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All results from a given calculation for CHCl2CHO (dichloroacetaldehyde)

using model chemistry: MP2=FULL/TZVP

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

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2=FULL/TZVP
 hartrees
Energy at 0K-1071.660101
Energy at 298.15K 
HF Energy-1070.797788
Nuclear repulsion energy266.308618
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/TZVP
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 3170 3020 4.64 80.82 0.20 0.33
2 A 3020 2877 52.51 136.97 0.29 0.45
3 A 1782 1698 94.81 11.07 0.40 0.57
4 A 1438 1370 11.24 4.57 0.50 0.66
5 A 1297 1236 20.29 4.33 0.69 0.81
6 A 1267 1207 9.69 6.49 0.75 0.86
7 A 1049 999 14.84 1.90 0.39 0.56
8 A 954 909 6.14 5.87 0.63 0.77
9 A 847 807 66.96 7.33 0.72 0.84
10 A 665 633 24.44 8.93 0.08 0.15
11 A 639 608 36.93 6.49 0.64 0.78
12 A 348 332 1.11 2.17 0.22 0.36
13 A 283 270 3.45 5.34 0.65 0.78
14 A 226 215 2.53 1.53 0.72 0.84
15 A 84 80 10.06 2.00 0.73 0.84

Unscaled Zero Point Vibrational Energy (zpe) 8534.4 cm-1
Scaled (by 0.9527) Zero Point Vibrational Energy (zpe) 8130.7 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=FULL/TZVP
ABC
0.12372 0.09025 0.05554

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.101 -0.013 0.528
C2 -0.675 -1.288 0.219
H3 0.231 0.078 1.603
Cl4 1.732 -0.227 -0.174
Cl5 -0.713 1.434 -0.058
O6 -1.744 -1.326 -0.338
H7 -0.154 -2.195 0.565

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 O6 H7
C11.52451.08671.78841.76082.42402.1969
C21.52452.14562.66002.73671.20511.1018
H31.08672.14562.34632.34263.10412.5281
Cl41.78842.66002.34632.95813.64902.8241
Cl51.76082.73672.34262.95812.95973.7243
O62.42401.20513.10413.64902.95972.0242
H72.19691.10182.52812.82413.72432.0242

picture of dichloroacetaldehyde state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O6 124.847 C1 C2 H7 112.547
C2 C1 H3 109.363 C2 C1 Cl4 106.549
C2 C1 Cl5 112.617 H3 C1 Cl4 106.836
H3 C1 Cl5 108.374 Cl4 C1 Cl5 112.909
O6 C2 H7 122.606
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability