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

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-1034.313128
Energy at 298.15K-1034.314268
HF Energy-1033.643222
Nuclear repulsion energy240.196504
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 MP3/6-31G*
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' 3532 3315 54.37      
2 A' 3218 3020 0.76      
3 A' 2304 2163 18.29      
4 A' 1332 1250 29.52      
5 A' 1041 977 46.91      
6 A' 744 698 36.84      
7 A' 631 593 29.40      
8 A' 463 434 3.10      
9 A' 286 268 0.46      
10 A' 212 199 2.30      
11 A" 1310 1229 25.63      
12 A" 818 767 163.47      
13 A" 623 584 22.07      
14 A" 448 421 0.10      
15 A" 145 136 0.73      

Unscaled Zero Point Vibrational Energy (zpe) 8552.0 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 8026.9 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 MP3/6-31G*
ABC
0.10686 0.09868 0.05345

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.634 2.022 0.000
C2 -0.744 1.209 0.000
C3 0.385 0.288 0.000
Cl4 0.385 -0.725 1.470
Cl5 0.385 -0.725 -1.470
H6 -2.450 2.708 0.000
H7 1.326 0.833 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.20462.66053.71223.71221.06693.1893
C21.20461.45702.67912.67912.27102.1042
C32.66051.45701.78561.78563.72741.0875
Cl43.71222.67911.78562.94024.68902.3399
Cl53.71222.67911.78562.94024.68902.3399
H61.06692.27103.72744.68904.68904.2162
H73.18932.10421.08752.33992.33994.2162

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 176.777 C2 C1 H6 177.620
C2 C3 Cl4 111.021 C2 C3 Cl5 111.021
C2 C3 H7 110.742 Cl4 C3 Cl5 110.832
Cl4 C3 H7 106.520 Cl5 C3 H7 106.520
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability