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All results from a given calculation for CHCl2CHO (dichloroacetaldehyde)

using model chemistry: MP2/aug-cc-pVDZ

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 MP2/aug-cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at MP2/aug-cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2/aug-cc-pVDZ
 hartrees
Energy at 0K-1071.534555
Energy at 298.15K 
HF Energy-1070.767644
Nuclear repulsion energy264.771011
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 MP2/aug-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 3135 3006 5.00 79.02 0.16 0.27
2 A 3005 2882 43.78 135.46 0.26 0.41
3 A 1748 1676 95.01 14.40 0.40 0.57
4 A 1378 1322 10.57 3.84 0.27 0.43
5 A 1257 1205 11.26 1.82 0.68 0.81
6 A 1215 1165 9.86 4.55 0.69 0.82
7 A 1034 992 15.56 1.73 0.29 0.45
8 A 937 899 4.19 3.62 0.54 0.71
9 A 824 790 73.35 6.38 0.72 0.84
10 A 652 626 30.77 13.30 0.07 0.12
11 A 614 589 27.11 5.68 0.42 0.60
12 A 345 331 1.34 3.18 0.14 0.24
13 A 278 267 3.11 3.09 0.62 0.76
14 A 219 210 2.96 0.89 0.63 0.77
15 A 84 81 10.01 1.40 0.74 0.85

Unscaled Zero Point Vibrational Energy (zpe) 8362.5 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 8019.7 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 MP2/aug-cc-pVDZ
ABC
0.12349 0.08877 0.05481

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.099 -0.026 0.529
C2 -0.718 -1.283 0.198
H3 0.235 0.062 1.617
Cl4 1.738 -0.270 -0.171
Cl5 -0.666 1.456 -0.058
O6 -1.819 -1.270 -0.320
H7 -0.199 -2.225 0.487

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 O6 H7
C11.53581.09981.79871.76822.43842.2195
C21.53582.17492.68282.75181.21601.1137
H31.09982.17492.35962.35853.12082.5869
Cl41.79872.68282.35962.96123.69742.8300
Cl51.76822.75182.35852.96122.97123.7505
O62.43841.21603.12083.69742.97122.0462
H72.21951.11372.58692.83003.75052.0462

picture of dichloroacetaldehyde state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O6 124.362 C1 C2 H7 112.828
C2 C1 H3 110.117 C2 C1 Cl4 106.865
C2 C1 Cl5 112.594 H3 C1 Cl4 106.482
H3 C1 Cl5 108.380 Cl4 C1 Cl5 112.228
O6 C2 H7 122.810
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability