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: CISD/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CISD/6-311G*
 hartrees
Energy at 0K-1530.438906
Energy at 298.15K-1530.440663
HF Energy-1529.691923
Nuclear repulsion energy435.021766
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 CISD/6-311G*
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' 3143 2908 29.94      
2 A' 1973 1826 173.41      
3 A' 1481 1370 15.59      
4 A' 1128 1043 32.10      
5 A' 944 873 95.10      
6 A' 676 625 67.44      
7 A' 477 442 2.49      
8 A' 342 316 3.38      
9 A' 295 273 1.27      
10 A' 219 203 3.35      
11 A" 1098 1016 31.97      
12 A" 829 767 125.72      
13 A" 352 326 3.27      
14 A" 271 251 1.59      
15 A" 88 81 7.97      

Unscaled Zero Point Vibrational Energy (zpe) 6657.2 cm-1
Scaled (by 0.9253) Zero Point Vibrational Energy (zpe) 6159.9 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 CISD/6-311G*
ABC
0.06226 0.05542 0.05144

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.042 0.044 0.000
C2 0.916 -1.223 0.000
O3 0.488 -2.323 0.000
Cl4 -1.661 -0.344 0.000
Cl5 0.488 0.955 1.451
Cl6 0.488 0.955 -1.451
H7 1.986 -0.987 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 Cl5 Cl6 H7
C11.53942.40861.74661.77031.77032.2004
C21.53941.17962.72272.65192.65191.0959
O32.40861.17962.92173.58463.58462.0067
Cl41.74662.72272.92172.90042.90043.7031
Cl51.77032.65193.58462.90042.90112.8492
Cl61.77032.65193.58462.90042.90112.8492
H72.20041.09592.00673.70312.84922.8492

picture of trichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 124.175 C1 C2 H7 112.127
C2 C1 Cl4 111.752 C2 C1 Cl5 106.292
C2 C1 Cl6 106.292 O3 C2 H7 123.697
Cl4 C1 Cl5 111.119 Cl4 C1 Cl6 111.119
Cl5 C1 Cl6 110.051
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability