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

using model chemistry: B3LYP/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 B3LYP/CEP-31G*
 hartrees
Energy at 0K-47.895968
Energy at 298.15K-47.896951
HF Energy-47.895968
Nuclear repulsion energy71.091207
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 B3LYP/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' 3473 3353 68.02      
2 A' 3162 3054 1.82      
3 A' 2225 2149 24.09      
4 A' 1253 1210 51.64      
5 A' 996 962 62.61      
6 A' 697 673 78.77      
7 A' 649 627 20.18      
8 A' 431 416 7.80      
9 A' 259 250 0.35      
10 A' 188 182 2.22      
11 A" 1210 1169 25.20      
12 A" 723 699 252.18      
13 A" 664 641 5.23      
14 A" 435 420 1.41      
15 A" 144 139 0.83      

Unscaled Zero Point Vibrational Energy (zpe) 8254.1 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 7971.0 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 B3LYP/CEP-31G*
ABC
0.10194 0.09572 0.05153

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.703 2.022 0.000
C2 -0.748 1.224 0.000
C3 0.397 0.306 0.000
Cl4 0.397 -0.731 1.504
Cl5 0.397 -0.731 -1.504
H6 -2.533 2.703 0.000
H7 1.352 0.843 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.24462.71233.77533.77531.07333.2753
C21.24461.46792.71942.71942.31792.1350
C32.71231.46791.82681.82683.78571.0957
Cl43.77532.71941.82683.00804.75812.3773
Cl53.77532.71941.82683.00804.75812.3773
H61.07332.31793.78574.75814.75814.3075
H73.27532.13501.09572.37732.37734.3075

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 178.810 C2 C1 H6 179.512
C2 C3 Cl4 110.787 C2 C3 Cl5 110.787
C2 C3 H7 111.958 Cl4 C3 Cl5 110.832
Cl4 C3 H7 106.150 Cl5 C3 H7 106.150
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.270      
2 C -0.209      
3 C -0.056      
4 Cl -0.063      
5 Cl -0.063      
6 H 0.412      
7 H 0.248      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.275 1.962 0.000 1.981
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.891 -2.813 0.000
y -2.813 -38.089 0.000
z 0.000 0.000 -43.353
Traceless
 xyz
x 3.830 -2.813 0.000
y -2.813 2.033 0.000
z 0.000 0.000 -5.863
Polar
3z2-r2-11.726
x2-y21.198
xy-2.813
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.880 -3.032 0.000
y -3.032 7.988 0.000
z 0.000 0.000 7.807


<r2> (average value of r2) Å2
<r2> 119.448
(<r2>)1/2 10.929