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

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-1035.817804
Energy at 298.15K-1035.819004
HF Energy-1035.817804
Nuclear repulsion energy239.962281
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 mPW1PW91/6-31+G**
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' 3506 3337 71.24      
2 A' 3170 3017 1.12      
3 A' 2257 2148 14.98      
4 A' 1282 1221 31.95      
5 A' 1023 973 57.87      
6 A' 719 685 49.05      
7 A' 667 635 30.98      
8 A' 466 444 6.63      
9 A' 276 263 0.39      
10 A' 215 205 3.16      
11 A" 1242 1182 20.43      
12 A" 760 723 216.71      
13 A" 680 647 18.92      
14 A" 470 447 0.03      
15 A" 156 148 1.37      

Unscaled Zero Point Vibrational Energy (zpe) 8444.7 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 8037.7 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 mPW1PW91/6-31+G**
ABC
0.10586 0.09930 0.05343

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.640 2.004 0.000
C2 -0.730 1.213 0.000
C3 0.383 0.293 0.000
Cl4 0.383 -0.723 1.477
Cl5 0.383 -0.723 -1.477
H6 -2.452 2.695 0.000
H7 1.334 0.824 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.20612.65003.70303.70301.06613.1994
C21.20611.44412.67742.67742.27232.0996
C32.65001.44411.79251.79253.71611.0888
Cl43.70302.67741.79252.95344.68012.3406
Cl53.70302.67741.79252.95344.68012.3406
H61.06612.27233.71614.68014.68014.2229
H73.19942.09961.08882.34062.34064.2229

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 178.627 C2 C1 H6 179.442
C2 C3 Cl4 111.173 C2 C3 Cl5 111.173
C2 C3 H7 111.207 Cl4 C3 Cl5 110.938
Cl4 C3 H7 106.060 Cl5 C3 H7 106.060
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.181      
2 C -0.024      
3 C -0.307      
4 Cl -0.013      
5 Cl -0.013      
6 H 0.253      
7 H 0.285      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.270 1.983 0.000 2.002
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.507 -2.967 0.000
y -2.967 -39.524 0.000
z 0.000 0.000 -44.986
Traceless
 xyz
x 3.748 -2.967 0.000
y -2.967 2.222 0.000
z 0.000 0.000 -5.971
Polar
3z2-r2-11.942
x2-y21.017
xy-2.967
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.820 -2.565 0.000
y -2.565 8.782 0.000
z 0.000 0.000 8.396


<r2> (average value of r2) Å2
<r2> 191.918
(<r2>)1/2 13.853