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

using model chemistry: QCISD(T)/cc-pVTZ

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)/cc-pVTZ
 hartrees
Energy at 0K-1034.686666
Energy at 298.15K-1034.687751
HF Energy-1033.761097
Nuclear repulsion energy215.887092
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)/cc-pVTZ
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' 3095 2936        
2 A' 2298 2180        
3 A' 1482 1406        
4 A' 1297 1230        
5 A' 1115 1057        
6 A' 736 698        
7 A' 621 589        
8 A' 424 402        
9 A' 282 268        
10 A' 91 86        
11 A" 3149 2987        
12 A" 1203 1141        
13 A" 922 874        
14 A" 344 326        
15 A" 177 168        

Unscaled Zero Point Vibrational Energy (zpe) 8616.9 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 8174.0 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)/cc-pVTZ
ABC
0.54297 0.03172 0.03014

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.172 0.216 0.000
C2 0.000 0.521 0.000
C3 -1.408 0.899 0.000
Cl4 2.766 -0.206 0.000
Cl5 -2.488 -0.546 0.000
H6 -1.656 1.477 0.888
H7 -1.656 1.477 -0.888

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.21072.66811.64913.73783.22033.2203
C21.21071.45752.85982.70692.10762.1076
C32.66811.45754.31721.80391.08781.0878
Cl41.64912.85984.31725.26464.81334.8133
Cl53.73782.70691.80395.26462.36022.3602
H63.22032.10761.08784.81332.36021.7756
H73.22032.10761.08784.81332.36021.7756

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 179.583 C2 C1 Cl4 179.788
C2 C3 Cl5 111.761 C2 C3 H6 110.965
C2 C3 H7 110.965 Cl5 C3 H6 106.783
Cl5 C3 H7 106.783 H6 C3 H7 109.403
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability