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

using model chemistry: HF/CEP-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 HF/CEP-31G*
 hartrees
Energy at 0K-52.300499
Energy at 298.15K-52.304158
Nuclear repulsion energy66.106122
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 HF/CEP-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' 3375 3031 17.69      
2 A' 3259 2927 6.57      
3 A' 2102 1888 435.92      
4 A' 1598 1435 10.94      
5 A' 1552 1394 45.42      
6 A' 1346 1209 266.25      
7 A' 1110 996 36.28      
8 A' 929 834 37.59      
9 A' 645 579 33.18      
10 A' 433 389 0.04      
11 A" 3332 2992 17.92      
12 A" 1605 1442 7.76      
13 A" 1174 1055 10.42      
14 A" 619 556 15.49      
15 A" 142 127 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 11610.4 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 10426.1 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 HF/CEP-31G*
ABC
0.37631 0.31972 0.17860

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.212 0.000
C2 0.971 -0.951 0.000
O3 0.230 1.369 0.000
F4 -1.262 -0.222 0.000
H5 1.988 -0.572 0.000
H6 0.791 -1.564 0.882
H7 0.791 -1.564 -0.882

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7
C11.51531.17951.33422.13642.13492.1349
C21.51532.43582.34901.08511.08921.0892
O31.17952.43582.18052.61823.11363.1136
F41.33422.34902.18053.26812.60642.6064
H52.13641.08512.61823.26811.78751.7875
H62.13491.08923.11362.60641.78751.7648
H72.13491.08923.11362.60641.78751.7648

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 109.363 C1 C2 H6 109.010
C1 C2 H7 109.010 C2 C1 O3 128.917
C2 C1 F4 110.881 O3 C1 F4 120.202
H5 C2 H6 110.596 H5 C2 H7 110.596
H6 C2 H7 108.227
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.185      
2 C -0.245      
3 O -0.165      
4 F -0.214      
5 H 0.155      
6 H 0.141      
7 H 0.141      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.520 -2.910 0.000 3.283
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.235 -1.665 0.000
y -1.665 -25.360 0.000
z 0.000 0.000 -21.060
Traceless
 xyz
x -0.025 -1.665 0.000
y -1.665 -3.212 0.000
z 0.000 0.000 3.237
Polar
3z2-r26.474
x2-y22.125
xy-1.665
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.188 0.089 0.000
y 0.089 4.015 0.000
z 0.000 0.000 2.610


<r2> (average value of r2) Å2
<r2> 57.098
(<r2>)1/2 7.556