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All results from a given calculation for CH2ClCHO (chloroacetaldehyde)

using model chemistry: CCSD(T)/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes CS eclipsed, cis 1A'

Conformer 1 (C1 bisecting, trans)

Jump to S1C2
Energy calculated at CCSD(T)/cc-pVDZ
 hartrees
Energy at 0K-612.482792
Energy at 298.15K 
HF Energy-611.843098
Nuclear repulsion energy141.931424
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(T)/cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at CCSD(T)/cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS eclipsed, cis)

Jump to S1C1
Energy calculated at CCSD(T)/cc-pVDZ
 hartrees
Energy at 0K-612.481422
Energy at 298.15K-612.484862
HF Energy-611.840888
Nuclear repulsion energy145.796129
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(T)/cc-pVDZ
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' 3071 3006        
2 A' 2913 2851        
3 A' 1819 1780        
4 A' 1435 1405        
5 A' 1400 1371        
6 A' 1307 1279        
7 A' 957 937        
8 A' 777 761        
9 A' 635 621        
10 A' 213 209        
11 A" 3129 3063        
12 A" 1197 1171        
13 A" 1028 1007        
14 A" 695 680        
15 A" 164 160        

Unscaled Zero Point Vibrational Energy (zpe) 10369.8 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 10150.0 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 CCSD(T)/cc-pVDZ
ABC
0.49664 0.12628 0.10266

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.932 0.000
C2 1.373 0.265 0.000
Cl3 -1.351 -0.232 0.000
O4 1.586 -0.927 0.000
H5 -0.079 1.579 0.894
H6 -0.079 1.579 -0.894
H7 2.207 1.020 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 O4 H5 H6 H7
C11.52651.78382.44361.10621.10622.2086
C21.52652.76961.21142.15252.15251.1244
Cl31.78382.76963.01802.38722.38723.7721
O42.44361.21143.01803.13873.13872.0439
H51.10622.15252.38723.13871.78752.5172
H61.10622.15252.38723.13871.78752.5172
H72.20861.12443.77212.04392.51722.5172

picture of chloroacetaldehyde state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 125.989 C1 C2 H7 111.958
C2 C1 Cl3 113.356 C2 C1 H5 108.641
C2 C1 H6 108.641 Cl3 C1 H5 109.133
Cl3 C1 H6 109.133 O4 C2 H7 122.053
H5 C1 H6 107.790
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability