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

using model chemistry: CCSD(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 CCSD(T)/6-31G*
 hartrees
Energy at 0K-1034.347335
Energy at 298.15K-1034.348058
HF Energy-1033.643730
Nuclear repulsion energy214.853470
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 CCSD(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' 3104 2986        
2 A' 2324 2236        
3 A' 1514 1457        
4 A' 1344 1293        
5 A' 1125 1083        
6 A' 743 715        
7 A' 627 603        
8 A' 366 352        
9 A' 231 222        
10 A' 92 88        
11 A" 3159 3039        
12 A" 1227 1180        
13 A" 939 904        
14 A" 181 174        
15 A" 171 164        

Unscaled Zero Point Vibrational Energy (zpe) 8573.0 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 8248.1 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 CCSD(T)/6-31G*
ABC
0.56980 0.03106 0.02962

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.191 0.230 0.000
C2 0.000 0.474 0.000
C3 -1.404 0.881 0.000
Cl4 2.791 -0.199 0.000
Cl5 -2.523 -0.534 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
C11.21622.67621.65573.79163.21573.2157
C21.21621.46212.87062.71672.11462.1146
C32.67621.46214.33171.80311.09471.0947
Cl41.65572.87064.33175.32384.81614.8161
Cl53.79162.71671.80315.32382.36732.3673
H63.21572.11461.09474.81612.36731.7815
H73.21572.11461.09474.81612.36731.7815

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 175.476 C2 C1 Cl4 176.618
C2 C3 Cl5 112.189 C2 C3 H6 110.775
C2 C3 H7 110.775 Cl5 C3 H6 107.007
Cl5 C3 H7 107.007 H6 C3 H7 108.914
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability