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All results from a given calculation for CHCl2CCH (3,3-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-1034.323942
Energy at 298.15K-1034.325028
HF Energy-1033.642340
Nuclear repulsion energy239.743559
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' 3491 3324 48.74      
2 A' 3177 3025 1.32      
3 A' 2238 2131 18.77      
4 A' 1323 1260 29.81      
5 A' 1029 980 47.14      
6 A' 737 701 34.68      
7 A' 614 584 28.92      
8 A' 457 435 2.88      
9 A' 283 270 0.46      
10 A' 208 199 2.13      
11 A" 1299 1237 26.65      
12 A" 808 769 164.64      
13 A" 605 577 20.86      
14 A" 440 419 0.03      
15 A" 142 135 0.71      

Unscaled Zero Point Vibrational Energy (zpe) 8425.0 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 8023.1 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
0.10662 0.09817 0.05325

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 -1.637 2.030 0.000
C2 -0.745 1.210 0.000
C3 0.385 0.288 0.000
Cl4 0.385 -0.727 1.472
Cl5 0.385 -0.727 -1.472
H6 -2.455 2.719 0.000
H7 1.330 0.834 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.21162.66933.72263.72261.06953.1989
C21.21161.45892.68262.68262.28062.1085
C32.66931.45891.78781.78783.73881.0905
Cl43.72262.68261.78782.94364.70212.3437
Cl53.72262.68261.78782.94364.70212.3437
H61.06952.28063.73884.70214.70214.2285
H73.19892.10851.09052.34372.34374.2285

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 176.624 C2 C1 H6 177.515
C2 C3 Cl4 111.030 C2 C3 Cl5 111.030
C2 C3 H7 110.773 Cl4 C3 Cl5 110.818
Cl4 C3 H7 106.501 Cl5 C3 H7 106.501
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability