return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CCl3CHO (trichloroacetaldehyde)

using model chemistry: CCD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-1530.468713
Energy at 298.15K-1530.470327
HF Energy-1529.586689
Nuclear repulsion energy432.393287
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 CCD/6-31+G**
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' 3101 2922 22.12      
2 A' 1873 1765 119.20      
3 A' 1441 1358 9.71      
4 A' 1099 1035 22.85      
5 A' 913 860 76.98      
6 A' 650 612 55.47      
7 A' 463 436 1.83      
8 A' 331 312 3.32      
9 A' 286 269 1.75      
10 A' 211 199 3.08      
11 A" 1055 994 31.51      
12 A" 801 755 97.17      
13 A" 338 318 2.09      
14 A" 255 240 1.97      
15 A" 78 74 7.62      

Unscaled Zero Point Vibrational Energy (zpe) 6447.2 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 6075.2 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 CCD/6-31+G**
ABC
0.06171 0.05473 0.05077

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.044 0.045 0.000
C2 0.923 -1.223 0.000
O3 0.489 -2.345 0.000
Cl4 -1.667 -0.350 0.000
Cl5 0.489 0.963 1.458
Cl6 0.489 0.963 -1.458
H7 1.997 -0.988 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 Cl5 Cl6 H7
C11.54262.43051.75611.77961.77962.2087
C21.54261.20322.73362.66332.66331.0984
O32.43051.20322.93743.61513.61512.0281
Cl41.75612.73362.93742.91522.91523.7188
Cl51.77962.66333.61512.91522.91562.8647
Cl61.77962.66333.61512.91522.91562.8647
H72.20871.09842.02813.71882.86472.8647

picture of trichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 124.080 C1 C2 H7 112.420
C2 C1 Cl4 111.770 C2 C1 Cl5 106.360
C2 C1 Cl6 106.360 O3 C2 H7 123.500
Cl4 C1 Cl5 111.073 Cl4 C1 Cl6 111.073
Cl5 C1 Cl6 109.999
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability