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

using model chemistry: HF/CEP-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 HF/CEP-31G
 hartrees
Energy at 0K-52.188314
Energy at 298.15K-52.191922
Nuclear repulsion energy65.030761
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 HF/CEP-31G
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' 3384 3050 16.78      
2 A' 3257 2936 4.65      
3 A' 1965 1771 334.79      
4 A' 1611 1452 23.40      
5 A' 1569 1414 27.77      
6 A' 1311 1181 221.88      
7 A' 1112 1003 56.44      
8 A' 867 782 71.57      
9 A' 612 552 39.98      
10 A' 421 380 0.44      
11 A" 3343 3014 15.89      
12 A" 1612 1453 16.36      
13 A" 1198 1080 14.14      
14 A" 594 535 19.23      
15 A" 141 127 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 11498.4 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 10364.6 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 HF/CEP-31G
ABC
0.35996 0.31265 0.17267

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.211 0.000
C2 1.080 -0.847 0.000
O3 0.089 1.408 0.000
F4 -1.263 -0.370 0.000
H5 2.052 -0.369 0.000
H6 0.968 -1.474 0.880
H7 0.968 -1.474 -0.880

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7
C11.51141.19951.38982.13232.13362.1336
C21.51142.46212.39021.08311.08691.0869
O31.19952.46212.23262.64763.13873.1387
F41.38982.39022.23263.31442.63982.6398
H52.13231.08312.64763.31441.78091.7809
H62.13361.08693.13872.63981.78091.7604
H72.13361.08693.13872.63981.78091.7604

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 109.437 C1 C2 H6 109.306
C1 C2 H7 109.306 C2 C1 O3 130.168
C2 C1 F4 110.877 O3 C1 F4 118.954
H5 C2 H6 110.304 H5 C2 H7 110.304
H6 C2 H7 108.157
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.212      
2 C -0.235      
3 O -0.157      
4 F -0.284      
5 H 0.158      
6 H 0.153      
7 H 0.153      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.593 -2.935 0.000 3.917
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.102 -2.088 0.000
y -2.088 -26.828 0.000
z 0.000 0.000 -21.316
Traceless
 xyz
x -0.029 -2.088 0.000
y -2.088 -4.119 0.000
z 0.000 0.000 4.149
Polar
3z2-r28.297
x2-y22.726
xy-2.088
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.043 0.091 0.000
y 0.091 4.082 0.000
z 0.000 0.000 2.368


<r2> (average value of r2) Å2
<r2> 58.912
(<r2>)1/2 7.675