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

using model chemistry: B3LYP/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 B3LYP/CEP-31G*
 hartrees
Energy at 0K-53.284944
Energy at 298.15K-53.288384
Nuclear repulsion energy64.920033
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/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' 3187 3078 11.37      
2 A' 3075 2970 1.72      
3 A' 1910 1844 309.88      
4 A' 1469 1419 14.25      
5 A' 1402 1354 40.72      
6 A' 1201 1160 216.30      
7 A' 1000 965 34.43      
8 A' 830 802 53.17      
9 A' 582 562 18.64      
10 A' 397 384 0.15      
11 A" 3143 3035 8.93      
12 A" 1473 1422 10.95      
13 A" 1060 1024 10.11      
14 A" 552 533 4.57      
15 A" 127 123 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 10704.3 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 10337.1 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 B3LYP/CEP-31G*
ABC
0.35819 0.31299 0.17250

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.216 0.000
C2 1.036 -0.899 0.000
O3 0.155 1.409 0.000
F4 -1.271 -0.314 0.000
H5 2.044 -0.462 0.000
H6 0.888 -1.531 0.891
H7 0.888 -1.531 -0.891

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7
C11.52211.20241.37712.15352.15352.1535
C21.52212.46982.38011.09871.10271.1027
O31.20242.46982.23632.65803.15843.1584
F41.37712.38012.23633.31832.63432.6343
H52.15351.09872.65803.31831.80951.8095
H62.15351.10273.15842.63431.80951.7820
H72.15351.10273.15842.63431.80951.7820

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 109.450 C1 C2 H6 109.217
C1 C2 H7 109.217 C2 C1 O3 129.680
C2 C1 F4 110.259 O3 C1 F4 120.061
H5 C2 H6 110.562 H5 C2 H7 110.562
H6 C2 H7 107.796
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.007      
2 C -0.358      
3 O -0.050      
4 F -0.140      
5 H 0.185      
6 H 0.178      
7 H 0.178      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.758 -2.575 0.000 3.118
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.773 -1.435 0.000
y -1.435 -24.797 0.000
z 0.000 0.000 -21.092
Traceless
 xyz
x 0.171 -1.435 0.000
y -1.435 -2.865 0.000
z 0.000 0.000 2.694
Polar
3z2-r25.387
x2-y22.024
xy-1.435
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.618 -0.018 0.000
y -0.018 4.412 0.000
z 0.000 0.000 2.734


<r2> (average value of r2) Å2
<r2> 58.303
(<r2>)1/2 7.636