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

using model chemistry: CCSD(T)/cc-pVDZ

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)/cc-pVDZ
 hartrees
Energy at 0K-1034.419398
Energy at 298.15K-1034.420424
HF Energy-1033.694274
Nuclear repulsion energy213.802797
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)/cc-pVDZ
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' 3098 3032        
2 A' 2297 2248        
3 A' 1465 1434        
4 A' 1293 1266        
5 A' 1118 1094        
6 A' 736 720        
7 A' 622 609        
8 A' 406 397        
9 A' 272 267        
10 A' 93 91        
11 A" 3159 3092        
12 A" 1195 1169        
13 A" 912 893        
14 A" 321 314        
15 A" 177 174        

Unscaled Zero Point Vibrational Energy (zpe) 8581.8 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 8399.9 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 CCSD(T)/cc-pVDZ
ABC
0.55148 0.03091 0.02943

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.191 0.206 0.000
C2 0.000 0.502 0.000
C3 -1.414 0.903 0.000
Cl4 2.800 -0.219 0.000
Cl5 -2.526 -0.526 0.000
H6 -1.652 1.497 0.898
H7 -1.652 1.497 -0.898

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.22682.69641.66423.78843.24853.2485
C21.22681.47002.89092.72752.12732.1273
C32.69641.47004.36061.81111.10261.1026
Cl41.66422.89094.36065.33494.85454.8545
Cl53.78842.72751.81115.33492.37992.3799
H63.24852.12731.10264.85452.37991.7963
H73.24852.12731.10264.85452.37991.7963

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 178.115 C2 C1 Cl4 179.175
C2 C3 Cl5 112.047 C2 C3 H6 110.758
C2 C3 H7 110.758 Cl5 C3 H6 107.008
Cl5 C3 H7 107.008 H6 C3 H7 109.100
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability