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All results from a given calculation for CHCl2CCH (3,3-dichloropropyne)

using model chemistry: HF/CEP-31G*

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/CEP-31G*
 hartrees
Energy at 0K-46.897631
Energy at 298.15K-46.899070
HF Energy-46.897631
Nuclear repulsion energy72.103202
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/CEP-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' 3667 3293 65.37      
2 A' 3396 3050 3.44      
3 A' 2422 2175 15.72      
4 A' 1399 1256 58.84      
5 A' 1065 957 60.23      
6 A' 816 733 70.88      
7 A' 767 688 16.28      
8 A' 487 438 6.29      
9 A' 294 264 0.54      
10 A' 215 194 3.79      
11 A" 1360 1222 45.00      
12 A" 876 787 232.28      
13 A" 820 736 14.28      
14 A" 500 449 1.91      
15 A" 159 142 1.32      

Unscaled Zero Point Vibrational Energy (zpe) 9121.7 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 8191.3 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/CEP-31G*
ABC
0.10634 0.09741 0.05305

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.689 2.001 0.000
C2 -0.755 1.216 0.000
C3 0.396 0.291 0.000
Cl4 0.396 -0.723 1.472
Cl5 0.396 -0.723 -1.472
H6 -2.507 2.678 0.000
H7 1.324 0.842 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.22052.69673.73303.73301.06163.2286
C21.22051.47642.69272.69272.28202.1123
C32.69671.47641.78781.78783.75831.0794
Cl43.73302.69271.78782.94494.70752.3407
Cl53.73302.69271.78782.94494.70752.3407
H61.06162.28203.75834.70754.70754.2482
H73.22862.11231.07942.34072.34074.2482

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 178.742 C2 C1 H6 179.590
C2 C3 Cl4 110.804 C2 C3 Cl5 110.804
C2 C3 H7 110.519 Cl4 C3 Cl5 110.898
Cl4 C3 H7 106.834 Cl5 C3 H7 106.834
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.182      
2 C -0.359      
3 C 0.146      
4 Cl -0.092      
5 Cl -0.092      
6 H 0.363      
7 H 0.216      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.213 2.012 0.000 2.023
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.177 -2.844 0.000
y -2.844 -38.531 0.000
z 0.000 0.000 -44.010
Traceless
 xyz
x 4.093 -2.844 0.000
y -2.844 2.063 0.000
z 0.000 0.000 -6.156
Polar
3z2-r2-12.312
x2-y21.354
xy-2.844
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.263 -2.500 0.000
y -2.500 7.168 0.000
z 0.000 0.000 7.095


<r2> (average value of r2) Å2
<r2> 117.296
(<r2>)1/2 10.830