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All results from a given calculation for CH2ClCCCl (1,3-dichloropropyne)

using model chemistry: QCISD(T)/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 QCISD(T)/6-31G*
 hartrees
Energy at 0K-1034.348077
Energy at 298.15K-1034.348796
HF Energy-1033.643641
Nuclear repulsion energy214.804715
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 QCISD(T)/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' 3103 2976        
2 A' 2320 2226        
3 A' 1514 1452        
4 A' 1343 1288        
5 A' 1125 1079        
6 A' 742 712        
7 A' 627 601        
8 A' 365 350        
9 A' 231 222        
10 A' 91 88        
11 A" 3158 3029        
12 A" 1226 1176        
13 A" 939 901        
14 A" 180 173        
15 A" 170 163        

Unscaled Zero Point Vibrational Energy (zpe) 8566.8 cm-1
Scaled (by 0.9593) Zero Point Vibrational Energy (zpe) 8218.2 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 QCISD(T)/6-31G*
ABC
0.57022 0.03104 0.02960

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.192 0.229 0.000
C2 0.000 0.473 0.000
C3 -1.404 0.881 0.000
Cl4 2.791 -0.199 0.000
Cl5 -2.524 -0.533 0.000
H6 -1.637 1.473 0.891
H7 -1.637 1.473 -0.891

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.21672.67681.65593.79323.21603.2160
C21.21671.46222.87132.71712.11482.1148
C32.67681.46224.33251.80351.09481.0948
Cl41.65592.87134.33255.32574.81674.8167
Cl53.79322.71711.80355.32572.36762.3676
H63.21602.11481.09484.81672.36761.7817
H73.21602.11481.09484.81672.36761.7817

picture of 1,3-dichloropropyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 175.391 C2 C1 Cl4 176.564
C2 C3 Cl5 112.191 C2 C3 H6 110.778
C2 C3 H7 110.778 Cl5 C3 H6 107.000
Cl5 C3 H7 107.000 H6 C3 H7 108.921
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability