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All results from a given calculation for CF3CHO (trifluoroacetaldehyde)

using model chemistry: QCISD/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/cc-pVTZ
 hartrees
Energy at 0K-450.951625
Energy at 298.15K-450.954121
HF Energy-449.658180
Nuclear repulsion energy253.371795
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 QCISD/cc-pVTZ
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' 3026 2891 42.32      
2 A' 1862 1779 69.29      
3 A' 1434 1370 46.62      
4 A' 1369 1308 145.55      
5 A' 1259 1203 197.73      
6 A' 870 831 34.16      
7 A' 725 692 37.01      
8 A' 542 518 16.36      
9 A' 442 423 3.90      
10 A' 258 247 6.01      
11 A" 1247 1192 289.38      
12 A" 1000 956 8.68      
13 A" 545 521 1.72      
14 A" 321 306 0.92      
15 A" 73 70 13.36      

Unscaled Zero Point Vibrational Energy (zpe) 7486.2 cm-1
Scaled (by 0.9555) Zero Point Vibrational Energy (zpe) 7153.0 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 QCISD/cc-pVTZ
ABC
0.18413 0.09996 0.09819

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.019 0.361 0.000
C2 0.500 -1.096 0.000
O3 -0.254 -2.027 0.000
F4 -1.297 0.458 0.000
F5 0.500 0.983 1.079
F6 0.500 0.983 -1.079
H7 1.595 -1.194 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 F4 F5 F6 H7
C11.53502.40361.31871.33531.33532.2147
C21.53501.19752.37502.34282.34281.0999
O32.40361.19752.69403.28523.28522.0282
F41.31872.37502.69402.16052.16053.3301
F51.33532.34283.28522.16052.15862.6655
F61.33532.34283.28522.16052.15862.6655
H72.21471.09992.02823.33012.66552.6655

picture of trifluoroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 122.715 C1 C2 H7 113.363
C2 C1 F4 112.446 C2 C1 F5 109.223
C2 C1 F6 109.223 O3 C2 H7 123.922
F4 C1 F5 108.993 F4 C1 F6 108.993
F5 C1 F6 107.855
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability