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All results from a given calculation for CHCl2CHO (dichloroacetaldehyde)

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

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCSD(T)=FULL/TZVP
 hartrees
Energy at 0K-1071.726829
Energy at 298.15K 
HF Energy-1070.801498
Nuclear repulsion energy262.391611
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 CCSD(T)=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 3190 3049        
2 A 3009 2876        
3 A 1787 1708        
4 A 1438 1375        
5 A 1281 1224        
6 A 1243 1188        
7 A 1086 1038        
8 A 1007 963        
9 A 798 763        
10 A 755 722        
11 A 444 424        
12 A 329 315        
13 A 286 273        
14 A 258 247        
15 A 84 80        

Unscaled Zero Point Vibrational Energy (zpe) 8497.0 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 8123.1 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 CCSD(T)=FULL/TZVP
ABC
0.10353 0.09498 0.05214

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.041 -0.000 0.389
C2 -1.351 -0.004 -0.383
H3 -0.229 -0.001 1.458
Cl4 0.863 -1.483 -0.041
Cl5 0.855 1.488 -0.041
O6 -2.423 -0.005 0.171
H7 -1.239 -0.005 -1.480

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 O6 H7
C11.52071.08491.78931.78942.39222.2200
C21.52072.15612.68482.68481.20741.1024
H31.08492.15612.37382.37402.54383.1065
Cl41.78932.68482.37382.97103.60972.9453
Cl51.78942.68482.37402.97103.60862.9466
O62.39221.20742.54383.60973.60862.0324
H72.22001.10243.10652.94532.94662.0324

picture of dichloroacetaldehyde state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O6 122.113 C1 C2 H7 114.690
C2 C1 H3 110.573 C2 C1 Cl4 108.138
C2 C1 Cl5 108.129 H3 C1 Cl4 108.881
H3 C1 Cl5 108.889 Cl4 C1 Cl5 112.234
O6 C2 H7 123.197
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability