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All results from a given calculation for CHCl2CHO (dichloroacetaldehyde)

using model chemistry: CCD/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 CCD/6-31+G**
 hartrees
Energy at 0K-1071.452884
Energy at 298.15K-1071.455473
HF Energy-1070.708709
Nuclear repulsion energy263.472769
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 CCD/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' 3239 3052 0.84      
2 A' 3092 2913 30.65      
3 A' 1859 1752 129.60      
4 A' 1447 1364 2.68      
5 A' 1275 1201 10.34      
6 A' 1116 1052 19.71      
7 A' 825 777 20.74      
8 A' 452 426 4.75      
9 A' 339 320 24.19      
10 A' 266 251 1.97      
11 A" 1316 1240 28.61      
12 A" 1047 987 25.28      
13 A" 796 750 88.14      
14 A" 290 273 2.84      
15 A" 76 72 10.40      

Unscaled Zero Point Vibrational Energy (zpe) 8718.0 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 8214.9 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 CCD/6-31+G**
ABC
0.10536 0.09488 0.05255

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.380 -0.020 0.000
C2 -0.172 1.397 0.000
H3 1.464 0.008 0.000
Cl4 -0.172 -0.843 1.472
Cl5 -0.172 -0.843 -1.472
O6 0.551 2.367 0.000
H7 -1.269 1.470 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 O6 H7
C11.52141.08461.77461.77462.39312.2227
C21.52142.14692.68112.68111.20951.0992
H31.08462.14692.35982.35982.52953.0999
Cl41.77462.68112.35982.94433.60482.9534
Cl51.77462.68112.35982.94433.60482.9534
O62.39311.20952.52953.60483.60482.0290
H72.22271.09923.09992.95342.95342.0290

picture of dichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O6 121.984 C1 C2 H7 115.075
C2 C1 H3 109.804 C2 C1 Cl4 108.622
C2 C1 Cl5 108.622 H3 C1 Cl4 108.837
H3 C1 Cl5 108.837 Cl4 C1 Cl5 112.102
O6 C2 H7 122.940
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-1071.450048
Energy at 298.15K 
HF Energy-1070.705212
Nuclear repulsion energy266.009587
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 CCD/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 3183 2999 4.93      
2 A 3077 2900 39.49      
3 A 1868 1760 109.69      
4 A 1447 1363 14.11      
5 A 1321 1245 15.18      
6 A 1293 1218 11.81      
7 A 1074 1012 12.38      
8 A 975 919 5.54      
9 A 872 821 66.99      
10 A 675 636 30.14      
11 A 626 590 26.54      
12 A 362 341 0.69      
13 A 286 269 3.27      
14 A 228 215 3.56      
15 A 78 73 12.71      

Unscaled Zero Point Vibrational Energy (zpe) 8682.0 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 8181.0 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 CCD/6-31+G**
ABC
0.12562 0.08885 0.05486

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.100 -0.037 0.503
C2 -0.744 -1.267 0.163
H3 0.206 0.021 1.585
Cl4 1.734 -0.297 -0.159
Cl5 -0.629 1.462 -0.057
O6 -1.863 -1.224 -0.287
H7 -0.237 -2.216 0.391

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 O6 H7
C11.52971.08871.78221.75922.42562.2076
C21.52972.14062.68052.74071.20661.1000
H31.08872.14062.34092.33963.05452.5738
Cl41.78222.68052.34092.94803.71642.8054
Cl51.75922.74072.33962.94802.96473.7265
O62.42561.20663.05453.71642.96472.0219
H72.20761.10002.57382.80543.72652.0219

picture of dichloroacetaldehyde state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O6 124.439 C1 C2 H7 113.154
C2 C1 H3 108.497 C2 C1 Cl4 107.818
C2 C1 Cl5 112.693 H3 C1 Cl4 106.748
H3 C1 Cl5 108.153 Cl4 C1 Cl5 112.695
O6 C2 H7 122.394
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability