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

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CBS-Q
 hartrees
Energy at 0K-1034.731029
Energy at 298.15K-1034.724687
HF Energy-1033.644310
Nuclear repulsion energy240.917421
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 CBS-Q
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3651 3651 59.40      
2 A' 3350 3350 1.51      
3 A' 2429 2429 19.77      
4 A' 1415 1415 39.28      
5 A' 1073 1073 60.94      
6 A' 799 799 59.13      
7 A' 771 771 10.68      
8 A' 504 504 5.26      
9 A' 300 300 0.26      
10 A' 237 237 3.23      
11 A" 1367 1367 37.89      
12 A" 860 860 212.01      
13 A" 806 806 14.35      
14 A" 520 520 0.76      
15 A" 169 169 1.01      

Unscaled Zero Point Vibrational Energy (zpe) 9125.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9125.6 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 CBS-Q
ABC
0.10683 0.09813 0.05331

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.631 2.005 0.000
C2 -0.740 1.221 0.000
C3 0.384 0.290 0.000
Cl4 0.384 -0.724 1.466
Cl5 0.384 -0.724 -1.466
H6 -2.434 2.697 0.000
H7 1.320 0.824 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.18692.64573.69543.69541.05993.1784
C21.18691.45912.68222.68222.24682.0979
C32.64571.45911.78261.78263.70561.0776
Cl43.69542.68221.78262.93214.66812.3283
Cl53.69542.68221.78262.93214.66812.3283
H61.05992.24683.70564.66814.66814.1950
H73.17842.09791.07762.32832.32834.1950

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 178.251 C2 C1 H6 179.382
C2 C3 Cl4 111.274 C2 C3 Cl5 111.274
C2 C3 H7 110.687 Cl4 C3 Cl5 110.659
Cl4 C3 H7 106.362 Cl5 C3 H7 106.362
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability