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All results from a given calculation for CHCl2CHO (dichloroacetaldehyde)

using model chemistry: B2PLYP=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 B2PLYP=FULL/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at B2PLYP=FULL/aug-cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/aug-cc-pVTZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at B2PLYP=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-1072.785326
Energy at 298.15K 
HF Energy-1072.435782
Nuclear repulsion energy266.326399
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 B2PLYP=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 3129 3002 5.24 78.70 0.15 0.26
2 A 2972 2851 45.65 135.09 0.27 0.43
3 A 1803 1730 131.86 18.62 0.39 0.56
4 A 1402 1345 11.94 3.21 0.30 0.47
5 A 1276 1224 9.65 2.14 0.75 0.86
6 A 1223 1173 11.24 4.60 0.67 0.80
7 A 1036 994 14.66 1.86 0.34 0.51
8 A 940 902 8.39 3.01 0.56 0.72
9 A 808 775 72.71 5.81 0.71 0.83
10 A 646 620 33.23 14.27 0.07 0.13
11 A 615 590 34.05 6.18 0.43 0.60
12 A 343 329 1.76 3.57 0.12 0.21
13 A 273 262 3.38 3.18 0.59 0.74
14 A 218 209 2.75 0.98 0.65 0.78
15 A 86 82 10.11 1.33 0.73 0.84

Unscaled Zero Point Vibrational Energy (zpe) 8384.6 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 8044.2 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 B2PLYP=FULL/aug-cc-pVTZ
ABC
0.12400 0.09003 0.05534

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.095 -0.021 0.521
C2 -0.701 -1.283 0.201
H3 0.225 0.065 1.595
Cl4 1.732 -0.251 -0.169
Cl5 -0.684 1.446 -0.058
O6 -1.779 -1.295 -0.321
H7 -0.175 -2.201 0.507

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 O6 H7
C11.52561.08511.79141.75942.41712.1961
C21.52562.14932.66802.74151.19771.1014
H31.08512.14932.34112.33803.08852.5455
Cl41.79142.66802.34112.95443.66562.8091
Cl51.75942.74152.33802.95442.96373.7255
O62.41711.19773.08853.66562.96372.0197
H72.19611.10142.54552.80913.72552.0197

picture of dichloroacetaldehyde state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O6 124.706 C1 C2 H7 112.432
C2 C1 H3 109.678 C2 C1 Cl4 106.824
C2 C1 Cl5 112.946 H3 C1 Cl4 106.352
H3 C1 Cl5 108.208 Cl4 C1 Cl5 112.615
O6 C2 H7 122.861
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability