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

using model chemistry: B3LYP/CEP-121G

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-121G
 hartrees
Energy at 0K-53.219918
Energy at 298.15K-53.223347
Nuclear repulsion energy63.952932
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-121G
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' 3156 3075 7.15      
2 A' 3027 2950 0.65      
3 A' 1787 1742 250.17      
4 A' 1492 1454 24.08      
5 A' 1433 1396 37.06      
6 A' 1178 1148 162.53      
7 A' 994 969 55.95      
8 A' 765 746 82.81      
9 A' 547 533 20.08      
10 A' 390 380 0.76      
11 A" 3111 3032 4.95      
12 A" 1490 1452 15.41      
13 A" 1083 1055 10.33      
14 A" 531 518 6.81      
15 A" 137 133 0.34      

Unscaled Zero Point Vibrational Energy (zpe) 10560.6 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 10291.3 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-121G
ABC
0.34137 0.30838 0.16707

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.219 0.000
C2 1.145 -0.768 0.000
O3 -0.005 1.439 0.000
F4 -1.256 -0.484 0.000
H5 2.095 -0.230 0.000
H6 1.073 -1.411 0.884
H7 1.073 -1.411 -0.884

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7
C11.51141.21991.43972.14232.14292.1429
C21.51142.48822.41721.09131.09581.0958
O31.21992.48822.29502.68223.17313.1731
F41.43972.41722.29503.36012.65792.6579
H52.14231.09132.68223.36011.79431.7943
H62.14291.09583.17312.65791.79431.7677
H72.14291.09583.17312.65791.79431.7677

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 109.738 C1 C2 H6 109.520
C1 C2 H7 109.520 C2 C1 O3 130.986
C2 C1 F4 109.960 O3 C1 F4 119.054
H5 C2 H6 110.249 H5 C2 H7 110.249
H6 C2 H7 107.530
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.246      
2 C -0.549      
3 O -0.079      
4 F -0.220      
5 H 0.195      
6 H 0.204      
7 H 0.204      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.677 -2.325 0.000 3.545
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.489 -1.765 0.000
y -1.765 -26.034 0.000
z 0.000 0.000 -21.444
Traceless
 xyz
x 0.250 -1.765 0.000
y -1.765 -3.568 0.000
z 0.000 0.000 3.317
Polar
3z2-r26.635
x2-y22.545
xy-1.765
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.786 0.046 0.000
y 0.046 4.680 0.000
z 0.000 0.000 2.793


<r2> (average value of r2) Å2
<r2> 59.969
(<r2>)1/2 7.744