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All results from a given calculation for CCl3CHO (trichloroacetaldehyde)

using model chemistry: MP2/TZVP

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/TZVP
 hartrees
Energy at 0K-1530.602249
Energy at 298.15K-1530.603814
HF Energy-1529.703351
Nuclear repulsion energy431.711542
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/TZVP
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' 3046 2887 29.39      
2 A' 1784 1691 102.11      
3 A' 1431 1357 7.81      
4 A' 1068 1013 30.27      
5 A' 885 838 84.17      
6 A' 642 609 60.04      
7 A' 452 429 2.91      
8 A' 325 308 3.62      
9 A' 280 266 1.08      
10 A' 205 195 2.78      
11 A" 1017 964 33.15      
12 A" 771 731 115.39      
13 A" 332 315 2.41      
14 A" 255 242 1.38      
15 A" 80 76 6.58      

Unscaled Zero Point Vibrational Energy (zpe) 6286.7 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 5959.2 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/TZVP
ABC
0.06124 0.05476 0.05063

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.039 0.047 0.000
C2 0.921 -1.215 0.000
O3 0.493 -2.339 0.000
Cl4 -1.674 -0.350 0.000
Cl5 0.493 0.960 1.466
Cl6 0.493 0.960 -1.466
H7 1.994 -0.969 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 Cl5 Cl6 H7
C11.53962.42841.75811.78531.78532.2025
C21.53961.20242.73482.65742.65741.1006
O32.42841.20242.94063.60963.60962.0321
Cl41.75812.73482.94062.92532.92533.7189
Cl51.78532.65743.60962.92532.93112.8494
Cl61.78532.65743.60962.92532.93112.8494
H72.20251.10062.03213.71892.84942.8494

picture of trichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 124.200 C1 C2 H7 112.000
C2 C1 Cl4 111.887 C2 C1 Cl5 105.882
C2 C1 Cl6 105.882 O3 C2 H7 123.800
Cl4 C1 Cl5 111.290 Cl4 C1 Cl6 111.290
Cl5 C1 Cl6 110.351
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability