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All results from a given calculation for CHCl2CHO (dichloroacetaldehyde)

using model chemistry: MP2=FULL/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
1 2 no C1 1A

Conformer 1 (C1)

Jump to S1C2
Energy calculated at MP2=FULL/6-31G**
 hartrees
Energy at 0K-1071.441205
Energy at 298.15K-1071.443768
HF Energy-1070.702054
Nuclear repulsion energy263.861497
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/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3246 3033 0.87      
2 A' 3074 2873 43.98      
3 A' 1796 1678 89.68      
4 A' 1442 1347 2.66      
5 A' 1266 1183 8.48      
6 A' 1109 1037 23.16      
7 A' 823 769 20.86      
8 A' 449 419 4.09      
9 A' 333 311 23.78      
10 A' 267 250 2.19      
11 A" 1314 1227 28.83      
12 A" 1040 972 22.03      
13 A" 793 741 100.40      
14 A" 289 270 2.36      
15 A" 73 69 7.84      

Unscaled Zero Point Vibrational Energy (zpe) 8656.8 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 8088.9 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/6-31G**
ABC
0.10578 0.09513 0.05272

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.379 -0.024 0.000
C2 -0.172 1.391 0.000
H3 1.463 0.003 0.000
Cl4 -0.172 -0.841 1.469
Cl5 -0.172 -0.841 -1.469
O6 0.552 2.368 0.000
H7 -1.271 1.448 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 O6 H7
C11.51881.08421.76911.76912.39842.2114
C21.51882.14492.67212.67211.21591.1004
H31.08422.14492.35492.35492.53443.0925
Cl41.76912.67212.35492.93833.60282.9333
Cl51.76912.67212.35492.93833.60282.9333
O62.39841.21592.53443.60283.60282.0420
H72.21141.10043.09252.93332.93332.0420

picture of dichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O6 122.176 C1 C2 H7 114.247
C2 C1 H3 109.848 C2 C1 Cl4 108.480
C2 C1 Cl5 108.480 H3 C1 Cl4 108.864
H3 C1 Cl5 108.864 Cl4 C1 Cl5 112.286
O6 C2 H7 123.577
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2=FULL/6-31G**
 hartrees
Energy at 0K-1071.439079
Energy at 298.15K 
HF Energy-1070.699333
Nuclear repulsion energy266.580306
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/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3193 2984 4.58 76.23 0.25 0.40
2 A 3064 2863 52.65 120.16 0.30 0.46
3 A 1802 1684 76.78 7.34 0.52 0.68
4 A 1437 1343 11.98 5.24 0.60 0.75
5 A 1315 1229 17.44 6.35 0.67 0.80
6 A 1288 1204 11.49 9.12 0.75 0.86
7 A 1065 996 13.36 1.99 0.40 0.57
8 A 971 907 7.41 7.18 0.64 0.78
9 A 864 808 73.09 6.51 0.71 0.83
10 A 676 632 31.94 7.85 0.10 0.18
11 A 630 588 25.50 5.80 0.49 0.66
12 A 358 335 0.86 3.08 0.26 0.41
13 A 287 268 3.18 4.92 0.66 0.80
14 A 229 214 2.97 1.24 0.70 0.82
15 A 83 77 9.90 2.13 0.74 0.85

Unscaled Zero Point Vibrational Energy (zpe) 8631.7 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 8065.5 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/6-31G**
ABC
0.12650 0.08917 0.05530

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.107 -0.029 0.510
C2 -0.725 -1.268 0.181
H3 0.224 0.040 1.589
Cl4 1.732 -0.279 -0.165
Cl5 -0.650 1.447 -0.057
O6 -1.838 -1.239 -0.302
H7 -0.212 -2.205 0.445

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 O6 H7
C11.52791.08801.77771.75252.43002.1999
C21.52792.14352.67132.72601.21331.1009
H31.08802.14352.33562.33473.07632.5571
Cl41.77772.67132.33562.94343.69962.8035
Cl51.75252.72602.33472.94342.94753.7120
O62.43001.21333.07633.69962.94752.0337
H72.19991.10092.55712.80353.71202.0337

picture of dichloroacetaldehyde state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O6 124.470 C1 C2 H7 112.608
C2 C1 H3 108.890 C2 C1 Cl4 107.587
C2 C1 Cl5 112.223 H3 C1 Cl4 106.689
H3 C1 Cl5 108.275 Cl4 C1 Cl5 112.972
O6 C2 H7 122.915
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability