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

using model chemistry: QCISD/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/6-31G**
 hartrees
Energy at 0K-1034.339602
Energy at 298.15K-1034.340462
HF Energy-1033.648060
Nuclear repulsion energy215.414234
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/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' 3161 2976 12.65      
2 A' 2369 2230 56.52      
3 A' 1530 1440 0.23      
4 A' 1362 1282 62.81      
5 A' 1135 1068 0.78      
6 A' 759 715 54.63      
7 A' 633 596 19.55      
8 A' 380 358 0.47      
9 A' 240 226 0.24      
10 A' 94 88 1.04      
11 A" 3220 3032 2.52      
12 A" 1244 1171 0.44      
13 A" 948 893 0.17      
14 A" 228 215 0.59      
15 A" 178 167 4.80      

Unscaled Zero Point Vibrational Energy (zpe) 8739.6 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 8227.5 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/6-31G**
ABC
0.57002 0.03125 0.02979

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.182 0.224 0.000
C2 0.000 0.484 0.000
C3 -1.408 0.875 0.000
Cl4 2.785 -0.187 0.000
Cl5 -2.512 -0.543 0.000
H6 -1.642 1.462 0.885
H7 -1.642 1.462 -0.885

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.21052.67071.65423.77253.20863.2086
C21.21051.46122.86432.71352.10652.1065
C32.67071.46124.32501.79711.08751.0875
Cl41.65422.86434.32505.30804.80654.8065
Cl53.77252.71351.79715.30802.35792.3579
H63.20862.10651.08754.80652.35791.7696
H73.20862.10651.08754.80652.35791.7696

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 176.897 C2 C1 Cl4 178.029
C2 C3 Cl5 112.369 C2 C3 H6 110.628
C2 C3 H7 110.628 Cl5 C3 H6 107.073
Cl5 C3 H7 107.073 H6 C3 H7 108.907
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability