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All results from a given calculation for CF3CHO (trifluoroacetaldehyde)

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-450.672483
Energy at 298.15K-450.674953
HF Energy-449.602081
Nuclear repulsion energy252.404708
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 MP2/6-311G**
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' 3035 2884 53.47      
2 A' 1804 1714 50.98      
3 A' 1428 1357 33.42      
4 A' 1352 1284 156.21      
5 A' 1240 1178 226.26      
6 A' 860 817 39.86      
7 A' 716 680 35.01      
8 A' 538 511 16.64      
9 A' 439 417 4.57      
10 A' 259 246 5.93      
11 A" 1222 1161 307.43      
12 A" 993 943 12.99      
13 A" 540 513 1.69      
14 A" 321 305 0.66      
15 A" 74 70 11.78      

Unscaled Zero Point Vibrational Energy (zpe) 7409.4 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 7040.4 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 MP2/6-311G**
ABC
0.18236 0.09941 0.09772

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.020 0.361 0.000
C2 0.502 -1.095 0.000
O3 -0.258 -2.030 0.000
F4 -1.302 0.453 0.000
F5 0.502 0.986 1.085
F6 0.502 0.986 -1.085
H7 1.603 -1.191 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 F4 F5 F6 H7
C11.53412.40751.32541.34221.34222.2164
C21.53411.20522.37782.34772.34771.1044
O32.40751.20522.69403.29493.29492.0414
F41.32542.37782.69402.17212.17213.3377
F51.34222.34773.29492.17212.17072.6700
F61.34222.34773.29492.17212.17072.6700
H72.21641.10442.04143.33772.67002.6700

picture of trifluoroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 122.554 C1 C2 H7 113.281
C2 C1 F4 112.310 C2 C1 F5 109.232
C2 C1 F6 109.232 O3 C2 H7 124.165
F4 C1 F5 109.021 F4 C1 F6 109.021
F5 C1 F6 107.925
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability