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/6-31G*

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/6-31G*
 hartrees
Energy at 0K-1530.444634
Energy at 298.15K-1530.446238
HF Energy-1529.579796
Nuclear repulsion energy432.539727
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/6-31G*
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' 3064 2900 25.81      
2 A' 1889 1788 99.56      
3 A' 1435 1358 10.18      
4 A' 1100 1041 24.48      
5 A' 917 868 82.32      
6 A' 654 619 59.02      
7 A' 464 439 1.95      
8 A' 332 315 3.79      
9 A' 286 270 1.85      
10 A' 213 202 3.00      
11 A" 1044 988 34.46      
12 A" 804 761 101.20      
13 A" 338 320 1.97      
14 A" 259 245 1.97      
15 A" 77 73 7.11      

Unscaled Zero Point Vibrational Energy (zpe) 6438.2 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 6093.8 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/6-31G*
ABC
0.06185 0.05478 0.05075

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.046 0.045 0.000
C2 0.925 -1.223 0.000
O3 0.487 -2.342 0.000
Cl4 -1.664 -0.354 0.000
Cl5 0.487 0.965 1.457
Cl6 0.487 0.965 -1.457
H7 2.004 -0.988 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 Cl5 Cl6 H7
C11.54352.42801.75561.77891.77892.2146
C21.54351.20182.73132.66552.66551.1044
O32.42801.20182.92943.61433.61432.0336
Cl41.75562.73132.92942.91382.91383.7228
Cl51.77892.66553.61432.91382.91432.8708
Cl61.77892.66553.61432.91382.91432.8708
H72.21461.10442.03363.72282.87082.8708

picture of trichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 123.882 C1 C2 H7 112.451
C2 C1 Cl4 111.602 C2 C1 Cl5 106.477
C2 C1 Cl6 106.477 O3 C2 H7 123.667
Cl4 C1 Cl5 111.050 Cl4 C1 Cl6 111.050
Cl5 C1 Cl6 109.990
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability