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

using model chemistry: HSEh1PBE/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 HSEh1PBE/3-21G
 hartrees
Energy at 0K-251.461251
Energy at 298.15K-251.464794
HF Energy-251.461251
Nuclear repulsion energy117.599842
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 HSEh1PBE/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' 3220 3102 1.39      
2 A' 3096 2982 0.13      
3 A' 1899 1829 190.47      
4 A' 1525 1469 19.64      
5 A' 1452 1399 54.29      
6 A' 1255 1209 189.49      
7 A' 1036 998 29.78      
8 A' 858 827 14.82      
9 A' 594 573 18.90      
10 A' 392 378 0.21      
11 A" 3159 3044 0.25      
12 A" 1536 1480 14.84      
13 A" 1112 1071 16.43      
14 A" 582 561 3.00      
15 A" 145 140 0.81      

Unscaled Zero Point Vibrational Energy (zpe) 10930.8 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 10529.7 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 HSEh1PBE/3-21G
ABC
0.35672 0.32177 0.17467

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.189 0.000
C2 1.083 -0.838 0.000
O3 0.072 1.390 0.000
F4 -1.232 -0.435 0.000
H5 2.057 -0.351 0.000
H6 0.979 -1.479 0.882
H7 0.979 -1.479 -0.882

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7
C11.49281.20261.38132.12652.12572.1257
C21.49282.44652.35031.08871.09491.0949
O31.20262.44652.24292.63983.13503.1350
F41.38132.35032.24293.29012.59972.5997
H52.12651.08872.63983.29011.79181.7918
H62.12571.09493.13502.59971.79181.7637
H72.12571.09493.13502.59971.79181.7637

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 109.933 C1 C2 H6 109.501
C1 C2 H7 109.501 C2 C1 O3 130.046
C2 C1 F4 109.652 O3 C1 F4 120.301
H5 C2 H6 110.281 H5 C2 H7 110.281
H6 C2 H7 107.301
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.661      
2 C -0.745      
3 O -0.440      
4 F -0.282      
5 H 0.262      
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
  1.750 -2.303 0.000 2.893
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.561 -1.389 0.000
y -1.389 -24.791 0.000
z 0.000 0.000 -20.957
Traceless
 xyz
x 0.313 -1.389 0.000
y -1.389 -3.032 0.000
z 0.000 0.000 2.719
Polar
3z2-r25.438
x2-y22.230
xy-1.389
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.033 0.049 0.000
y 0.049 3.844 0.000
z 0.000 0.000 2.212


<r2> (average value of r2) Å2
<r2> 68.751
(<r2>)1/2 8.292