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All results from a given calculation for CCl3CHO (trichloroacetaldehyde)

using model chemistry: MP2/6-31G(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 MP2/6-31G(2df,p)
 hartrees
Energy at 0K-1530.665259
Energy at 298.15K-1530.666812
HF Energy-1529.610191
Nuclear repulsion energy433.988985
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 MP2/6-31G(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 2869 22.85      
2 A' 1808 1708 90.34      
3 A' 1395 1318 8.98      
4 A' 1068 1009 32.94      
5 A' 889 840 88.22      
6 A' 647 611 54.48      
7 A' 457 432 2.42      
8 A' 322 304 3.29      
9 A' 273 258 1.44      
10 A' 203 192 2.97      
11 A" 1018 962 27.97      
12 A" 784 741 111.79      
13 A" 330 312 2.58      
14 A" 252 238 1.56      
15 A" 86 81 5.07      

Unscaled Zero Point Vibrational Energy (zpe) 6285.5 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 5936.7 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 MP2/6-31G(2df,p)
ABC
0.06229 0.05512 0.05110

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.041 0.048 0.000
C2 0.924 -1.220 0.000
O3 0.486 -2.337 0.000
Cl4 -1.658 -0.353 0.000
Cl5 0.486 0.962 1.452
Cl6 0.486 0.962 -1.452
H7 1.998 -0.966 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 Cl5 Cl6 H7
C11.54482.42571.74571.77201.77202.2044
C21.54481.19982.72362.65672.65671.1040
O32.42571.19982.92083.60373.60372.0412
Cl41.74572.72362.92082.90372.90373.7075
Cl51.77202.65673.60372.90372.90332.8481
Cl61.77202.65673.60372.90372.90332.8481
H72.20441.10402.04123.70752.84812.8481

picture of trichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 123.724 C1 C2 H7 111.578
C2 C1 Cl4 111.582 C2 C1 Cl5 106.243
C2 C1 Cl6 106.243 O3 C2 H7 124.698
Cl4 C1 Cl5 111.266 Cl4 C1 Cl6 111.266
Cl5 C1 Cl6 110.008
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability