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All results from a given calculation for CCl3CHO (trichloroacetaldehyde)

using model chemistry: MP2=FULL/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 MP2=FULL/3-21G
 hartrees
Energy at 0K-1522.636860
Energy at 298.15K-1522.638151
HF Energy-1522.157301
Nuclear repulsion energy415.631826
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/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' 3059 2921 26.54      
2 A' 1620 1547 42.49      
3 A' 1447 1381 5.34      
4 A' 995 950 34.93      
5 A' 827 789 71.56      
6 A' 600 573 64.92      
7 A' 398 380 4.11      
8 A' 293 280 3.37      
9 A' 249 238 2.83      
10 A' 198 189 1.73      
11 A" 1052 1005 31.47      
12 A" 694 663 109.37      
13 A" 320 305 1.98      
14 A" 222 212 1.28      
15 A" 89 85 6.26      

Unscaled Zero Point Vibrational Energy (zpe) 6031.0 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 5758.4 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/3-21G
ABC
0.05742 0.05086 0.04629

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.066 0.019 0.000
C2 0.948 -1.242 0.000
O3 0.507 -2.399 0.000
Cl4 -1.729 -0.416 0.000
Cl5 0.507 1.017 1.527
Cl6 0.507 1.017 -1.527
H7 2.014 -0.979 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 Cl5 Cl6 H7
C11.53882.45781.84731.87721.87722.1882
C21.53881.23802.80212.76262.76261.0977
O32.45781.23802.98953.74223.74222.0703
Cl41.84732.80212.98953.06403.06403.7852
Cl51.87722.76263.74223.06403.05452.9302
Cl61.87722.76263.74223.06403.05452.9302
H72.18821.09772.07033.78522.93022.9302

picture of trichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 124.179 C1 C2 H7 111.083
C2 C1 Cl4 111.367 C2 C1 Cl5 107.531
C2 C1 Cl6 107.531 O3 C2 H7 124.737
Cl4 C1 Cl5 110.697 Cl4 C1 Cl6 110.697
Cl5 C1 Cl6 108.893
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability