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

using model chemistry: MP2/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/SDD
 hartrees
Energy at 0K-1033.920410
Energy at 298.15K-1033.921414
HF Energy-1033.544562
Nuclear repulsion energy230.527264
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 MP2/SDD
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' 3475 3354 40.17      
2 A' 3193 3083 3.32      
3 A' 2084 2012 26.30      
4 A' 1294 1249 27.33      
5 A' 998 963 59.91      
6 A' 671 647 71.84      
7 A' 657 634 7.52      
8 A' 429 414 5.06      
9 A' 253 244 0.21      
10 A' 197 191 2.88      
11 A" 1237 1194 16.18      
12 A" 707 682 143.58      
13 A" 663 640 32.45      
14 A" 450 435 0.08      
15 A" 147 142 0.99      

Unscaled Zero Point Vibrational Energy (zpe) 8227.1 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 7941.6 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 MP2/SDD
ABC
0.09626 0.09309 0.04943

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.703 2.054 0.000
C2 -0.748 1.257 0.000
C3 0.397 0.342 0.000
Cl4 0.397 -0.750 1.548
Cl5 0.397 -0.750 -1.548
H6 -2.528 2.737 0.000
H7 1.361 0.858 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.24402.70913.82973.82971.07133.2894
C21.24401.46532.78112.78112.31522.1464
C32.70911.46531.89431.89433.78041.0943
Cl43.82972.78111.89433.09554.80752.4320
Cl53.82972.78111.89433.09554.80752.4320
H61.07132.31523.78044.80754.80754.3194
H73.28942.14641.09432.43202.43204.3194

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 178.832 C2 C1 H6 179.841
C2 C3 Cl4 111.106 C2 C3 Cl5 111.106
C2 C3 H7 113.185 Cl4 C3 Cl5 109.579
Cl4 C3 H7 105.794 Cl5 C3 H7 105.794
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability