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

using model chemistry: PBEPBEultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes NULL 1A'
Energy calculated at PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-252.819563
Energy at 298.15K-252.822992
HF Energy-252.819563
Nuclear repulsion energy117.475668
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 PBEPBEultrafine/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3129 3077 3.67      
2 A' 3010 2960 0.34      
3 A' 1877 1846 235.70      
4 A' 1450 1426 13.85      
5 A' 1372 1350 43.33      
6 A' 1192 1172 188.17      
7 A' 983 967 29.64      
8 A' 829 815 38.95      
9 A' 577 568 15.01      
10 A' 398 391 0.17      
11 A" 3078 3027 1.54      
12 A" 1454 1430 9.89      
13 A" 1040 1023 9.51      
14 A" 547 538 2.80      
15 A" 130 127 0.43      

Unscaled Zero Point Vibrational Energy (zpe) 10532.4 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 10358.6 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 PBEPBEultrafine/6-31G*
ABC
0.35733 0.31960 0.17423

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.189 0.000
C2 1.050 -0.886 0.000
O3 0.137 1.381 0.000
F4 -1.254 -0.374 0.000
H5 2.051 -0.436 0.000
H6 0.924 -1.530 0.887
H7 0.924 -1.530 -0.887

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7
C11.50261.20041.37502.14392.14362.1436
C21.50262.44482.36041.09791.10281.1028
O31.20042.44482.24002.63953.14383.1438
F41.37502.36042.24003.30592.62092.6209
H52.14391.09792.63953.30591.80351.8035
H62.14361.10283.14382.62091.80351.7734
H72.14361.10283.14382.62091.80351.7734

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 110.081 C1 C2 H6 109.771
C1 C2 H7 109.771 C2 C1 O3 129.156
C2 C1 F4 110.136 O3 C1 F4 120.707
H5 C2 H6 110.069 H5 C2 H7 110.069
H6 C2 H7 107.031
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.544      
2 C -0.584      
3 O -0.354      
4 F -0.228      
5 H 0.204      
6 H 0.209      
7 H 0.209      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.382 -2.317 0.000 2.698
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.177 -1.262 0.001
y -1.262 -24.237 -0.004
z 0.001 -0.004 -20.981
Traceless
 xyz
x 0.432 -1.262 0.001
y -1.262 -2.658 -0.004
z 0.001 -0.004 2.226
Polar
3z2-r24.451
x2-y22.060
xy-1.262
xz0.001
yz-0.004


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.620 0.006 0.001
y 0.006 4.385 -0.000
z 0.001 -0.000 2.697


<r2> (average value of r2) Å2
<r2> 68.770
(<r2>)1/2 8.293