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

using model chemistry: B3LYP/3-21G*

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/3-21G*
 hartrees
Energy at 0K-251.704124
Energy at 298.15K-251.707630
Nuclear repulsion energy117.141839
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/3-21G*
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' 3191 3069 2.94      
2 A' 3078 2961 0.09      
3 A' 1870 1799 180.07      
4 A' 1530 1471 18.20      
5 A' 1452 1397 41.02      
6 A' 1231 1185 172.27      
7 A' 1025 986 42.04      
8 A' 836 804 15.34      
9 A' 585 563 17.34      
10 A' 388 374 0.23      
11 A" 3130 3011 1.29      
12 A" 1541 1482 12.54      
13 A" 1110 1068 12.94      
14 A" 576 554 3.25      
15 A" 141 136 0.74      

Unscaled Zero Point Vibrational Energy (zpe) 10841.7 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 10429.7 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/3-21G*
ABC
0.35382 0.31893 0.17314

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.192 0.000
C2 1.093 -0.837 0.000
O3 0.065 1.395 0.000
F4 -1.236 -0.444 0.000
H5 2.065 -0.346 0.000
H6 0.991 -1.477 0.882
H7 0.991 -1.477 -0.882

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7
C11.50121.20471.38992.13372.13232.1323
C21.50122.45742.36181.08861.09471.0947
O31.20472.45742.25242.65173.14413.1441
F41.38992.36182.25243.30212.60882.6088
H52.13371.08862.65173.30211.79151.7915
H62.13231.09473.14412.60881.79151.7644
H72.13231.09473.14412.60881.79151.7644

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 109.934 C1 C2 H6 109.458
C1 C2 H7 109.458 C2 C1 O3 130.188
C2 C1 F4 109.500 O3 C1 F4 120.313
H5 C2 H6 110.280 H5 C2 H7 110.280
H6 C2 H7 107.388
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.640      
2 C -0.665      
3 O -0.428      
4 F -0.275      
5 H 0.236      
6 H 0.246      
7 H 0.246      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.732 -2.220 0.000 2.816
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.567 -1.341 0.000
y -1.341 -24.779 0.000
z 0.000 0.000 -20.957
Traceless
 xyz
x 0.301 -1.341 0.000
y -1.341 -3.017 0.000
z 0.000 0.000 2.716
Polar
3z2-r25.433
x2-y22.212
xy-1.341
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.072 0.047 0.000
y 0.047 3.861 0.000
z 0.000 0.000 2.216


<r2> (average value of r2) Å2
<r2> 69.203
(<r2>)1/2 8.319