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All results from a given calculation for CF3CHO (trifluoroacetaldehyde)

using model chemistry: MP2/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-99.311529
Energy at 298.15K-99.313611
HF Energy-98.658114
Nuclear repulsion energy133.035156
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/CEP-121G
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' 3057 2983 25.54      
2 A' 1568 1530 25.77      
3 A' 1387 1354 19.78      
4 A' 1232 1202 85.53      
5 A' 1082 1056 217.27      
6 A' 764 746 68.32      
7 A' 625 610 22.05      
8 A' 467 456 23.27      
9 A' 388 378 7.79      
10 A' 239 234 5.97      
11 A" 1065 1040 252.04      
12 A" 912 890 38.66      
13 A" 461 450 2.01      
14 A" 291 284 1.28      
15 A" 53 52 17.80      

Unscaled Zero Point Vibrational Energy (zpe) 6795.5 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 6632.4 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/CEP-121G
ABC
0.16446 0.09134 0.08994

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.026 0.348 0.000
C2 0.529 -1.132 0.000
O3 -0.268 -2.109 0.000
F4 -1.372 0.474 0.000
F5 0.529 1.030 1.145
F6 0.529 1.030 -1.145
H7 1.628 -1.228 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 F4 F5 F6 H7
C11.56322.47431.40391.42431.42432.2469
C21.56321.26082.48852.44632.44631.1024
O32.47431.26082.80833.43463.43462.0901
F41.40392.48852.80832.28802.28803.4485
F51.42432.44633.43462.28802.29002.7596
F61.42432.44633.43462.28802.29002.7596
H72.24691.10242.09013.44852.75962.7596

picture of trifluoroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 122.002 C1 C2 H7 113.773
C2 C1 F4 113.898 C2 C1 F5 109.850
C2 C1 F6 109.850 O3 C2 H7 124.225
F4 C1 F5 107.994 F4 C1 F6 107.994
F5 C1 F6 107.004
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability