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-1035.689461
Energy at 298.15K-1035.690309
HF Energy-1035.689461
Nuclear repulsion energy229.839687
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' 3426 3400 53.57      
2 A' 3125 3102 0.25      
3 A' 2160 2143 58.06      
4 A' 1231 1221 34.64      
5 A' 1012 1004 85.40      
6 A' 648 643 80.22      
7 A' 613 608 7.18      
8 A' 413 409 18.58      
9 A' 238 236 0.22      
10 A' 203 201 2.96      
11 A" 1150 1141 20.67      
12 A" 646 641 119.14      
13 A" 594 590 122.06      
14 A" 413 410 24.27      
15 A" 152 151 1.12      

Unscaled Zero Point Vibrational Energy (zpe) 8010.7 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 7949.8 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
0.09429 0.09395 0.04916

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 -1.663 2.050 0.000
C2 -0.724 1.266 0.000
C3 0.386 0.363 0.000
Cl4 0.386 -0.754 1.567
Cl5 0.386 -0.754 -1.567
H6 -2.492 2.729 0.000
H7 1.376 0.826 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.22332.65393.81013.81011.07193.2758
C21.22331.43062.78702.78702.29512.1455
C32.65391.43061.92461.92463.72571.0927
Cl43.81012.78701.92463.13444.78252.4356
Cl53.81012.78701.92463.13444.78252.4356
H61.07192.29513.72574.78254.78254.3107
H73.27582.14551.09272.43562.43564.3107

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 179.210 C2 C1 H6 179.412
C2 C3 Cl4 111.479 C2 C3 Cl5 111.479
C2 C3 H7 115.833 Cl4 C3 Cl5 109.033
Cl4 C3 H7 104.232 Cl5 C3 H7 104.232
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 -0.322      
2 C 0.380      
3 C -0.577      
4 Cl 0.022      
5 Cl 0.022      
6 H 0.226      
7 H 0.251      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.610 2.855 0.000 2.920
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.720 -3.167 0.000
y -3.167 -38.928 0.000
z 0.000 0.000 -46.042
Traceless
 xyz
x 4.765 -3.167 0.000
y -3.167 2.954 0.000
z 0.000 0.000 -7.718
Polar
3z2-r2-15.437
x2-y21.208
xy-3.167
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.301 -3.323 0.000
y -3.323 7.928 0.000
z 0.000 0.000 8.010


<r2> (average value of r2) Å2
<r2> 205.932
(<r2>)1/2 14.350