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: wB97X-D/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/6-31+G**
 hartrees
Energy at 0K-1035.757658
Energy at 298.15K-1035.758917
HF Energy-1035.757658
Nuclear repulsion energy239.696985
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 wB97X-D/6-31+G**
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' 3493 3326 65.73      
2 A' 3178 3026 0.97      
3 A' 2271 2163 14.60      
4 A' 1295 1233 31.18      
5 A' 1020 971 56.94      
6 A' 727 692 44.15      
7 A' 681 649 34.25      
8 A' 472 450 6.03      
9 A' 280 267 0.40      
10 A' 219 209 3.27      
11 A" 1247 1188 22.62      
12 A" 784 747 201.98      
13 A" 706 673 24.04      
14 A" 478 455 0.45      
15 A" 159 152 1.30      

Unscaled Zero Point Vibrational Energy (zpe) 8505.1 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 8099.4 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 wB97X-D/6-31+G**
ABC
0.10571 0.09901 0.05332

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.649 2.000 0.000
C2 -0.735 1.215 0.000
C3 0.386 0.295 0.000
Cl4 0.386 -0.723 1.477
Cl5 0.386 -0.723 -1.477
H6 -2.464 2.689 0.000
H7 1.333 0.832 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.20452.65463.70643.70641.06723.2025
C21.20451.45032.68252.68252.27162.1034
C32.65461.45031.79431.79433.72181.0889
Cl43.70642.68251.79432.95504.68452.3451
Cl53.70642.68251.79432.95504.68452.3451
H61.06722.27163.72184.68454.68454.2266
H73.20252.10341.08892.34512.34514.2266

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 178.711 C2 C1 H6 179.547
C2 C3 Cl4 111.093 C2 C3 Cl5 111.093
C2 C3 H7 111.066 Cl4 C3 Cl5 110.862
Cl4 C3 H7 106.259 Cl5 C3 H7 106.259
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.022      
2 C -0.211      
3 C -0.310      
4 Cl -0.016      
5 Cl -0.016      
6 H 0.258      
7 H 0.274      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.257 2.003 0.000 2.019
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.457 -2.969 0.000
y -2.969 -39.543 0.000
z 0.000 0.000 -45.014
Traceless
 xyz
x 3.821 -2.969 0.000
y -2.969 2.193 0.000
z 0.000 0.000 -6.014
Polar
3z2-r2-12.028
x2-y21.086
xy-2.969
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.789 -2.452 0.000
y -2.452 8.663 0.000
z 0.000 0.000 8.322


<r2> (average value of r2) Å2
<r2> 192.265
(<r2>)1/2 13.866