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 CH2ClCCCl (1,3-dichloropropyne)

using model chemistry: PBEPBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-311G**
 hartrees
Energy at 0K-1035.362298
Energy at 298.15K-1035.363130
HF Energy-1035.362298
Nuclear repulsion energy215.117192
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 PBEPBE/6-311G**
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' 3008 2981 10.21      
2 A' 2272 2252 121.65      
3 A' 1413 1400 2.75      
4 A' 1243 1232 56.38      
5 A' 1118 1108 0.66      
6 A' 657 651 98.60      
7 A' 615 609 31.53      
8 A' 377 373 3.50      
9 A' 265 262 1.41      
10 A' 86 85 1.19      
11 A" 3057 3029 0.69      
12 A" 1149 1139 0.66      
13 A" 874 866 1.57      
14 A" 259 257 0.07      
15 A" 173 171 8.42      

Unscaled Zero Point Vibrational Energy (zpe) 8282.7 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 8207.4 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 PBEPBE/6-311G**
ABC
0.54229 0.03146 0.02990

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.180 0.235 0.000
C2 0.000 0.520 0.000
C3 -1.396 0.877 0.000
Cl4 2.774 -0.159 0.000
Cl5 -2.502 -0.588 0.000
H6 -1.667 1.453 0.895
H7 -1.667 1.453 -0.895

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.21432.65521.64143.77303.22413.2241
C21.21431.44092.85572.73602.11012.1101
C32.65521.44094.29661.83571.09861.0986
Cl41.64142.85574.29665.29294.80894.8089
Cl53.77302.73601.83575.29292.37992.3799
H63.22412.11011.09864.80892.37991.7908
H73.22412.11011.09864.80892.37991.7908

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 179.203 C2 C1 Cl4 179.669
C2 C3 Cl5 112.677 C2 C3 H6 111.674
C2 C3 H7 111.674 Cl5 C3 H6 105.638
Cl5 C3 H7 105.638 H6 C3 H7 109.181
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.273      
2 C 0.369      
3 C -0.397      
4 Cl -0.040      
5 Cl -0.074      
6 H 0.208      
7 H 0.208      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.944 1.659 0.000 1.909
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.797 -4.041 0.000
y -4.041 -41.295 0.000
z 0.000 0.000 -42.851
Traceless
 xyz
x 0.276 -4.041 0.000
y -4.041 1.029 0.000
z 0.000 0.000 -1.305
Polar
3z2-r2-2.610
x2-y2-0.502
xy-4.041
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 14.480 -0.248 0.000
y -0.248 5.764 0.000
z 0.000 0.000 4.049


<r2> (average value of r2) Å2
<r2> 307.733
(<r2>)1/2 17.542