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

using model chemistry: CISD/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CISD/6-311+G(3df,2p)
 hartrees
Energy at 0K-1034.463475
Energy at 298.15K-1034.464938
HF Energy-1033.748626
Nuclear repulsion energy242.701068
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 CISD/6-311+G(3df,2p)
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' 3576 3296 70.05      
2 A' 3259 3004 1.83      
3 A' 2335 2152 9.75      
4 A' 1358 1252 28.15      
5 A' 1053 971 41.58      
6 A' 778 718 49.15      
7 A' 759 700 9.02      
8 A' 495 456 4.28      
9 A' 293 270 0.31      
10 A' 226 209 3.02      
11 A" 1304 1202 22.59      
12 A" 853 786 149.57      
13 A" 782 721 25.79      
14 A" 506 467 1.79      
15 A" 162 149 1.20      

Unscaled Zero Point Vibrational Energy (zpe) 8869.2 cm-1
Scaled (by 0.9218) Zero Point Vibrational Energy (zpe) 8175.6 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 CISD/6-311+G(3df,2p)
ABC
0.10905 0.10081 0.05465

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.642 1.974 0.000
C2 -0.739 1.203 0.000
C3 0.386 0.289 0.000
Cl4 0.386 -0.714 1.454
Cl5 0.386 -0.714 -1.454
H6 -2.451 2.654 0.000
H7 1.315 0.832 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.18722.63653.66763.66761.05643.1704
C21.18721.44942.65622.65622.24362.0876
C32.63651.44941.76651.76653.69281.0769
Cl43.66762.65621.76652.90864.63692.3173
Cl53.66762.65621.76652.90864.63692.3173
H61.05642.24363.69284.63694.63694.1835
H73.17042.08761.07692.31732.31734.1835

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 178.658 C2 C1 H6 179.612
C2 C3 Cl4 110.989 C2 C3 Cl5 110.989
C2 C3 H7 110.586 Cl4 C3 Cl5 110.825
Cl4 C3 H7 106.638 Cl5 C3 H7 106.638
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability