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

using model chemistry: MP2=FULL/3-21G

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=FULL/3-21G
 hartrees
Energy at 0K-1029.017254
Energy at 298.15K-1029.018282
HF Energy-1028.632486
Nuclear repulsion energy231.915568
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=FULL/3-21G
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' 3482 3325 50.70      
2 A' 3234 3088 0.47      
3 A' 2150 2053 37.08      
4 A' 1316 1257 22.25      
5 A' 1006 961 66.05      
6 A' 694 663 54.86      
7 A' 652 622 19.22      
8 A' 430 411 4.59      
9 A' 252 240 0.16      
10 A' 213 203 4.16      
11 A" 1208 1153 25.36      
12 A" 717 685 189.33      
13 A" 651 622 6.55      
14 A" 439 419 0.01      
15 A" 138 132 1.04      

Unscaled Zero Point Vibrational Energy (zpe) 8290.6 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 7915.9 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=FULL/3-21G
ABC
0.09728 0.09448 0.05006

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.664 2.051 0.000
C2 -0.747 1.244 0.000
C3 0.390 0.358 0.000
Cl4 0.390 -0.750 1.540
Cl5 0.390 -0.750 -1.540
H6 -2.490 2.724 0.000
H7 1.351 0.862 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.22132.66213.79983.79981.06493.2414
C21.22131.44192.76462.76462.28582.1329
C32.66211.44191.89721.89723.72701.0852
Cl43.79982.76461.89723.07934.76792.4279
Cl53.79982.76461.89723.07934.76792.4279
H61.06492.28583.72704.76794.76794.2683
H73.24142.13291.08522.42792.42794.2683

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 176.603 C2 C1 H6 177.858
C2 C3 Cl4 111.044 C2 C3 Cl5 111.044
C2 C3 H7 114.390 Cl4 C3 Cl5 108.497
Cl4 C3 H7 105.752 Cl5 C3 H7 105.752
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability