return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3PW91/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes NULL 1A'
Energy calculated at B3PW91/cc-pVTZ
 hartrees
Energy at 0K-253.098531
Energy at 298.15K-253.102050
Nuclear repulsion energy118.977540
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 B3PW91/cc-pVTZ
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' 3178 3056 2.55      
2 A' 3062 2944 0.10      
3 A' 1924 1850 294.51      
4 A' 1460 1404 14.37      
5 A' 1392 1339 45.91      
6 A' 1209 1162 207.80      
7 A' 1005 966 33.99      
8 A' 850 817 52.93      
9 A' 605 581 17.56      
10 A' 414 399 0.09      
11 A" 3129 3009 1.08      
12 A" 1467 1410 8.22      
13 A" 1065 1024 10.15      
14 A" 574 552 4.47      
15 A" 126 121 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 10729.2 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 10317.2 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 B3PW91/cc-pVTZ
ABC
0.36919 0.32520 0.17860

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.186 0.000
C2 1.042 -0.879 0.000
O3 0.131 1.360 0.000
F4 -1.240 -0.363 0.000
H5 2.030 -0.429 0.000
H6 0.915 -1.513 0.878
H7 0.915 -1.513 -0.878

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7
C11.48981.18141.35652.12152.12002.1200
C21.48982.41702.34001.08591.09081.0908
O31.18142.41702.20252.60913.10473.1047
F41.35652.34002.20253.27152.59582.5958
H52.12151.08592.60913.27151.78631.7863
H62.12001.09083.10472.59581.78631.7569
H72.12001.09083.10472.59581.78631.7569

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 109.912 C1 C2 H6 109.500
C1 C2 H7 109.500 C2 C1 O3 129.233
C2 C1 F4 110.504 O3 C1 F4 120.263
H5 C2 H6 110.301 H5 C2 H7 110.301
H6 C2 H7 107.283
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.324      
2 C -0.270      
3 O -0.227      
4 F -0.174      
5 H 0.116      
6 H 0.116      
7 H 0.116      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.616 -2.419 0.000 2.909
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.604 -1.448 0.000
y -1.448 -24.667 0.000
z 0.000 0.000 -21.158
Traceless
 xyz
x 0.308 -1.448 0.000
y -1.448 -2.786 0.000
z 0.000 0.000 2.477
Polar
3z2-r24.955
x2-y22.062
xy-1.448
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> 67.675
(<r2>)1/2 8.226