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All results from a given calculation for CCl3CHO (trichloroacetaldehyde)

using model chemistry: CID/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CID/3-21G*
 hartrees
Energy at 0K-1523.099588
Energy at 298.15K-1523.101241
HF Energy-1522.484979
Nuclear repulsion energy430.775756
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 CID/3-21G*
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' 3152 2933 21.09      
2 A' 1838 1710 80.72      
3 A' 1486 1382 8.95      
4 A' 1040 967 33.51      
5 A' 896 834 68.84      
6 A' 658 612 65.42      
7 A' 457 425 2.29      
8 A' 335 312 3.37      
9 A' 284 264 2.48      
10 A' 220 204 3.03      
11 A" 1099 1022 30.47      
12 A" 770 716 104.60      
13 A" 348 323 2.55      
14 A" 258 240 1.88      
15 A" 96 90 7.93      

Unscaled Zero Point Vibrational Energy (zpe) 6467.3 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 6017.8 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 CID/3-21G*
ABC
0.06177 0.05423 0.05007

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.051 0.043 0.000
C2 0.929 -1.230 0.000
O3 0.486 -2.356 0.000
Cl4 -1.663 -0.370 0.000
Cl5 0.486 0.978 1.461
Cl6 0.486 0.978 -1.461
H7 1.990 -0.979 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 Cl5 Cl6 H7
C11.54552.43781.76301.78861.78862.1915
C21.54551.21042.73032.68392.68391.0902
O32.43781.21042.92593.64003.64002.0389
Cl41.76302.73032.92592.92752.92753.7031
Cl51.78862.68393.64002.92752.92272.8682
Cl61.78862.68393.64002.92752.92272.8682
H72.19151.09022.03893.70312.86822.8682

picture of trichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 123.944 C1 C2 H7 111.328
C2 C1 Cl4 111.057 C2 C1 Cl5 106.995
C2 C1 Cl6 106.995 O3 C2 H7 124.728
Cl4 C1 Cl5 111.028 Cl4 C1 Cl6 111.028
Cl5 C1 Cl6 109.574
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability