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All results from a given calculation for CF3CHO (trifluoroacetaldehyde)

using model chemistry: MP2/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-450.691637
Energy at 298.15K-450.694080
HF Energy-449.511124
Nuclear repulsion energy253.459045
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(2df,p)
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' 3042 2873 42.93      
2 A' 1813 1713 47.27      
3 A' 1427 1348 38.31      
4 A' 1368 1292 127.98      
5 A' 1257 1187 176.25      
6 A' 870 822 31.63      
7 A' 718 679 33.28      
8 A' 536 507 14.86      
9 A' 439 414 3.58      
10 A' 252 238 5.90      
11 A" 1245 1176 255.71      
12 A" 994 939 6.97      
13 A" 539 509 1.50      
14 A" 308 291 0.78      
15 A" 74 70 11.23      

Unscaled Zero Point Vibrational Energy (zpe) 7441.0 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 7028.0 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 MP2/6-31G(2df,p)
ABC
0.18435 0.10016 0.09842

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.021 0.363 0.000
C2 0.501 -1.090 0.000
O3 -0.261 -2.024 0.000
F4 -1.295 0.447 0.000
F5 0.501 0.984 1.079
F6 0.501 0.984 -1.079
H7 1.600 -1.188 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 F4 F5 F6 H7
C11.53092.40351.31801.33431.33432.2134
C21.53091.20482.36392.33842.33841.1032
O32.40351.20482.67823.28523.28522.0400
F41.31802.36392.67822.16262.16263.3243
F51.33432.33843.28522.16262.15792.6626
F61.33432.33843.28522.16262.15792.6626
H72.21341.10322.04003.32432.66262.6626

picture of trifluoroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 122.489 C1 C2 H7 113.347
C2 C1 F4 111.928 C2 C1 F5 109.210
C2 C1 F6 109.210 O3 C2 H7 124.164
F4 C1 F5 109.241 F4 C1 F6 109.241
F5 C1 F6 107.924
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability