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All results from a given calculation for CF3CHO (trifluoroacetaldehyde)

using model chemistry: CID/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 CID/3-21G
 hartrees
Energy at 0K-447.591983
Energy at 298.15K-447.594404
HF Energy-447.021803
Nuclear repulsion energy250.059605
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 CID/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' 3166 2949 30.95      
2 A' 1836 1711 31.29      
3 A' 1509 1406 55.84      
4 A' 1377 1283 115.10      
5 A' 1303 1214 181.56      
6 A' 863 804 33.74      
7 A' 712 663 37.30      
8 A' 523 487 24.33      
9 A' 441 411 6.19      
10 A' 247 230 7.63      
11 A" 1334 1243 251.41      
12 A" 1064 992 2.72      
13 A" 531 495 5.99      
14 A" 302 282 0.34      
15 A" 65 61 14.36      

Unscaled Zero Point Vibrational Energy (zpe) 7637.0 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 7114.6 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 CID/3-21G
ABC
0.17755 0.09825 0.09649

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.022 0.355 0.000
C2 0.508 -1.084 0.000
O3 -0.245 -2.040 0.000
F4 -1.328 0.430 0.000
F5 0.508 0.999 1.099
F6 0.508 0.999 -1.099
H7 1.594 -1.151 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 F4 F5 F6 H7
C11.51902.40981.35181.36361.36362.1774
C21.51901.21712.37992.35512.35511.0882
O32.40981.21712.69693.31813.31812.0430
F41.35182.37992.69692.21432.21433.3226
F51.36362.35513.31812.21432.19852.6476
F61.36362.35513.31812.21432.19852.6476
H72.17741.08822.04303.32262.64762.6476

picture of trifluoroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 123.086 C1 C2 H7 112.204
C2 C1 F4 111.858 C2 C1 F5 109.456
C2 C1 F6 109.456 O3 C2 H7 124.710
F4 C1 F5 109.264 F4 C1 F6 109.264
F5 C1 F6 107.440
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability