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All results from a given calculation for CF3CHO (trifluoroacetaldehyde)

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-449.983275
Energy at 298.15K-449.985492
HF Energy-449.300764
Nuclear repulsion energy244.383584
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 MP2/6-31G
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' 3114 2979 26.77      
2 A' 1621 1551 15.17      
3 A' 1426 1364 22.14      
4 A' 1285 1229 92.23      
5 A' 1185 1133 190.58      
6 A' 813 778 54.32      
7 A' 658 629 25.93      
8 A' 492 470 22.84      
9 A' 411 393 7.28      
10 A' 256 245 6.37      
11 A" 1170 1119 241.77      
12 A" 973 931 14.73      
13 A" 487 466 3.36      
14 A" 301 288 1.03      
15 A" 50 48 15.33      

Unscaled Zero Point Vibrational Energy (zpe) 7119.3 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 6811.8 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 MP2/6-31G
ABC
0.16838 0.09430 0.09291

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.027 0.349 0.000
C2 0.522 -1.099 0.000
O3 -0.261 -2.074 0.000
F4 -1.358 0.443 0.000
F5 0.522 1.017 1.132
F6 0.522 1.017 -1.132
H7 1.615 -1.199 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 F4 F5 F6 H7
C11.52992.43981.38851.40491.40492.2173
C21.52991.25092.43212.39942.39941.0971
O32.43981.25092.74613.38343.38342.0702
F41.38852.43212.74612.26892.26893.3966
F51.40492.39943.38342.26892.26462.7173
F61.40492.39943.38342.26892.26462.7173
H72.21731.09712.07023.39662.71732.7173

picture of trifluoroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 122.329 C1 C2 H7 114.121
C2 C1 F4 112.803 C2 C1 F5 109.610
C2 C1 F6 109.610 O3 C2 H7 123.550
F4 C1 F5 108.628 F4 C1 F6 108.628
F5 C1 F6 107.411
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability