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: B3LYP/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/6-31G**
 hartrees
Energy at 0K-1035.830917
Energy at 298.15K-1035.831919
HF Energy-1035.830917
Nuclear repulsion energy215.064184
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 B3LYP/6-31G**
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' 3091 2970 9.95      
2 A' 2353 2261 98.13      
3 A' 1482 1424 1.05      
4 A' 1295 1244 67.63      
5 A' 1123 1079 0.57      
6 A' 688 661 78.15      
7 A' 625 600 36.14      
8 A' 412 396 2.02      
9 A' 272 261 0.60      
10 A' 94 91 1.05      
11 A" 3144 3021 1.11      
12 A" 1194 1147 0.11      
13 A" 916 880 0.81      
14 A" 313 301 0.34      
15 A" 185 177 5.42      

Unscaled Zero Point Vibrational Energy (zpe) 8593.3 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 8256.4 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 B3LYP/6-31G**
ABC
0.54303 0.03142 0.02987

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.174 0.239 0.000
C2 0.000 0.521 0.000
C3 -1.404 0.871 0.000
Cl4 2.778 -0.149 0.000
Cl5 -2.499 -0.597 0.000
H6 -1.674 1.445 0.889
H7 -1.674 1.445 -0.889

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.20752.65491.64953.76773.21863.2186
C21.20751.44752.85712.73792.10912.1091
C32.65491.44754.30451.83171.09181.0918
Cl41.64952.85714.30455.29594.81154.8115
Cl53.76772.73791.83175.29592.37522.3752
H63.21862.10911.09184.81152.37521.7772
H73.21862.10911.09184.81152.37521.7772

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 179.448 C2 C1 Cl4 179.861
C2 C3 Cl5 112.691 C2 C3 H6 111.554
C2 C3 H7 111.554 Cl5 C3 H6 105.877
Cl5 C3 H7 105.877 H6 C3 H7 108.955
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.256      
2 C 0.261      
3 C -0.426      
4 Cl 0.109      
5 Cl -0.064      
6 H 0.187      
7 H 0.187      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.719 1.710 0.000 1.855
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.708 -3.931 0.000
y -3.931 -40.382 0.000
z 0.000 0.000 -41.860
Traceless
 xyz
x -0.587 -3.931 0.000
y -3.931 1.401 0.000
z 0.000 0.000 -0.814
Polar
3z2-r2-1.629
x2-y2-1.326
xy-3.931
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.943 -0.256 0.000
y -0.256 5.352 0.000
z 0.000 0.000 3.947


<r2> (average value of r2) Å2
<r2> 307.583
(<r2>)1/2 17.538