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All results from a given calculation for CCl3CHO (trichloroacetaldehyde)

using model chemistry: MP2=FULL/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-1530.752946
Energy at 298.15K-1530.754556
HF Energy-1529.610399
Nuclear repulsion energy435.714052
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 MP2=FULL/6-31G(2df,p)
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' 3038 2855 23.66      
2 A' 1818 1709 91.85      
3 A' 1402 1318 8.48      
4 A' 1080 1016 31.59      
5 A' 899 845 88.21      
6 A' 653 614 52.95      
7 A' 463 435 2.29      
8 A' 326 307 3.19      
9 A' 276 260 1.49      
10 A' 206 193 2.99      
11 A" 1029 967 26.87      
12 A" 795 747 110.79      
13 A" 340 320 2.77      
14 A" 258 243 1.45      
15 A" 90 84 4.94      

Unscaled Zero Point Vibrational Energy (zpe) 6336.3 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 5955.5 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 MP2=FULL/6-31G(2df,p)
ABC
0.06271 0.05556 0.05154

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.038 0.050 0.000
C2 0.917 -1.212 0.000
O3 0.486 -2.329 0.000
Cl4 -1.654 -0.349 0.000
Cl5 0.486 0.956 1.446
Cl6 0.486 0.956 -1.446
H7 1.989 -0.954 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 Cl5 Cl6 H7
C11.53782.42061.73801.76421.76422.1938
C21.53781.19712.71162.64162.64161.1027
O32.42061.19712.91543.58923.58922.0372
Cl41.73802.71162.91542.89302.89303.6925
Cl51.76422.64163.58922.89302.89222.8281
Cl61.76422.64163.58922.89302.89222.8281
H72.19381.10272.03723.69252.82812.8281

picture of trichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 124.049 C1 C2 H7 111.301
C2 C1 Cl4 111.597 C2 C1 Cl5 106.055
C2 C1 Cl6 106.055 O3 C2 H7 124.650
Cl4 C1 Cl5 111.384 Cl4 C1 Cl6 111.384
Cl5 C1 Cl6 110.105
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability