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

using model chemistry: mPW1PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes NULL 1A'
Energy calculated at mPW1PW91/6-311G*
 hartrees
Energy at 0K-253.097336
Energy at 298.15K-253.100878
Nuclear repulsion energy119.084278
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 mPW1PW91/6-311G*
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' 3205 3058 4.91      
2 A' 3086 2946 0.52      
3 A' 1960 1870 307.83      
4 A' 1489 1421 16.26      
5 A' 1419 1354 56.48      
6 A' 1228 1172 215.39      
7 A' 1019 973 35.01      
8 A' 860 821 54.43      
9 A' 611 583 19.48      
10 A' 415 396 0.07      
11 A" 3155 3011 3.01      
12 A" 1493 1425 11.11      
13 A" 1081 1031 12.09      
14 A" 578 551 5.42      
15 A" 136 130 0.27      

Unscaled Zero Point Vibrational Energy (zpe) 10866.8 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 10371.2 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 mPW1PW91/6-311G*
ABC
0.36996 0.32564 0.17890

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.187 0.000
C2 1.037 -0.882 0.000
O3 0.135 1.359 0.000
F4 -1.240 -0.359 0.000
H5 2.029 -0.439 0.000
H6 0.910 -1.517 0.878
H7 0.910 -1.517 -0.878

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7
C11.48991.17901.35482.12412.12272.1227
C21.48992.41532.33651.08631.09111.0911
O31.17902.41532.20012.61163.10533.1053
F41.35482.33652.20013.27032.59542.5954
H52.12411.08632.61163.27031.78461.7846
H62.12271.09113.10532.59541.78461.7555
H72.12271.09113.10532.59541.78461.7555

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 110.091 C1 C2 H6 109.694
C1 C2 H7 109.694 C2 C1 O3 129.274
C2 C1 F4 110.354 O3 C1 F4 120.372
H5 C2 H6 110.097 H5 C2 H7 110.097
H6 C2 H7 107.120
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.452      
2 C -0.746      
3 O -0.282      
4 F -0.214      
5 H 0.262      
6 H 0.264      
7 H 0.264      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.614 -2.385 0.000 2.880
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.730 -1.409 0.000
y -1.409 -24.691 0.000
z 0.000 0.000 -21.073
Traceless
 xyz
x 0.152 -1.409 0.000
y -1.409 -2.789 0.000
z 0.000 0.000 2.638
Polar
3z2-r25.275
x2-y21.961
xy-1.409
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 67.617
(<r2>)1/2 8.223