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

using model chemistry: MP2=FULL/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 MP2=FULL/3-21G
 hartrees
Energy at 0K-250.837879
Energy at 298.15K-250.841416
HF Energy-250.402458
Nuclear repulsion energy116.360105
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 MP2=FULL/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' 3227 3081 2.67      
2 A' 3117 2976 0.14      
3 A' 1804 1722 119.19      
4 A' 1573 1502 18.56      
5 A' 1488 1420 31.36      
6 A' 1246 1189 161.88      
7 A' 1042 995 54.93      
8 A' 828 791 18.87      
9 A' 589 562 18.19      
10 A' 392 375 0.65      
11 A" 3185 3041 1.27      
12 A" 1581 1510 10.67      
13 A" 1135 1083 10.07      
14 A" 575 549 4.88      
15 A" 148 142 0.51      

Unscaled Zero Point Vibrational Energy (zpe) 10963.5 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 10468.0 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 MP2=FULL/3-21G
ABC
0.34811 0.31534 0.17075

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.192 0.000
C2 1.103 -0.839 0.000
O3 0.061 1.407 0.000
F4 -1.242 -0.454 0.000
H5 2.068 -0.335 0.000
H6 1.006 -1.474 0.885
H7 1.006 -1.474 -0.885

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7
C11.50951.21731.40022.13342.13772.1377
C21.50952.47652.37641.08891.09331.0933
O31.21732.47652.27232.65743.15913.1591
F41.40022.37642.27233.31202.62252.6225
H52.13341.08892.65743.31201.79131.7913
H62.13771.09333.15912.62251.79131.7695
H72.13771.09333.15912.62251.79131.7695

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 109.314 C1 C2 H6 109.388
C1 C2 H7 109.388 C2 C1 O3 130.216
C2 C1 F4 109.456 O3 C1 F4 120.328
H5 C2 H6 110.342 H5 C2 H7 110.342
H6 C2 H7 108.043
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability