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

using model chemistry: MP2/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-1034.284112
Energy at 298.15K-1034.285149
HF Energy-1033.641251
Nuclear repulsion energy240.157776
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 MP2/6-31G*
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' 3518 3318 59.58      
2 A' 3198 3016 0.72      
3 A' 2168 2045 26.02      
4 A' 1323 1248 32.69      
5 A' 1035 976 51.71      
6 A' 741 699 36.42      
7 A' 606 571 30.09      
8 A' 454 428 3.66      
9 A' 284 268 0.52      
10 A' 205 193 2.09      
11 A" 1305 1231 25.72      
12 A" 805 759 173.55      
13 A" 584 550 20.73      
14 A" 422 398 0.15      
15 A" 135 127 0.63      

Unscaled Zero Point Vibrational Energy (zpe) 8391.7 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 7913.4 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 MP2/6-31G*
ABC
0.10714 0.09841 0.05343

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.630 2.037 0.000
C2 -0.741 1.202 0.000
C3 0.384 0.288 0.000
Cl4 0.384 -0.727 1.468
Cl5 0.384 -0.727 -1.468
H6 -2.450 2.720 0.000
H7 1.330 0.828 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.21962.66723.72133.72131.06733.1973
C21.21961.44932.67222.67222.28592.1044
C32.66721.44931.78471.78473.73431.0896
Cl43.72132.67221.78472.93674.69752.3384
Cl53.72132.67221.78472.93674.69752.3384
H61.06732.28593.73434.69754.69754.2269
H73.19732.10441.08962.33842.33844.2269

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 175.910 C2 C1 H6 176.631
C2 C3 Cl4 111.011 C2 C3 Cl5 111.011
C2 C3 H7 111.177 Cl4 C3 Cl5 110.719
Cl4 C3 H7 106.366 Cl5 C3 H7 106.366
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability