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All results from a given calculation for CHCl2CHO (dichloroacetaldehyde)

using model chemistry: CCSD(T)/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes C1 1A

Conformer 1 (C1)

Jump to S1C2
Vibrational Frequencies calculated at CCSD(T)/6-31+G**
Rotational Constants (cm-1) from geometry optimized at CCSD(T)/6-31+G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-31+G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCSD(T)/6-31+G**
 hartrees
Energy at 0K-1071.482292
Energy at 298.15K 
HF Energy-1070.704023
Nuclear repulsion energy265.096978
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 CCSD(T)/6-31+G**
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 3153 3026        
2 A 3039 2916        
3 A 1795 1722        
4 A 1423 1365        
5 A 1297 1245        
6 A 1269 1217        
7 A 1049 1006        
8 A 954 916        
9 A 839 806        
10 A 660 634        
11 A 612 587        
12 A 355 340        
13 A 280 269        
14 A 224 215        
15 A 74 71        

Unscaled Zero Point Vibrational Energy (zpe) 8511.0 cm-1
Scaled (by 0.9596) Zero Point Vibrational Energy (zpe) 8167.2 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 CCSD(T)/6-31+G**
ABC
0.12494 0.08821 0.05453

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.101 -0.035 0.508
C2 -0.735 -1.274 0.166
H3 0.211 0.027 1.592
Cl4 1.742 -0.289 -0.161
Cl5 -0.642 1.462 -0.058
O6 -1.861 -1.238 -0.290
H7 -0.220 -2.221 0.398

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 O6 H7
C11.53341.09091.79001.76442.43552.2125
C21.53342.14902.68562.74671.21511.1025
H31.09092.14902.34872.34653.07062.5816
Cl41.79002.68562.34872.95983.72762.8100
Cl51.76442.74672.34652.95982.97103.7350
O62.43551.21513.07063.72762.97102.0324
H72.21251.10252.58162.81003.73502.0324

picture of dichloroacetaldehyde state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O6 124.376 C1 C2 H7 113.133
C2 C1 H3 108.773 C2 C1 Cl4 107.569
C2 C1 Cl5 112.606 H3 C1 Cl4 106.700
H3 C1 Cl5 108.215 Cl4 C1 Cl5 112.755
O6 C2 H7 122.478
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability