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All results from a given calculation for CHCl2CHO (dichloroacetaldehyde)

using model chemistry: ROHF/6-311G*

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/6-311G*
 hartrees
Energy at 0K-1070.787549
Energy at 298.15K-1070.790291
HF Energy-1070.787549
Nuclear repulsion energy264.897982
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/6-311G*
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' 3372 2885 2.65      
2 A' 3204 2741 43.16      
3 A' 2034 1740 240.65      
4 A' 1538 1316 11.36      
5 A' 1357 1161 18.77      
6 A' 1163 995 27.97      
7 A' 859 735 36.29      
8 A' 473 405 7.60      
9 A' 357 306 28.91      
10 A' 281 240 1.97      
11 A" 1390 1189 38.45      
12 A" 1139 974 19.12      
13 A" 812 695 147.11      
14 A" 308 263 3.32      
15 A" 92 79 12.24      

Unscaled Zero Point Vibrational Energy (zpe) 9189.6 cm-1
Scaled (by 0.8556) Zero Point Vibrational Energy (zpe) 7862.6 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/6-311G*
ABC
0.10625 0.09586 0.05302

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.381 -0.010 0.000
C2 -0.169 1.407 0.000
H3 1.453 0.006 0.000
Cl4 -0.169 -0.842 1.466
Cl5 -0.169 -0.842 -1.466
O6 0.537 2.345 0.000
H7 -1.258 1.480 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 O6 H7
C11.52041.07271.77311.77312.36102.2149
C21.52042.14372.68482.68481.17451.0911
H31.07272.14372.34562.34562.51233.0859
Cl41.77312.68482.34562.93273.57882.9540
Cl51.77312.68482.34562.93273.57882.9540
O62.36101.17452.51233.57883.57881.9928
H72.21491.09113.08592.95402.95401.9928

picture of dichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O6 121.821 C1 C2 H7 115.031
C2 C1 H3 110.327 C2 C1 Cl4 108.968
C2 C1 Cl5 108.968 H3 C1 Cl4 108.498
H3 C1 Cl5 108.498 Cl4 C1 Cl5 111.580
O6 C2 H7 123.148
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.423      
2 C 0.271      
3 H 0.330      
4 Cl -0.029      
5 Cl -0.029      
6 O -0.339      
7 H 0.218      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.449 -0.560 0.000 0.718
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.353 -3.403 0.000
y -3.403 -50.068 0.000
z 0.000 0.000 -44.012
Traceless
 xyz
x 5.687 -3.403 0.000
y -3.403 -7.386 0.000
z 0.000 0.000 1.699
Polar
3z2-r23.397
x2-y28.715
xy-3.403
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> 191.497
(<r2>)1/2 13.838