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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-1034.299254
Energy at 298.15K-1034.300333
HF Energy-1033.645001
Nuclear repulsion energy240.231203
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' 3540 3315 61.48      
2 A' 3218 3014 1.13      
3 A' 2168 2031 24.95      
4 A' 1320 1237 35.68      
5 A' 1035 969 50.95      
6 A' 739 692 36.22      
7 A' 613 574 26.06      
8 A' 452 424 3.47      
9 A' 284 266 0.53      
10 A' 201 188 1.92      
11 A" 1299 1216 27.60      
12 A" 808 756 170.94      
13 A" 604 566 19.03      
14 A" 433 406 0.00      
15 A" 139 131 0.67      

Unscaled Zero Point Vibrational Energy (zpe) 8426.7 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 7891.6 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 MP2/6-31G**
ABC
0.10713 0.09847 0.05344

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 -1.631 2.035 0.000
C2 -0.737 1.205 0.000
C3 0.383 0.286 0.000
Cl4 0.383 -0.727 1.468
Cl5 0.383 -0.727 -1.468
H6 -2.442 2.723 0.000
H7 1.327 0.823 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.22002.66813.72033.72031.06313.1969
C21.22001.44932.67272.67272.28262.0990
C32.66811.44931.78351.78353.73121.0860
Cl43.72032.67271.78352.93704.69442.3341
Cl53.72032.67271.78352.93704.69442.3341
H61.06312.28263.73124.69444.69444.2205
H73.19692.09901.08602.33412.33414.2205

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 176.531 C2 C1 H6 177.498
C2 C3 Cl4 111.106 C2 C3 Cl5 111.106
C2 C3 H7 110.956 Cl4 C3 Cl5 110.844
Cl4 C3 H7 106.310 Cl5 C3 H7 106.310
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability