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All results from a given calculation for CCl3CHO (trichloroacetaldehyde)

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CBS-Q
 hartrees
Energy at 0K-1531.045839
Energy at 298.15K-1531.038386
HF Energy-1529.585210
Nuclear repulsion energy434.181891
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 CBS-Q
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' 3221 3221 28.13      
2 A' 2060 2060 219.19      
3 A' 1518 1518 20.35      
4 A' 1155 1155 28.12      
5 A' 965 965 109.08      
6 A' 689 689 77.60      
7 A' 483 483 2.33      
8 A' 346 346 4.40      
9 A' 297 297 2.09      
10 A' 222 222 3.42      
11 A" 1140 1140 28.96      
12 A" 843 843 143.71      
13 A" 355 355 2.85      
14 A" 271 271 2.37      
15 A" 90 90 9.47      

Unscaled Zero Point Vibrational Energy (zpe) 6828.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6828.0 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 CBS-Q
ABC
0.06173 0.05468 0.05073

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.047 0.037 0.000
C2 0.920 -1.236 0.000
O3 0.488 -2.324 0.000
Cl4 -1.665 -0.341 0.000
Cl5 0.488 0.959 1.453
Cl6 0.488 0.959 -1.453
H7 1.988 -1.006 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 Cl5 Cl6 H7
C11.54372.40201.75341.77631.77632.2039
C21.54371.17052.73562.66722.66721.0925
O32.40201.17052.92733.58993.58991.9963
Cl41.75342.73562.92732.90502.90503.7133
Cl51.77632.66723.58992.90502.90592.8673
Cl61.77632.66723.58992.90502.90592.8673
H72.20391.09251.99633.71332.86732.8673

picture of trichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 123.920 C1 C2 H7 112.310
C2 C1 Cl4 111.980 C2 C1 Cl5 106.694
C2 C1 Cl6 106.694 O3 C2 H7 123.771
Cl4 C1 Cl5 110.775 Cl4 C1 Cl6 110.775
Cl5 C1 Cl6 109.760
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability