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 CF3COF (trifluoroacetyl fluoride)

using model chemistry: MP4=FULL/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4=FULL/3-21G
 hartrees
Energy at 0K-546.178092
Energy at 298.15K-546.179730
HF Energy-545.349062
Nuclear repulsion energy327.848089
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 MP4=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' 1760 1722        
2 A' 1295 1267        
3 A' 1262 1235        
4 A' 1099 1076        
5 A' 748 732        
6 A' 646 632        
7 A' 562 550        
8 A' 404 396        
9 A' 364 356        
10 A' 205 200        
11 A" 1257 1231        
12 A" 721 706        
13 A" 486 476        
14 A" 222 217        
15 A" 35 34        

Unscaled Zero Point Vibrational Energy (zpe) 5532.5 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 5415.2 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 MP4=FULL/3-21G
ABC
0.11958 0.08058 0.06593

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.081 0.583 0.000
C2 -0.324 -0.901 0.000
O3 -1.446 -1.375 0.000
F4 -1.051 1.355 0.000
F5 0.833 0.872 1.115
F6 0.833 0.872 -1.115
F7 0.833 -1.665 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 F4 F5 F6 F7
C11.53852.48281.36991.37531.37532.3705
C21.53851.21752.37002.39252.39251.3862
O32.48281.21752.75803.38843.38842.2966
F41.36992.37002.75802.24162.24163.5590
F51.37532.39253.38842.24162.22982.7709
F61.37532.39253.38842.24162.22982.7709
F72.37051.38622.29663.55902.77092.7709

picture of trifluoroacetyl fluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 128.174 C1 C2 F7 108.177
C2 C1 F4 109.013 C2 C1 F5 110.263
C2 C1 F6 110.263 O3 C2 F7 123.650
F4 C1 F5 109.481 F4 C1 F6 109.481
F5 C1 F6 108.325
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability