return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CHCl2CHO (dichloroacetaldehyde)

using model chemistry: G3B3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
1 2 no C1 1A

Conformer 1 (C1)

Jump to S1C2
Energy calculated at G3B3
 hartrees
Energy at 0K-1072.638392
Energy at 298.15K-1072.631839
HF Energy-1073.006530
Nuclear repulsion energy261.378759
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 B3LYP/6-31G*
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' 3187 3061 0.74      
2 A' 2993 2874 48.17      
3 A' 1845 1772 153.64      
4 A' 1417 1361 4.13      
5 A' 1231 1182 10.13      
6 A' 1057 1015 27.90      
7 A' 775 745 25.99      
8 A' 433 416 4.85      
9 A' 324 311 25.32      
10 A' 253 243 2.39      
11 A" 1265 1214 28.31      
12 A" 1017 976 16.93      
13 A" 702 674 140.02      
14 A" 275 264 3.40      
15 A" 82 79 7.68      

Unscaled Zero Point Vibrational Energy (zpe) 8427.3 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 8092.7 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 B3LYP/6-31G*
ABC
0.10277 0.09409 0.05169

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.386 -0.015 0.000
C2 -0.172 1.409 0.000
H3 1.475 -0.003 0.000
Cl4 -0.172 -0.848 1.491
Cl5 -0.172 -0.848 -1.491
O6 0.547 2.374 0.000
H7 -1.278 1.466 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 O6 H7
C11.52981.08821.79681.79682.39502.2283
C21.52982.16892.70452.70451.20421.1072
H31.08822.16892.37692.37692.55133.1199
Cl41.79682.70452.37692.98233.62242.9664
Cl51.79682.70452.37692.98233.62242.9664
O62.39501.20422.55133.62243.62242.0387
H72.22831.10723.11992.96642.96642.0387

picture of dichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O6 122.106 C1 C2 H7 114.113
C2 C1 H3 109.818 C2 C1 Cl4 108.733
C2 C1 Cl5 108.733 H3 C1 Cl4 108.486
H3 C1 Cl5 108.486 Cl4 C1 Cl5 112.564
O6 C2 H7 123.782
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.377      
2 C 0.292      
3 H 0.258      
4 Cl 0.009      
5 Cl 0.009      
6 O -0.345      
7 H 0.155      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.246 -0.529 0.000 0.583
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 194.811
(<r2>)1/2 13.957

Conformer 2 (C1)

Jump to S1C1
Energy calculated at G3B3
 hartrees
Energy at 0K-1072.635636
Energy at 298.15K-1072.629134
HF Energy-1073.003854
Nuclear repulsion energy264.084447
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 B3LYP/6-31G*
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 3127 3003 4.04 83.28 0.24 0.39
2 A 2970 2852 57.03 132.98 0.32 0.49
3 A 1859 1785 130.31 14.78 0.45 0.62
4 A 1413 1357 15.02 5.09 0.69 0.82
5 A 1279 1228 14.75 6.08 0.74 0.85
6 A 1240 1191 13.48 11.16 0.73 0.84
7 A 1028 987 11.58 2.90 0.56 0.72
8 A 932 895 11.51 6.19 0.60 0.75
9 A 791 760 83.38 6.43 0.68 0.81
10 A 638 612 39.77 10.08 0.10 0.18
11 A 603 580 44.30 8.02 0.47 0.64
12 A 342 328 1.97 3.86 0.22 0.37
13 A 272 261 3.55 6.00 0.64 0.78
14 A 219 211 2.31 1.63 0.72 0.83
15 A 85 81 9.95 2.12 0.72 0.83

Unscaled Zero Point Vibrational Energy (zpe) 8398.2 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 8064.7 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 B3LYP/6-31G*
ABC
0.12275 0.08794 0.05423

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.096 -0.026 0.518
C2 -0.707 -1.296 0.191
H3 0.224 0.060 1.599
Cl4 1.755 -0.247 -0.167
Cl5 -0.698 1.454 -0.058
O6 -1.796 -1.304 -0.315
H7 -0.171 -2.220 0.488

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 O6 H7
C11.53741.09231.80921.77502.43022.2106
C21.53742.16532.70022.76081.20081.1088
H31.09232.16532.35752.35373.09962.5672
Cl41.80922.70022.35752.98703.70822.8344
Cl51.77502.76082.35372.98702.97983.7513
O62.43021.20083.09963.70822.97982.0303
H72.21061.10882.56722.83443.75132.0303

picture of dichloroacetaldehyde state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O6 124.681 C1 C2 H7 112.301
C2 C1 H3 109.705 C2 C1 Cl4 107.286
C2 C1 Cl5 112.724 H3 C1 Cl4 106.031
H3 C1 Cl5 107.971 Cl4 C1 Cl5 112.898
O6 C2 H7 123.015
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.388      
2 C 0.278      
3 H 0.253      
4 Cl -0.004      
5 Cl 0.032      
6 O -0.324      
7 H 0.154      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.104 -0.873 1.994 2.441
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 187.946
(<r2>)1/2 13.709