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All results from a given calculation for CHCl2CHO (dichloroacetaldehyde)

using model chemistry: CISD/Def2TZVPP

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 CISD/Def2TZVPP
Rotational Constants (cm-1) from geometry optimized at CISD/Def2TZVPP
See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/Def2TZVPP
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CISD/Def2TZVPP
 hartrees
Energy at 0K-1071.609825
Energy at 298.15K 
HF Energy-1070.822986
Nuclear repulsion energy268.944447
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 CISD/Def2TZVPP
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 3250 3250 5.52      
2 A 3113 3113 41.80      
3 A 1958 1958 161.25      
4 A 1476 1476 16.74      
5 A 1354 1354 9.16      
6 A 1299 1299 14.92      
7 A 1109 1109 12.00      
8 A 1004 1004 7.75      
9 A 890 890 73.44      
10 A 690 690 36.29      
11 A 657 657 30.46      
12 A 365 365 1.18      
13 A 291 291 3.86      
14 A 231 231 3.47      
15 A 90 90 12.30      

Unscaled Zero Point Vibrational Energy (zpe) 8887.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8887.5 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 CISD/Def2TZVPP
ABC
0.12641 0.09178 0.05634

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.097 -0.025 0.511
C2 -0.724 -1.263 0.191
H3 0.218 0.048 1.580
Cl4 1.710 -0.277 -0.165
Cl5 -0.645 1.445 -0.057
O6 -1.793 -1.249 -0.312
H7 -0.221 -2.188 0.483

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 O6 H7
C11.51971.07771.76741.74202.39732.1866
C21.51972.12972.65062.72051.18121.0929
H31.07772.12972.31932.31833.05012.5291
Cl41.76742.65062.31932.91913.63832.7938
Cl51.74202.72052.31832.91912.93933.6975
O62.39731.18123.05013.63832.93931.9963
H72.18661.09292.52912.79383.69751.9963

picture of dichloroacetaldehyde state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O6 124.667 C1 C2 H7 112.615
C2 C1 H3 108.966 C2 C1 Cl4 107.243
C2 C1 Cl5 112.867 H3 C1 Cl4 106.684
H3 C1 Cl5 108.294 Cl4 C1 Cl5 112.564
O6 C2 H7 122.716
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability