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

using model chemistry: TPSSh/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 TPSSh/3-21G*
 hartrees
Energy at 0K-1031.021128
Energy at 298.15K-1031.022319
HF Energy-1031.021128
Nuclear repulsion energy237.460103
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/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' 3483 3364 52.72      
2 A' 3155 3047 0.82      
3 A' 2231 2155 27.10      
4 A' 1301 1256 17.39      
5 A' 987 953 72.75      
6 A' 751 725 46.99      
7 A' 677 654 34.81      
8 A' 458 442 8.99      
9 A' 265 256 0.40      
10 A' 220 213 4.14      
11 A" 1219 1177 15.99      
12 A" 755 729 37.87      
13 A" 680 657 209.69      
14 A" 468 452 4.02      
15 A" 158 152 1.54      

Unscaled Zero Point Vibrational Energy (zpe) 8403.6 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 8115.4 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 TPSSh/3-21G*
ABC
0.10293 0.09820 0.05253

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.676 1.984 0.000
C2 -0.743 1.216 0.000
C3 0.392 0.326 0.000
Cl4 0.392 -0.725 1.496
Cl5 0.392 -0.725 -1.496
H6 -2.504 2.651 0.000
H7 1.342 0.858 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.20852.65043.72213.72211.06353.2210
C21.20851.44222.70092.70092.27192.1152
C32.65041.44221.82841.82843.71391.0893
Cl43.72212.70091.82842.99184.69322.3769
Cl53.72212.70091.82842.99184.69322.3769
H61.06352.27193.71394.69324.69324.2433
H73.22102.11521.08932.37692.37694.2433

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 178.678 C2 C1 H6 179.427
C2 C3 Cl4 110.792 C2 C3 Cl5 110.792
C2 C3 H7 112.609 Cl4 C3 Cl5 109.799
Cl4 C3 H7 106.328 Cl5 C3 H7 106.328
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.320      
2 C 0.176      
3 C -0.575      
4 Cl 0.040      
5 Cl 0.040      
6 H 0.300      
7 H 0.340      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.370 2.222 0.000 2.253
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 6.165 -2.797 0.000
y -2.797 7.106 0.000
z 0.000 0.000 7.031


<r2> (average value of r2) Å2
<r2> 194.740
(<r2>)1/2 13.955