O3 0.157 1.367 0.000
F4 -1.253 -0.345 0.000
H5 2.032 -0.467 0.000
H6 0.898 -1.537 0.882
H7 0.898 -1.537 -0.882

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7
C11.50071.19061.36152.13462.13462.1346
C21.50072.43232.35241.09011.09501.0950
O31.19062.43232.21842.62293.12443.1244
F41.36152.35242.21843.28732.61252.6125
H52.13461.09012.62293.28731.79141.7914
H62.13461.09503.12442.61251.79141.7637
H72.13461.09503.12442.61251.79141.7637

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 109.942 C1 C2 H6 109.658
C1 C2 H7 109.658 C2 C1 O3 128.954
C2 C1 F4 110.454 O3 C1 F4 120.592
H5 C2 H6 110.132 H5 C2 H7 110.132
H6 C2 H7 107.279
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.595 0.721 1.626 0.715
2 C -0.539 -0.386 -0.008 -0.456
3 O -0.382 -0.459 -1.182 -0.451
4 F -0.259 -0.245 -0.627 -0.238
5 H 0.193 0.115 0.064 0.136
6 H 0.196 0.127 0.064 0.147
7 H 0.196 0.127 0.064 0.147


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.409 -2.414 0.000 2.795
CHELPG 1.431 -2.421 0.000 2.812
AIM -1.021 1.531 0.000 1.840
ESP 1.426 -2.423 0.000 2.812


Electric Quadrupole moment
Quadrupole components in D Å


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> 68.183
(<r2>)1/2 8.257