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All results from a given calculation for CHCl2CHO (dichloroacetaldehyde)

using model chemistry: MP3/cc-pVTZ

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 MP3/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP3/cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/cc-pVTZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP3/cc-pVTZ
 hartrees
Energy at 0K-1071.792493
Energy at 298.15K 
HF Energy-1070.831423
Nuclear repulsion energy267.043093
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 MP3/cc-pVTZ
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 3177 3001 4.57      
2 A 3033 2866 41.15      
3 A 1903 1798 121.16      
4 A 1434 1355 14.76      
5 A 1302 1230 9.38      
6 A 1248 1179 12.72      
7 A 1067 1008 13.23      
8 A 968 914 6.22      
9 A 854 807 67.49      
10 A 666 630 30.87      
11 A 635 600 31.27      
12 A 352 332 1.15      
13 A 279 263 3.52      
14 A 223 211 2.98      
15 A 89 84 10.57      

Unscaled Zero Point Vibrational Energy (zpe) 8614.3 cm-1
Scaled (by 0.9447) Zero Point Vibrational Energy (zpe) 8137.9 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 MP3/cc-pVTZ
ABC
0.12502 0.09035 0.05560

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.097 -0.025 0.519
C2 -0.709 -1.280 0.193
H3 0.224 0.057 1.592
Cl4 1.728 -0.257 -0.167
Cl5 -0.674 1.444 -0.058
O6 -1.785 -1.277 -0.316
H7 -0.189 -2.204 0.485

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 O6 H7
C11.52621.08371.78421.75692.40952.1976
C21.52622.14762.66672.73571.19061.0994
H31.08372.14762.33592.33543.07472.5508
Cl41.78422.66672.33592.94493.66062.8090
Cl51.75692.73572.33542.94492.95043.7199
O62.40951.19063.07473.66062.95042.0116
H72.19761.09942.55082.80903.71992.0116

picture of dichloroacetaldehyde state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O6 124.509 C1 C2 H7 112.639
C2 C1 H3 109.584 C2 C1 Cl4 107.074
C2 C1 Cl5 112.689 H3 C1 Cl4 106.505
H3 C1 Cl5 108.258 Cl4 C1 Cl5 112.533
O6 C2 H7 122.852
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability