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All results from a given calculation for CCl3CHO (trichloroacetaldehyde)

using model chemistry: MP4/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4/6-31G*
 hartrees
Energy at 0K-1530.487714
Energy at 298.15K-1530.489203
HF Energy-1529.577651
Nuclear repulsion energy430.358403
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 MP4/6-31G*
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' 3013 2877        
2 A' 1769 1689        
3 A' 1401 1337        
4 A' 1057 1009        
5 A' 876 837        
6 A' 636 608        
7 A' 446 426        
8 A' 324 310        
9 A' 278 265        
10 A' 207 197        
11 A" 1010 965        
12 A" 765 730        
13 A" 330 315        
14 A" 252 241        
15 A" 75 71        

Unscaled Zero Point Vibrational Energy (zpe) 6219.2 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 5938.1 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 MP4/6-31G*
ABC
0.06131 0.05423 0.05018

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.043 0.049 0.000
C2 0.928 -1.226 0.000
O3 0.489 -2.359 0.000
Cl4 -1.670 -0.358 0.000
Cl5 0.489 0.971 1.465
Cl6 0.489 0.971 -1.465
H7 2.009 -0.983 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 Cl5 Cl6 H7
C11.55182.44851.76091.78731.78732.2202
C21.55181.21502.73962.67652.67651.1081
O32.44851.21502.94413.63763.63762.0505
Cl41.76092.73962.94412.92802.92803.7321
Cl51.78732.67653.63762.92802.92922.8760
Cl61.78732.67653.63762.92802.92922.8760
H72.22021.10812.05053.73212.87602.8760

picture of trichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 124.045 C1 C2 H7 112.089
C2 C1 Cl4 111.431 C2 C1 Cl5 106.347
C2 C1 Cl6 106.347 O3 C2 H7 123.866
Cl4 C1 Cl5 111.219 Cl4 C1 Cl6 111.219
Cl5 C1 Cl6 110.059
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability