return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: CCD/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/6-311G**
 hartrees
Energy at 0K-1034.437981
Energy at 298.15K-1034.439257
HF Energy-1033.721083
Nuclear repulsion energy240.376007
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 CCD/6-311G**
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' 3498 3341 56.39      
2 A' 3182 3039 1.74      
3 A' 2238 2137 15.02      
4 A' 1314 1255 37.03      
5 A' 1029 982 41.13      
6 A' 745 711 47.10      
7 A' 706 674 6.90      
8 A' 462 441 3.59      
9 A' 292 279 0.46      
10 A' 215 205 3.35      
11 A" 1307 1248 27.14      
12 A" 824 787 167.23      
13 A" 707 676 11.64      
14 A" 456 436 2.46      
15 A" 147 140 1.42      

Unscaled Zero Point Vibrational Energy (zpe) 8560.2 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 8175.8 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 CCD/6-311G**
ABC
0.10694 0.09888 0.05351

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.634 2.020 0.000
C2 -0.747 1.204 0.000
C3 0.385 0.284 0.000
Cl4 0.385 -0.724 1.470
Cl5 0.385 -0.724 -1.470
H6 -2.441 2.716 0.000
H7 1.319 0.841 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.20572.66283.71023.71021.06603.1795
C21.20571.45842.67502.67502.27142.0975
C32.66281.45841.78211.78213.72881.0878
Cl43.71022.67501.78212.93974.68852.3414
Cl53.71022.67501.78212.93974.68852.3414
H61.06602.27143.72884.68854.68854.2018
H73.17952.09751.08782.34142.34144.2018

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 176.438 C2 C1 H6 178.112
C2 C3 Cl4 110.887 C2 C3 Cl5 110.887
C2 C3 H7 110.081 Cl4 C3 Cl5 111.138
Cl4 C3 H7 106.843 Cl5 C3 H7 106.843
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability