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: BLYP/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 BLYP/6-31G*
 hartrees
Energy at 0K-1035.744212
Energy at 298.15K-1035.745053
HF Energy-1035.744212
Nuclear repulsion energy235.214917
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 BLYP/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' 3414 3386 53.49      
2 A' 3074 3049 0.99      
3 A' 2165 2148 32.57      
4 A' 1245 1235 39.97      
5 A' 985 977 72.32      
6 A' 667 662 48.56      
7 A' 564 559 23.00      
8 A' 426 423 13.92      
9 A' 253 251 0.06      
10 A' 203 202 1.92      
11 A" 1187 1177 24.28      
12 A" 652 647 228.55      
13 A" 569 565 0.51      
14 A" 424 421 12.55      
15 A" 151 149 0.81      

Unscaled Zero Point Vibrational Energy (zpe) 7989.3 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 7924.6 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 BLYP/6-31G*
ABC
0.10037 0.09674 0.05137

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.646 2.036 0.000
C2 -0.729 1.236 0.000
C3 0.384 0.316 0.000
Cl4 0.384 -0.738 1.517
Cl5 0.384 -0.738 -1.517
H6 -2.465 2.730 0.000
H7 1.357 0.820 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.21752.66143.75763.75761.07313.2403
C21.21751.44422.72672.72672.29052.1272
C32.66141.44421.84691.84693.73451.0959
Cl43.75762.72671.84693.03384.73762.3822
Cl53.75762.72671.84693.03384.73762.3822
H61.07312.29053.73454.73764.73764.2727
H73.24032.12721.09592.38222.38224.2727

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 178.456 C2 C1 H6 179.168
C2 C3 Cl4 111.309 C2 C3 Cl5 111.309
C2 C3 H7 113.026 Cl4 C3 Cl5 110.438
Cl4 C3 H7 105.220 Cl5 C3 H7 105.220
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.406      
2 C 0.487      
3 C -0.495      
4 Cl -0.007      
5 Cl -0.007      
6 H 0.183      
7 H 0.245      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.396 2.229 0.000 2.264
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.977 -2.933 0.000
y -2.933 -38.747 0.000
z 0.000 0.000 -44.553
Traceless
 xyz
x 3.673 -2.933 0.000
y -2.933 2.518 0.000
z 0.000 0.000 -6.191
Polar
3z2-r2-12.382
x2-y20.770
xy-2.933
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.704 -3.011 0.000
y -3.011 7.984 0.000
z 0.000 0.000 7.717


<r2> (average value of r2) Å2
<r2> 198.030
(<r2>)1/2 14.072