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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-251.707637
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 3079 2.94      
2 A' 3078 2970 0.09      
3 A' 1870 1804 180.07      
4 A' 1530 1476 18.20      
5 A' 1452 1401 41.02      
6 A' 1231 1188 172.27      
7 A' 1025 989 42.04      
8 A' 836 807 15.34      
9 A' 585 565 17.34      
10 A' 388 375 0.23      
11 A" 3130 3021 1.29      
12 A" 1541 1487 12.54      
13 A" 1110 1071 12.94      
14 A" 576 555 3.25      
15 A" 141 137 0.74      

Unscaled Zero Point Vibrational Energy (zpe) 10841.7 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 10461.2 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     0.779
2 C -0.665     -0.567
3 O -0.428     -0.453
4 F -0.275     -0.269
5 H 0.236     0.162
6 H 0.246     0.174
7 H 0.246     0.174


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 1.741 -2.207 0.000 2.811


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