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

using model chemistry: LSDA/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 LSDA/3-21G*
 hartrees
Energy at 0K-250.458226
Energy at 298.15K-250.461709
Nuclear repulsion energy117.693611
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 LSDA/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' 3138 3082 0.51      
2 A' 3012 2957 0.96      
3 A' 1873 1839 174.99      
4 A' 1462 1435 20.02      
5 A' 1387 1362 72.11      
6 A' 1232 1210 179.65      
7 A' 999 981 16.94      
8 A' 860 844 14.12      
9 A' 586 576 15.65      
10 A' 384 377 0.31      
11 A" 3077 3021 0.07      
12 A" 1473 1446 18.12      
13 A" 1065 1046 17.07      
14 A" 571 561 0.68      
15 A" 138 135 1.29      

Unscaled Zero Point Vibrational Energy (zpe) 10627.8 cm-1
Scaled (by 0.982) Zero Point Vibrational Energy (zpe) 10436.5 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 LSDA/3-21G*
ABC
0.35621 0.32443 0.17538

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.188 0.000
C2 1.082 -0.825 0.000
O3 0.062 1.392 0.000
F4 -1.223 -0.448 0.000
H5 2.063 -0.334 0.000
H6 0.982 -1.476 0.886
H7 0.982 -1.476 -0.886

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7
C11.48211.20561.37902.12832.12592.1259
C21.48212.44072.33561.09751.10401.1040
O31.20562.44072.24462.64343.13993.1399
F41.37902.33562.24463.28862.58982.5898
H52.12831.09752.64343.28861.80461.8046
H62.12591.10403.13992.58981.80461.7728
H72.12591.10403.13992.58981.80461.7728

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 110.304 C1 C2 H6 109.718
C1 C2 H7 109.718 C2 C1 O3 130.204
C2 C1 F4 109.384 O3 C1 F4 120.412
H5 C2 H6 110.114 H5 C2 H7 110.114
H6 C2 H7 106.808
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.545      
2 C -0.746      
3 O -0.379      
4 F -0.224      
5 H 0.259      
6 H 0.272      
7 H 0.272      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.606 -2.261 0.000 2.773
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.273 -1.240 0.000
y -1.240 -24.478 0.000
z 0.000 0.000 -21.005
Traceless
 xyz
x 0.469 -1.240 0.000
y -1.240 -2.839 0.000
z 0.000 0.000 2.370
Polar
3z2-r24.740
x2-y22.205
xy-1.240
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.160 0.021 0.000
y 0.021 3.935 0.000
z 0.000 0.000 2.264


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000