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

using model chemistry: mPW1PW91/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-1035.872225
Energy at 298.15K-1035.873343
HF Energy-1035.872225
Nuclear repulsion energy239.851296
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/aug-cc-pVDZ
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' 3503 3357 69.62      
2 A' 3162 3030 1.50      
3 A' 2253 2159 13.99      
4 A' 1253 1200 33.64      
5 A' 1023 981 50.11      
6 A' 710 680 39.10      
7 A' 646 619 26.92      
8 A' 459 440 5.86      
9 A' 270 259 0.35      
10 A' 198 189 2.74      
11 A" 1201 1151 16.22      
12 A" 752 721 185.85      
13 A" 659 631 15.67      
14 A" 453 434 0.02      
15 A" 144 138 1.41      

Unscaled Zero Point Vibrational Energy (zpe) 8342.8 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 7994.9 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/aug-cc-pVDZ
ABC
0.10593 0.09919 0.05349

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.664 1.984 0.000
C2 -0.735 1.211 0.000
C3 0.388 0.302 0.000
Cl4 0.388 -0.720 1.475
Cl5 0.388 -0.720 -1.475
H6 -2.487 2.667 0.000
H7 1.342 0.836 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.20852.65333.70163.70161.06953.2170
C21.20851.44482.67712.67712.27802.1102
C32.65331.44481.79491.79493.72281.0924
Cl43.70162.67711.79492.95004.68162.3466
Cl53.70162.67711.79492.95004.68162.3466
H61.06952.27803.72284.68164.68164.2436
H73.21702.11021.09242.34662.34664.2436

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 179.152 C2 C1 H6 179.889
C2 C3 Cl4 110.991 C2 C3 Cl5 110.991
C2 C3 H7 111.796 Cl4 C3 Cl5 110.530
Cl4 C3 H7 106.165 Cl5 C3 H7 106.165
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.617      
2 C 0.436      
3 C -0.771      
4 Cl 0.054      
5 Cl 0.054      
6 H -0.497      
7 H 0.107      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.276 1.833 0.000 1.854
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.484 -2.856 0.000
y -2.856 -39.578 0.000
z 0.000 0.000 -44.670
Traceless
 xyz
x 3.640 -2.856 0.000
y -2.856 1.999 0.000
z 0.000 0.000 -5.638
Polar
3z2-r2-11.276
x2-y21.094
xy-2.856
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.003 -2.415 0.000
y -2.415 9.893 0.000
z 0.000 0.000 9.700


<r2> (average value of r2) Å2
<r2> 191.814
(<r2>)1/2 13.850