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 CHCl2CCH (3,3-dichloropropyne)

using model chemistry: HF/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-311G**
 hartrees
Energy at 0K-1033.722704
Energy at 298.15K-1033.724268
HF Energy-1033.722704
Nuclear repulsion energy241.396828
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 HF/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' 3624 3292 66.13      
2 A' 3332 3027 1.41      
3 A' 2409 2188 16.30      
4 A' 1407 1278 44.73      
5 A' 1070 972 56.23      
6 A' 836 759 40.88      
7 A' 769 699 28.66      
8 A' 500 454 6.40      
9 A' 303 276 0.50      
10 A' 236 215 4.06      
11 A" 1364 1239 35.59      
12 A" 856 778 199.04      
13 A" 844 767 40.83      
14 A" 515 468 2.40      
15 A" 169 154 1.69      

Unscaled Zero Point Vibrational Energy (zpe) 9117.6 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 8283.3 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 HF/6-311G**
ABC
0.10752 0.09998 0.05400

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.629 1.993 0.000
C2 -0.742 1.214 0.000
C3 0.384 0.292 0.000
Cl4 0.384 -0.721 1.465
Cl5 0.384 -0.721 -1.465
H6 -2.430 2.681 0.000
H7 1.313 0.830 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.18082.63553.68303.68301.05573.1636
C21.18081.45502.67552.67552.23652.0902
C32.63551.45501.78121.78123.69111.0741
Cl43.68302.67551.78122.93074.65142.3274
Cl53.68302.67551.78122.93074.65142.3274
H61.05572.23653.69114.65144.65144.1755
H73.16362.09021.07412.32742.32744.1755

picture of 3,3-dichloropropyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 178.069 C2 C1 H6 179.372
C2 C3 Cl4 111.129 C2 C3 Cl5 111.129
C2 C3 H7 110.569 Cl4 C3 Cl5 110.706
Cl4 C3 H7 106.557 Cl5 C3 H7 106.557
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.076      
2 C 0.097      
3 C -0.331      
4 Cl -0.024      
5 Cl -0.024      
6 H 0.131      
7 H 0.226      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.210 2.123 0.000 2.133
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.103 -2.964 0.000
y -2.964 -40.116 0.000
z 0.000 0.000 -45.899
Traceless
 xyz
x 3.904 -2.964 0.000
y -2.964 2.385 0.000
z 0.000 0.000 -6.289
Polar
3z2-r2-12.579
x2-y21.013
xy-2.964
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.106 -2.351 0.000
y -2.351 7.231 0.000
z 0.000 0.000 7.305


<r2> (average value of r2) Å2
<r2> 190.531
(<r2>)1/2 13.803