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All results from a given calculation for CHCl2CHO (dichloroacetaldehyde)

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

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-1071.909318
Energy at 298.15K 
HF Energy-1070.833398
Nuclear repulsion energy268.429423
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=FULL/aug-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 3148 2995 5.45 76.30 0.15 0.26
2 A 3008 2862 41.58 126.24 0.25 0.41
3 A 1789 1702 100.63 14.64 0.39 0.56
4 A 1405 1337 10.10 3.70 0.26 0.41
5 A 1292 1229 10.13 1.91 0.71 0.83
6 A 1235 1175 11.18 4.15 0.68 0.81
7 A 1057 1006 15.39 1.63 0.28 0.44
8 A 957 911 5.43 3.10 0.55 0.71
9 A 853 811 68.59 5.38 0.71 0.83
10 A 670 637 28.09 12.54 0.06 0.12
11 A 631 600 24.42 4.58 0.42 0.59
12 A 351 334 1.23 2.82 0.13 0.23
13 A 281 267 3.23 2.70 0.60 0.75
14 A 223 212 2.96 0.82 0.62 0.77
15 A 87 83 9.59 1.22 0.74 0.85

Unscaled Zero Point Vibrational Energy (zpe) 8492.7 cm-1
Scaled (by 0.9514) Zero Point Vibrational Energy (zpe) 8079.9 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 MP2=FULL/aug-cc-pVTZ
ABC
0.12677 0.09128 0.05632

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.101 -0.019 0.520
C2 -0.696 -1.269 0.198
H3 0.227 0.060 1.594
Cl4 1.716 -0.255 -0.169
Cl5 -0.671 1.432 -0.058
O6 -1.781 -1.270 -0.316
H7 -0.171 -2.188 0.489

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 O6 H7
C11.51651.08411.77101.74292.40992.1861
C21.51652.13642.64162.71321.20131.0979
H31.08412.13642.32912.32753.07382.5363
Cl41.77102.64162.32912.92503.64442.7805
Cl51.74292.71322.32752.92502.93293.6955
O62.40991.20133.07383.64442.93292.0210
H72.18611.09792.53632.78053.69552.0210

picture of dichloroacetaldehyde state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O6 124.524 C1 C2 H7 112.492
C2 C1 H3 109.337 C2 C1 Cl4 106.681
C2 C1 Cl5 112.511 H3 C1 Cl4 106.851
H3 C1 Cl5 108.582 Cl4 C1 Cl5 112.692
O6 C2 H7 122.984
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability