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All results from a given calculation for CH2ClCCCl (1,3-dichloropropyne)

using model chemistry: QCISD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/6-31G*
 hartrees
Energy at 0K-1034.323786
Energy at 298.15K-1034.324628
HF Energy-1033.644677
Nuclear repulsion energy215.300830
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 QCISD/6-31G*
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' 3123 2974 10.78      
2 A' 2368 2255 54.75      
3 A' 1524 1451 0.81      
4 A' 1357 1292 55.31      
5 A' 1134 1080 0.87      
6 A' 758 722 55.12      
7 A' 633 603 19.41      
8 A' 379 361 0.44      
9 A' 241 229 0.26      
10 A' 94 89 1.12      
11 A" 3177 3026 1.82      
12 A" 1238 1179 0.39      
13 A" 947 902 0.40      
14 A" 225 215 0.62      
15 A" 177 169 5.10      

Unscaled Zero Point Vibrational Energy (zpe) 8687.4 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 8273.0 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 QCISD/6-31G*
ABC
0.56952 0.03123 0.02977

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.183 0.225 0.000
C2 0.000 0.481 0.000
C3 -1.407 0.876 0.000
Cl4 2.785 -0.188 0.000
Cl5 -2.513 -0.543 0.000
H6 -1.643 1.466 0.889
H7 -1.643 1.466 -0.889

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.21062.67101.65443.77463.21263.2126
C21.21061.46162.86452.71342.11232.1123
C32.67101.46164.32541.79851.09321.0932
Cl41.65442.86454.32545.30984.81034.8103
Cl53.77462.71341.79855.30982.36302.3630
H63.21262.11231.09324.81032.36301.7784
H73.21262.11231.09324.81032.36301.7784

picture of 1,3-dichloropropyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 176.569 C2 C1 Cl4 177.796
C2 C3 Cl5 112.260 C2 C3 H6 110.712
C2 C3 H7 110.712 Cl5 C3 H6 107.068
Cl5 C3 H7 107.068 H6 C3 H7 108.851
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability