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All results from a given calculation for CHCl2CHO (dichloroacetaldehyde)

using model chemistry: CCD/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-1071.636911
Energy at 298.15K-1071.639482
HF Energy-1070.726099
Nuclear repulsion energy264.125171
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/6-31G(2df,p)
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' 3219 3049 1.46      
2 A' 3046 2885 28.44      
3 A' 1887 1787 121.64      
4 A' 1436 1360 4.04      
5 A' 1246 1180 7.33      
6 A' 1100 1042 22.97      
7 A' 817 774 22.51      
8 A' 450 426 4.26      
9 A' 328 311 22.71      
10 A' 261 247 1.96      
11 A" 1274 1207 26.10      
12 A" 1043 988 19.47      
13 A" 795 753 89.99      
14 A" 290 274 3.04      
15 A" 82 78 7.96      

Unscaled Zero Point Vibrational Energy (zpe) 8636.7 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 8180.7 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 CCD/6-31G(2df,p)
ABC
0.10608 0.09520 0.05284

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.390 -0.019 0.000
C2 -0.171 1.399 0.000
H3 1.475 0.000 0.000
Cl4 -0.171 -0.842 1.467
Cl5 -0.171 -0.842 -1.467
O6 0.538 2.363 0.000
H7 -1.273 1.450 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 O6 H7
C11.52501.08571.77301.77302.38602.2183
C21.52502.16062.67862.67861.19591.1028
H31.08572.16062.36042.36042.54173.1070
Cl41.77302.67862.36042.93323.59492.9354
Cl51.77302.67862.36042.93323.59492.9354
O62.38601.19592.54173.59493.59492.0274
H72.21831.10283.10702.93542.93542.0274

picture of dichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O6 122.080 C1 C2 H7 114.201
C2 C1 H3 110.575 C2 C1 Cl4 108.387
C2 C1 Cl5 108.387 H3 C1 Cl4 108.937
H3 C1 Cl5 108.937 Cl4 C1 Cl5 111.623
O6 C2 H7 123.718
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCD/6-31G(2df,p)
 hartrees
Energy at 0K-1071.634966
Energy at 298.15K 
HF Energy-1070.723315
Nuclear repulsion energy267.002558
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/6-31G(2df,p)
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 3174 3006 3.58      
2 A 3033 2873 37.28      
3 A 1894 1794 98.94      
4 A 1433 1357 15.62      
5 A 1304 1235 10.53      
6 A 1259 1193 14.26      
7 A 1064 1008 12.80      
8 A 967 916 6.38      
9 A 867 821 67.60      
10 A 671 636 28.60      
11 A 637 604 29.09      
12 A 353 335 1.04      
13 A 281 266 3.44      
14 A 226 214 2.91      
15 A 93 88 9.95      

Unscaled Zero Point Vibrational Energy (zpe) 8628.2 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 8172.6 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/6-31G(2df,p)
ABC
0.12551 0.09015 0.05567

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.102 -0.027 0.522
C2 -0.718 -1.278 0.195
H3 0.231 0.056 1.601
Cl4 1.726 -0.263 -0.169
Cl5 -0.666 1.444 -0.057
O6 -1.795 -1.261 -0.319
H7 -0.206 -2.209 0.491

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 O6 H7
C11.53141.08911.78131.75682.41472.2048
C21.53142.15782.67162.73331.19341.1037
H31.08912.15782.33932.34003.08592.5606
Cl41.78132.67162.33932.94083.66332.8210
Cl51.75682.73332.34002.94082.94243.7223
O62.41471.19343.08593.66332.94242.0202
H72.20481.10372.56062.82103.72232.0202

picture of dichloroacetaldehyde state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O6 124.325 C1 C2 H7 112.573
C2 C1 H3 109.707 C2 C1 Cl4 107.265
C2 C1 Cl5 112.272 H3 C1 Cl4 106.674
H3 C1 Cl5 108.325 Cl4 C1 Cl5 112.436
O6 C2 H7 123.100
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability