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-1529.897177
Energy at 298.15K-1529.898493
HF Energy-1529.427323
Nuclear repulsion energy416.510571
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' 3072 2947 18.18      
2 A' 1722 1652 54.17      
3 A' 1437 1379 7.93      
4 A' 1064 1021 16.70      
5 A' 835 801 64.38      
6 A' 597 572 61.96      
7 A' 414 397 2.36      
8 A' 303 291 3.70      
9 A' 262 252 2.90      
10 A' 201 193 2.15      
11 A" 1021 980 31.80      
12 A" 688 660 89.59      
13 A" 318 305 1.52      
14 A" 230 220 1.84      
15 A" 74 71 9.41      

Unscaled Zero Point Vibrational Energy (zpe) 6118.4 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 5870.6 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
0.05727 0.05111 0.04680

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 0.068 0.012 0.000
C2 0.950 -1.245 0.000
O3 0.508 -2.397 0.000
Cl4 -1.732 -0.391 0.000
Cl5 0.508 1.007 1.524
Cl6 0.508 1.007 -1.524
H7 2.028 -1.018 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 Cl5 Cl6 H7
C11.53532.44881.84451.87231.87232.2142
C21.53531.23452.81522.75462.75461.1013
O32.44881.23453.00743.72973.72972.0524
Cl41.84452.81523.00743.04843.04843.8122
Cl51.87232.75463.72973.04843.04732.9554
Cl61.87232.75463.72973.04843.04732.9554
H72.21421.10132.05243.81222.95542.9554

picture of trichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 123.924 C1 C2 H7 113.208
C2 C1 Cl4 112.480 C2 C1 Cl5 107.459
C2 C1 Cl6 107.459 O3 C2 H7 122.869
Cl4 C1 Cl5 110.196 Cl4 C1 Cl6 110.196
Cl5 C1 Cl6 108.932
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability