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All results from a given calculation for CHCl2CHO (dichloroacetaldehyde)

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes C1 1A

Conformer 1 (C1)

Jump to S1C2
Vibrational Frequencies calculated at CCSD/6-31+G**
Rotational Constants (cm-1) from geometry optimized at CCSD/6-31+G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31+G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCSD/6-31+G**
 hartrees
Energy at 0K-1071.456646
Energy at 298.15K 
HF Energy-1070.704871
Nuclear repulsion energy265.756501
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 CCSD/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 3176 2966 4.93      
2 A 3069 2866 41.03      
3 A 1842 1720 115.11      
4 A 1440 1345 13.50      
5 A 1316 1229 15.40      
6 A 1287 1202 12.31      
7 A 1068 997 12.28      
8 A 971 907 5.68      
9 A 861 804 70.95      
10 A 672 627 30.65      
11 A 621 580 26.72      
12 A 361 337 0.75      
13 A 284 265 3.24      
14 A 227 212 3.54      
15 A 77 72 12.73      

Unscaled Zero Point Vibrational Energy (zpe) 8635.8 cm-1
Scaled (by 0.9338) Zero Point Vibrational Energy (zpe) 8064.1 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 CCSD/6-31+G**
ABC
0.12551 0.08863 0.05475

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.100 -0.037 0.504
C2 -0.742 -1.268 0.161
H3 0.205 0.021 1.586
Cl4 1.737 -0.296 -0.159
Cl5 -0.631 1.463 -0.058
O6 -1.865 -1.225 -0.285
H7 -0.232 -2.217 0.387

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 O6 H7
C11.53021.08901.78451.76042.42832.2081
C21.53022.14212.68162.74191.20951.1003
H31.08902.14212.34322.34113.05652.5764
Cl41.78452.68162.34322.95103.72192.8043
Cl51.76042.74192.34112.95102.96673.7278
O62.42831.20953.05653.72192.96672.0251
H72.20811.10032.57642.80433.72782.0251

picture of dichloroacetaldehyde state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O6 124.415 C1 C2 H7 113.141
C2 C1 H3 108.562 C2 C1 Cl4 107.746
C2 C1 Cl5 112.681 H3 C1 Cl4 106.747
H3 C1 Cl5 108.174 Cl4 C1 Cl5 112.699
O6 C2 H7 122.427
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability