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All results from a given calculation for CHCl2CHO (dichloroacetaldehyde)

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

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

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCSD/6-31G**
 hartrees
Energy at 0K-1071.443099
Energy at 298.15K 
HF Energy-1070.700023
Nuclear repulsion energy265.931549
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/6-31G**
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 3188 2973 5.01      
2 A 3065 2859 49.25      
3 A 1862 1736 96.06      
4 A 1448 1350 14.66      
5 A 1323 1234 13.98      
6 A 1294 1207 15.14      
7 A 1069 997 11.62      
8 A 973 907 6.46      
9 A 865 807 70.28      
10 A 673 628 31.71      
11 A 626 584 26.95      
12 A 359 334 0.73      
13 A 285 266 3.30      
14 A 229 214 3.18      
15 A 80 75 10.98      

Unscaled Zero Point Vibrational Energy (zpe) 8669.4 cm-1
Scaled (by 0.9326) Zero Point Vibrational Energy (zpe) 8085.1 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/6-31G**
ABC
0.12578 0.08871 0.05491

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.103 -0.035 0.508
C2 -0.735 -1.272 0.171
H3 0.215 0.031 1.588
Cl4 1.738 -0.285 -0.162
Cl5 -0.644 1.455 -0.057
O6 -1.849 -1.235 -0.295
H7 -0.223 -2.214 0.417

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 O6 H7
C11.53141.08811.78401.76012.42732.2056
C21.53142.14622.68332.73811.20751.1008
H31.08812.14622.34102.33943.06672.5698
Cl41.78402.68332.34102.95153.71212.8112
Cl51.76012.73812.33942.95152.95703.7243
O62.42731.20753.06673.71212.95702.0272
H72.20561.10082.56982.81123.72432.0272

picture of dichloroacetaldehyde state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O6 124.381 C1 C2 H7 112.823
C2 C1 H3 108.859 C2 C1 Cl4 107.817
C2 C1 Cl5 112.399 H3 C1 Cl4 106.668
H3 C1 Cl5 108.119 Cl4 C1 Cl5 112.768
O6 C2 H7 122.787
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability