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

using model chemistry: CCSD/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 CCSD/6-31G*
 hartrees
Energy at 0K-252.417222
Energy at 298.15K-252.420779
HF Energy-251.795782
Nuclear repulsion energy118.253492
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 CCSD/6-31G*
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' 3215 3036 3.53      
2 A' 3099 2927 0.69      
3 A' 1962 1853 237.52      
4 A' 1524 1439 11.96      
5 A' 1461 1379 44.26      
6 A' 1278 1207 201.95      
7 A' 1050 991 27.81      
8 A' 875 827 37.52      
9 A' 607 573 22.69      
10 A' 416 393 0.08      
11 A" 3174 2997 2.48      
12 A" 1524 1439 9.12      
13 A" 1105 1043 8.84      
14 A" 575 543 7.72      
15 A" 144 136 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 11004.1 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 10391.1 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 CCSD/6-31G*
ABC
0.36375 0.32210 0.17647

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.186 0.000
C2 1.035 -0.898 0.000
O3 0.152 1.369 0.000
F4 -1.251 -0.352 0.000
H5 2.031 -0.453 0.000
H6 0.900 -1.530 0.884
H7 0.900 -1.530 -0.884

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7
C11.49851.19261.36152.12932.12962.1296
C21.49852.43252.34971.09111.09521.0952
O31.19262.43252.22022.61733.12133.1213
F41.36152.34972.22023.28332.60642.6064
H52.12931.09112.61733.28331.79461.7946
H62.12961.09523.12132.60641.79461.7689
H72.12961.09523.12132.60641.79461.7689

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 109.620 C1 C2 H6 109.398
C1 C2 H7 109.398 C2 C1 O3 128.999
C2 C1 F4 110.393 O3 C1 F4 120.608
H5 C2 H6 110.339 H5 C2 H7 110.339
H6 C2 H7 107.715
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability