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

using model chemistry: CID/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CID/3-21G
 hartrees
Energy at 0K-1028.971147
Energy at 298.15K-1028.972655
HF Energy-1028.631488
Nuclear repulsion energy210.881423
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 CID/3-21G
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' 3198 2980 3.29      
2 A' 2454 2287 38.82      
3 A' 1572 1465 2.07      
4 A' 1348 1256 41.27      
5 A' 1097 1022 14.11      
6 A' 751 700 30.35      
7 A' 627 584 37.71      
8 A' 539 502 6.18      
9 A' 323 301 0.86      
10 A' 102 95 1.38      
11 A" 3262 3039 0.01      
12 A" 1281 1193 0.01      
13 A" 930 867 0.97      
14 A" 595 554 0.12      
15 A" 206 192 6.93      

Unscaled Zero Point Vibrational Energy (zpe) 9142.7 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 8517.4 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 CID/3-21G
ABC
0.50232 0.03050 0.02891

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.157 0.228 0.000
C2 0.000 0.536 0.000
C3 -1.392 0.954 0.000
Cl4 2.826 -0.224 0.000
Cl5 -2.548 -0.559 0.000
H6 -1.656 1.508 0.896
H7 -1.656 1.508 -0.896

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.19762.65091.72873.78783.21773.2177
C21.19761.45362.92622.77342.11862.1186
C32.65091.45364.37941.90391.08591.0859
Cl41.72872.92624.37945.38414.88734.8873
Cl53.78782.77341.90395.38412.42322.4232
H63.21772.11861.08594.88732.42321.7921
H73.21772.11861.08594.88732.42321.7921

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 178.216 C2 C1 Cl4 179.768
C2 C3 Cl5 110.668 C2 C3 H6 112.266
C2 C3 H7 112.266 Cl5 C3 H6 104.965
Cl5 C3 H7 104.965 H6 C3 H7 111.214
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability