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: TPSSh/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 TPSSh/aug-cc-pVTZ
 hartrees
Energy at 0K-1035.957301
Energy at 298.15K-1035.958436
HF Energy-1035.957301
Nuclear repulsion energy239.535249
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 TPSSh/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' 3464 3344 65.26      
2 A' 3134 3025 1.31      
3 A' 2215 2138 14.04      
4 A' 1265 1221 32.21      
5 A' 1004 969 55.50      
6 A' 704 679 59.50      
7 A' 678 655 8.02      
8 A' 453 437 7.48      
9 A' 260 251 0.24      
10 A' 209 202 3.20      
11 A" 1201 1159 16.89      
12 A" 711 686 205.99      
13 A" 685 661 5.50      
14 A" 454 438 0.68      
15 A" 151 146 1.38      

Unscaled Zero Point Vibrational Energy (zpe) 8294.3 cm-1
Scaled (by 0.9652) Zero Point Vibrational Energy (zpe) 8005.6 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 TPSSh/aug-cc-pVTZ
ABC
0.10498 0.09954 0.05334

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.652 1.985 0.000
C2 -0.734 1.211 0.000
C3 0.386 0.307 0.000
Cl4 0.386 -0.721 1.482
Cl5 0.386 -0.721 -1.482
H6 -2.468 2.667 0.000
H7 1.338 0.828 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.20072.63973.69793.69791.06353.2058
C21.20071.43912.68032.68032.26422.1070
C32.63971.43911.80401.80403.70321.0848
Cl43.69792.68031.80402.96444.67122.3455
Cl53.69792.68031.80402.96444.67122.3455
H61.06352.26423.70324.67124.67124.2271
H73.20582.10701.08482.34552.34554.2271

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 178.731 C2 C1 H6 179.667
C2 C3 Cl4 110.973 C2 C3 Cl5 110.973
C2 C3 H7 112.437 Cl4 C3 Cl5 110.492
Cl4 C3 H7 105.871 Cl5 C3 H7 105.871
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -1.022      
2 C 0.804      
3 C 0.339      
4 Cl -0.261      
5 Cl -0.261      
6 H 0.250      
7 H 0.149      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.292 1.856 0.000 1.879
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.212 -2.481 0.000
y -2.481 10.188 0.000
z 0.000 0.000 10.002


<r2> (average value of r2) Å2
<r2> 192.169
(<r2>)1/2 13.863