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All results from a given calculation for CHCl2CHO (dichloroacetaldehyde)

using model chemistry: MP2/6-31+G**

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 MP2/6-31+G**
 hartrees
Energy at 0K-1071.423122
Energy at 298.15K-1071.425689
HF Energy-1070.707403
Nuclear repulsion energy263.569812
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 MP2/6-31+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' 3234 3042 0.96      
2 A' 3080 2897 34.01      
3 A' 1764 1659 112.04      
4 A' 1428 1343 1.24      
5 A' 1261 1186 9.45      
6 A' 1108 1042 21.49      
7 A' 819 771 18.94      
8 A' 448 422 4.13      
9 A' 336 316 23.59      
10 A' 266 250 2.10      
11 A" 1309 1231 27.05      
12 A" 1035 973 27.33      
13 A" 787 741 99.57      
14 A" 289 271 3.02      
15 A" 76 71 9.48      

Unscaled Zero Point Vibrational Energy (zpe) 8619.1 cm-1
Scaled (by 0.9406) Zero Point Vibrational Energy (zpe) 8107.1 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 MP2/6-31+G**
ABC
0.10555 0.09497 0.05263

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.382 -0.024 0.000
C2 -0.173 1.389 0.000
H3 1.467 0.003 0.000
Cl4 -0.173 -0.841 1.471
Cl5 -0.173 -0.841 -1.471
O6 0.553 2.370 0.000
H7 -1.271 1.456 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 O6 H7
C11.51871.08581.77141.77142.40102.2189
C21.51872.14762.67192.67191.22041.1005
H31.08582.14762.35922.35922.53803.1001
Cl41.77142.67192.35922.94113.60632.9403
Cl51.77142.67192.35922.94113.60632.9403
O62.40101.22042.53803.60633.60632.0408
H72.21891.10053.10012.94032.94032.0408

picture of dichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O6 122.086 C1 C2 H7 114.874
C2 C1 H3 109.980 C2 C1 Cl4 108.360
C2 C1 Cl5 108.360 H3 C1 Cl4 108.944
H3 C1 Cl5 108.944 Cl4 C1 Cl5 112.237
O6 C2 H7 123.040
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2/6-31+G**
 hartrees
Energy at 0K-1071.420220
Energy at 298.15K 
HF Energy-1070.703921
Nuclear repulsion energy266.139991
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 MP2/6-31+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 3178 2989 5.06 80.85 0.19 0.32
2 A 3067 2884 44.24 126.67 0.30 0.46
3 A 1774 1668 95.61 12.37 0.39 0.56
4 A 1426 1341 10.88 4.18 0.43 0.60
5 A 1306 1229 18.39 4.58 0.63 0.77
6 A 1276 1201 9.11 6.29 0.75 0.86
7 A 1062 999 14.53 2.18 0.37 0.54
8 A 966 909 6.37 5.99 0.60 0.75
9 A 858 807 74.28 7.07 0.69 0.81
10 A 674 634 30.55 9.36 0.09 0.16
11 A 622 585 25.50 5.20 0.59 0.74
12 A 359 338 0.88 3.70 0.19 0.32
13 A 286 269 3.17 3.91 0.69 0.81
14 A 226 213 3.33 1.12 0.68 0.81
15 A 79 74 11.67 1.94 0.74 0.85

Unscaled Zero Point Vibrational Energy (zpe) 8579.4 cm-1
Scaled (by 0.9406) Zero Point Vibrational Energy (zpe) 8069.7 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 MP2/6-31+G**
ABC
0.12603 0.08891 0.05502

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.104 -0.031 0.507
C2 -0.733 -1.265 0.171
H3 0.215 0.030 1.589
Cl4 1.733 -0.291 -0.162
Cl5 -0.636 1.456 -0.057
O6 -1.858 -1.230 -0.292
H7 -0.222 -2.210 0.413

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 O6 H7
C11.52831.09001.77991.75432.43392.2052
C21.52832.14142.67232.73241.21711.1012
H31.09002.14142.34012.33863.06952.5673
Cl41.77992.67232.34012.94543.71382.7995
Cl51.75432.73242.33862.94542.95983.7193
O62.43391.21713.06953.71382.95982.0334
H72.20521.10122.56732.79953.71932.0334

picture of dichloroacetaldehyde state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O6 124.487 C1 C2 H7 112.986
C2 C1 H3 108.585 C2 C1 Cl4 107.516
C2 C1 Cl5 112.504 H3 C1 Cl4 106.777
H3 C1 Cl5 108.338 Cl4 C1 Cl5 112.894
O6 C2 H7 122.514
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability