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All results from a given calculation for CHCl2CHO (dichloroacetaldehyde)

using model chemistry: ROHF/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at ROHF/6-31G**
 hartrees
Energy at 0K-1070.704568
Energy at 298.15K-1070.707296
HF Energy-1070.704568
Nuclear repulsion energy264.783744
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 ROHF/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' 3360 2872 1.50      
2 A' 3204 2738 36.62      
3 A' 2045 1747 214.65      
4 A' 1530 1307 9.35      
5 A' 1350 1154 13.37      
6 A' 1167 997 25.52      
7 A' 861 736 37.15      
8 A' 474 405 6.60      
9 A' 359 306 31.13      
10 A' 280 240 2.27      
11 A" 1377 1177 38.61      
12 A" 1140 974 18.43      
13 A" 820 701 134.72      
14 A" 308 263 2.97      
15 A" 85 73 12.52      

Unscaled Zero Point Vibrational Energy (zpe) 9179.2 cm-1
Scaled (by 0.8546) Zero Point Vibrational Energy (zpe) 7844.5 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 ROHF/6-31G**
ABC
0.10627 0.09574 0.05300

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.377 -0.012 0.000
C2 -0.171 1.407 0.000
H3 1.452 0.008 0.000
Cl4 -0.171 -0.842 1.466
Cl5 -0.171 -0.842 -1.466
O6 0.546 2.346 0.000
H7 -1.259 1.482 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 O6 H7
C11.52101.07521.77171.77172.36362.2155
C21.52102.14302.68482.68481.18081.0912
H31.07522.14302.34642.34642.50783.0863
Cl41.77172.68482.34642.93193.58122.9552
Cl51.77172.68482.34642.93193.58122.9552
O62.36361.18082.50783.58123.58122.0012
H72.21551.09123.08632.95522.95522.0012

picture of dichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O6 121.536 C1 C2 H7 115.030
C2 C1 H3 110.083 C2 C1 Cl4 109.010
C2 C1 Cl5 109.010 H3 C1 Cl4 108.528
H3 C1 Cl5 108.528 Cl4 C1 Cl5 111.674
O6 C2 H7 123.433
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.375      
2 C 0.416      
3 H 0.250      
4 Cl 0.001      
5 Cl 0.001      
6 O -0.439      
7 H 0.146      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.458 -0.612 0.000 0.765
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.885 -3.474 0.000
y -3.474 -49.613 0.000
z 0.000 0.000 -43.585
Traceless
 xyz
x 5.714 -3.474 0.000
y -3.474 -7.378 0.000
z 0.000 0.000 1.664
Polar
3z2-r23.328
x2-y28.728
xy-3.474
xz0.000
yz0.000


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> 191.291
(<r2>)1/2 13.831