return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CHCl2CCH (3,3-dichloropropyne)

using model chemistry: B2PLYP=FULL/aug-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 B2PLYP=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-1035.605396
Energy at 298.15K-1035.606590
HF Energy-1035.282129
Nuclear repulsion energy240.256666
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 B2PLYP=FULL/aug-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' 3483 3341 66.75      
2 A' 3160 3032 1.37      
3 A' 2195 2106 14.46      
4 A' 1286 1234 29.94      
5 A' 1014 973 49.19      
6 A' 712 683 42.92      
7 A' 684 656 18.18      
8 A' 462 443 5.64      
9 A' 269 258 0.26      
10 A' 210 202 2.92      
11 A" 1226 1176 17.99      
12 A" 744 714 178.04      
13 A" 690 662 13.88      
14 A" 465 446 0.00      
15 A" 152 146 1.26      

Unscaled Zero Point Vibrational Energy (zpe) 8375.6 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 8035.5 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 B2PLYP=FULL/aug-cc-pVTZ
ABC
0.10601 0.09972 0.05364

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.652 1.984 0.000
C2 -0.733 1.209 0.000
C3 0.386 0.303 0.000
Cl4 0.386 -0.720 1.475
Cl5 0.386 -0.720 -1.475
H6 -2.466 2.663 0.000
H7 1.331 0.830 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.20262.64243.69353.69351.05953.1991
C21.20261.44002.67342.67342.26212.0990
C32.64241.44001.79481.79483.70191.0818
Cl43.69352.67341.79482.94974.66392.3387
Cl53.69352.67341.79482.94974.66392.3387
H61.05952.26213.70194.66394.66394.2165
H73.19912.09901.08182.33872.33874.2165

picture of 3,3-dichloropropyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 178.794 C2 C1 H6 179.655
C2 C3 Cl4 110.995 C2 C3 Cl5 110.995
C2 C3 H7 111.900 Cl4 C3 Cl5 110.519
Cl4 C3 H7 106.112 Cl5 C3 H7 106.112
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability