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: B3PW91/6-311G*

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 B3PW91/6-311G*
 hartrees
Energy at 0K-1072.934601
Energy at 298.15K-1072.937099
HF Energy-1072.934601
Nuclear repulsion energy263.214489
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 B3PW91/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3176 3058 1.75      
2 A' 2970 2860 53.20      
3 A' 1851 1782 182.05      
4 A' 1412 1359 4.63      
5 A' 1230 1184 11.17      
6 A' 1062 1023 31.75      
7 A' 789 759 24.06      
8 A' 439 423 5.27      
9 A' 323 311 23.79      
10 A' 258 248 2.46      
11 A" 1273 1226 22.69      
12 A" 1021 983 21.51      
13 A" 722 695 144.61      
14 A" 278 267 4.03      
15 A" 90 86 7.64      

Unscaled Zero Point Vibrational Energy (zpe) 8446.9 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 8131.8 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 B3PW91/6-311G*
ABC
0.10445 0.09524 0.05243

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.386 -0.019 0.000
C2 -0.171 1.400 0.000
H3 1.472 -0.006 0.000
Cl4 -0.171 -0.842 1.479
Cl5 -0.171 -0.842 -1.479
O6 0.539 2.362 0.000
H7 -1.276 1.457 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 O6 H7
C11.52391.08661.78141.78142.38592.2228
C21.52392.16182.68552.68551.19551.1074
H31.08662.16182.36322.36322.54473.1134
Cl41.78142.68552.36322.95763.59922.9486
Cl51.78142.68552.36322.95763.59922.9486
O62.38591.19552.54473.59923.59922.0285
H72.22281.10743.11342.94862.94862.0285

picture of dichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O6 122.185 C1 C2 H7 114.364
C2 C1 H3 110.695 C2 C1 Cl4 108.426
C2 C1 Cl5 108.426 H3 C1 Cl4 108.537
H3 C1 Cl5 108.537 Cl4 C1 Cl5 112.231
O6 C2 H7 123.452
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.510      
2 C 0.179      
3 H 0.336      
4 Cl 0.017      
5 Cl 0.017      
6 O -0.249      
7 H 0.211      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.313 -0.551 0.000 0.634
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.090 -2.830 0.000
y -2.830 -48.654 0.000
z 0.000 0.000 -43.205
Traceless
 xyz
x 4.840 -2.830 0.000
y -2.830 -6.507 0.000
z 0.000 0.000 1.667
Polar
3z2-r23.333
x2-y27.564
xy-2.830
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.065 0.714 0.000
y 0.714 7.096 0.000
z 0.000 0.000 7.622


<r2> (average value of r2) Å2
<r2> 192.816
(<r2>)1/2 13.886

Conformer 2 (C1)

Jump to S1C1
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-1072.931547
Energy at 298.15K 
HF Energy-1072.931547
Nuclear repulsion energy265.858321
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 B3PW91/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3117 3001 6.18      
2 A 2949 2839 65.70      
3 A 1866 1796 157.20      
4 A 1406 1354 16.40      
5 A 1280 1232 17.99      
6 A 1243 1196 9.82      
7 A 1031 992 15.61      
8 A 936 901 11.43      
9 A 806 776 88.93      
10 A 645 621 41.62      
11 A 616 593 41.36      
12 A 343 330 2.17      
13 A 278 267 3.02      
14 A 219 211 2.46      
15 A 90 86 10.37      

Unscaled Zero Point Vibrational Energy (zpe) 8411.2 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 8097.4 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 B3PW91/6-311G*
ABC
0.12350 0.08960 0.05506

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.096 -0.020 0.516
C2 -0.709 -1.284 0.201
H3 0.228 0.068 1.596
Cl4 1.737 -0.253 -0.168
Cl5 -0.685 1.450 -0.058
O6 -1.780 -1.298 -0.322
H7 -0.186 -2.208 0.521

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 O6 H7
C11.53171.09101.79351.76062.42012.2061
C21.53172.15682.68012.74631.19191.1088
H31.09102.15682.34342.34073.09472.5501
Cl41.79352.68012.34342.96323.67232.8275
Cl51.76062.74632.34072.96322.97003.7368
O62.42011.19193.09473.67232.97002.0198
H72.20611.10882.55012.82753.73682.0198

picture of dichloroacetaldehyde state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O6 124.916 C1 C2 H7 112.340
C2 C1 H3 109.490 C2 C1 Cl4 107.153
C2 C1 Cl5 112.875 H3 C1 Cl4 106.087
H3 C1 Cl5 108.029 Cl4 C1 Cl5 112.965
O6 C2 H7 122.743
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.505      
2 C 0.159      
3 H 0.328      
4 Cl 0.005      
5 Cl 0.034      
6 O -0.230      
7 H 0.209      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.128 -0.857 2.009 2.458
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.855 -2.065 -1.216
y -2.065 -41.970 -1.578
z -1.216 -1.578 -40.595
Traceless
 xyz
x -6.573 -2.065 -1.216
y -2.065 2.255 -1.578
z -1.216 -1.578 4.318
Polar
3z2-r28.636
x2-y2-5.885
xy-2.065
xz-1.216
yz-1.578


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.062 -0.847 0.138
y -0.847 6.946 -0.401
z 0.138 -0.401 4.372


<r2> (average value of r2) Å2
<r2> 186.054
(<r2>)1/2 13.640