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All results from a given calculation for CHCl2CHO (dichloroacetaldehyde)

using model chemistry: MP2=FULL/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=FULL/6-31+G**
 hartrees
Energy at 0K-1071.457731
Energy at 298.15K-1071.460301
HF Energy-1070.707570
Nuclear repulsion energy263.819247
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/6-31+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' 3236 3039 0.98      
2 A' 3080 2893 34.18      
3 A' 1769 1662 112.86      
4 A' 1430 1343 1.18      
5 A' 1263 1186 9.19      
6 A' 1109 1042 21.62      
7 A' 820 770 18.62      
8 A' 449 422 4.13      
9 A' 336 316 23.49      
10 A' 266 250 2.01      
11 A" 1309 1229 26.71      
12 A" 1038 975 26.95      
13 A" 789 741 99.00      
14 A" 290 273 3.03      
15 A" 75 71 9.45      

Unscaled Zero Point Vibrational Energy (zpe) 8628.9 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 8104.2 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 MP2=FULL/6-31+G**
ABC
0.10570 0.09519 0.05273

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.382 -0.025 0.000
C2 -0.172 1.387 0.000
H3 1.466 0.002 0.000
Cl4 -0.172 -0.840 1.470
Cl5 -0.172 -0.840 -1.470
O6 0.551 2.369 0.000
H7 -1.270 1.451 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 O6 H7
C11.51711.08491.76961.76962.39982.2156
C21.51712.14562.66862.66861.21921.0998
H31.08492.14562.35692.35692.53753.0966
Cl41.76962.66862.35692.93923.60292.9354
Cl51.76962.66862.35692.93923.60292.9354
O62.39981.21922.53753.60293.60292.0391
H72.21561.09983.09662.93542.93542.0391

picture of dichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O6 122.200 C1 C2 H7 114.764
C2 C1 H3 109.981 C2 C1 Cl4 108.328
C2 C1 Cl5 108.328 H3 C1 Cl4 108.947
H3 C1 Cl5 108.947 Cl4 C1 Cl5 112.294
O6 C2 H7 123.036
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2=FULL/6-31+G**
 hartrees
Energy at 0K-1071.454850
Energy at 298.15K 
HF Energy-1070.704090
Nuclear repulsion energy266.403902
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/6-31+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 3180 2987 5.08 80.57 0.19 0.32
2 A 3068 2882 44.27 126.19 0.30 0.46
3 A 1778 1670 95.70 12.45 0.39 0.56
4 A 1428 1342 10.66 4.19 0.43 0.60
5 A 1306 1227 17.90 4.42 0.63 0.77
6 A 1277 1199 9.57 6.45 0.75 0.86
7 A 1064 999 14.41 2.18 0.37 0.54
8 A 968 909 6.30 5.93 0.60 0.75
9 A 859 807 73.55 6.99 0.69 0.81
10 A 674 633 30.28 9.30 0.09 0.16
11 A 624 586 25.45 5.18 0.58 0.74
12 A 360 338 0.90 3.63 0.19 0.32
13 A 286 269 3.16 3.91 0.68 0.81
14 A 227 213 3.34 1.12 0.68 0.81
15 A 79 74 11.60 1.93 0.74 0.85

Unscaled Zero Point Vibrational Energy (zpe) 8589.4 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 8067.2 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 MP2=FULL/6-31+G**
ABC
0.12625 0.08910 0.05515

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.104 -0.031 0.507
C2 -0.731 -1.264 0.173
H3 0.215 0.030 1.588
Cl4 1.731 -0.289 -0.162
Cl5 -0.638 1.454 -0.057
O6 -1.853 -1.231 -0.294
H7 -0.221 -2.208 0.418

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 O6 H7
C11.52651.08901.77831.75262.43152.2029
C21.52652.13872.66942.72941.21611.1003
H31.08902.13872.33792.33673.06772.5627
Cl41.77832.66942.33792.94293.70872.7981
Cl51.75262.72942.33672.94292.95653.7158
O62.43151.21613.06773.70872.95652.0315
H72.20291.10032.56272.79813.71582.0315

picture of dichloroacetaldehyde state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O6 124.507 C1 C2 H7 112.991
C2 C1 H3 108.557 C2 C1 Cl4 107.509
C2 C1 Cl5 112.502 H3 C1 Cl4 106.769
H3 C1 Cl5 108.361 Cl4 C1 Cl5 112.914
O6 C2 H7 122.490
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability