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

using model chemistry: MP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-1029.003408
Energy at 298.15K-1029.004430
HF Energy-1028.632443
Nuclear repulsion energy231.886337
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 MP2/3-21G
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 3324 50.68      
2 A' 3234 3087 0.47      
3 A' 2149 2051 37.15      
4 A' 1316 1256 22.30      
5 A' 1005 960 66.26      
6 A' 692 661 56.30      
7 A' 651 621 17.92      
8 A' 430 410 4.60      
9 A' 251 240 0.15      
10 A' 212 202 4.17      
11 A" 1209 1154 25.39      
12 A" 716 684 190.13      
13 A" 650 620 6.15      
14 A" 438 418 0.01      
15 A" 137 131 1.06      

Unscaled Zero Point Vibrational Energy (zpe) 8285.8 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 7908.8 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 MP2/3-21G
ABC
0.09724 0.09446 0.05005

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.665 2.051 0.000
C2 -0.747 1.245 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
C11.22152.66273.80033.80031.06503.2419
C21.22151.44232.76502.76502.28612.1331
C32.66271.44231.89721.89723.72761.0853
Cl43.80032.76501.89723.07994.76852.4278
Cl53.80032.76501.89723.07994.76852.4278
H61.06502.28613.72764.76854.76854.2689
H73.24192.13311.08532.42782.42784.2689

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 176.632 C2 C1 H6 177.876
C2 C3 Cl4 111.051 C2 C3 Cl5 111.051
C2 C3 H7 114.374 Cl4 C3 Cl5 108.526
Cl4 C3 H7 105.740 Cl5 C3 H7 105.740
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability