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

using model chemistry: CCSD(T)/aug-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)/aug-cc-pVDZ
 hartrees
Energy at 0K-1034.466484
Energy at 298.15K-1034.467222
HF Energy-1033.702144
Nuclear repulsion energy213.262181
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)/aug-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' 3086 2970        
2 A' 2279 2194        
3 A' 1452 1398        
4 A' 1276 1228        
5 A' 1109 1067        
6 A' 705 679        
7 A' 613 590        
8 A' 356 343        
9 A' 245 236        
10 A' 79 76        
11 A" 3148 3030        
12 A" 1178 1134        
13 A" 904 870        
14 A" 228 219        
15 A" 152 146        

Unscaled Zero Point Vibrational Energy (zpe) 8405.1 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 8089.9 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)/aug-cc-pVDZ
ABC
0.55107 0.03073 0.02928

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.196 0.210 0.000
C2 0.000 0.490 0.000
C3 -1.408 0.913 0.000
Cl4 2.806 -0.226 0.000
Cl5 -2.537 -0.520 0.000
H6 -1.647 1.497 0.902
H7 -1.647 1.497 -0.902

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.22812.69761.66823.80393.24783.2478
C21.22811.47072.89592.73082.13042.1304
C32.69761.47074.36571.82431.10021.1002
Cl41.66822.89594.36575.35154.85874.8587
Cl53.80392.73081.82435.35152.38192.3819
H63.24782.13041.10024.85872.38191.8036
H73.24782.13041.10024.85872.38191.8036

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 176.432 C2 C1 Cl4 178.022
C2 C3 Cl5 111.494 C2 C3 H6 111.099
C2 C3 H7 111.099 Cl5 C3 H6 106.421
Cl5 C3 H7 106.421 H6 C3 H7 110.105
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability