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All results from a given calculation for CHCl2CCH (3,3-dichloropropyne)

using model chemistry: HF/CEP-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 HF/CEP-31G
 hartrees
Energy at 0K-46.809007
Energy at 298.15K-46.810415
HF Energy-46.809007
Nuclear repulsion energy70.938759
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 HF/CEP-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' 3674 3311 69.97      
2 A' 3408 3072 1.32      
3 A' 2385 2150 27.24      
4 A' 1393 1256 54.25      
5 A' 1079 973 76.67      
6 A' 832 750 71.79      
7 A' 734 662 40.78      
8 A' 474 427 9.65      
9 A' 282 254 0.53      
10 A' 217 195 5.40      
11 A" 1344 1212 40.98      
12 A" 852 768 83.86      
13 A" 800 721 196.60      
14 A" 496 447 0.85      
15 A" 161 145 1.63      

Unscaled Zero Point Vibrational Energy (zpe) 9065.2 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 8171.4 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 HF/CEP-31G
ABC
0.10049 0.09524 0.05106

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.691 2.026 0.000
C2 -0.745 1.247 0.000
C3 0.395 0.322 0.000
Cl4 0.395 -0.739 1.515
Cl5 0.395 -0.739 -1.515
H6 -2.509 2.696 0.000
H7 1.338 0.842 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.22552.69333.78013.78011.05723.2525
C21.22551.46782.74512.74512.28272.1225
C32.69331.46781.84931.84933.75041.0770
Cl43.78012.74511.84933.02954.74582.3838
Cl53.78012.74511.84933.02954.74582.3838
H61.05722.28273.75044.74584.74584.2706
H73.25252.12251.07702.38382.38384.2706

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 179.544 C2 C1 H6 179.827
C2 C3 Cl4 111.179 C2 C3 Cl5 111.179
C2 C3 H7 112.121 Cl4 C3 Cl5 109.984
Cl4 C3 H7 106.068 Cl5 C3 H7 106.068
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.354      
2 C -0.024      
3 C -0.254      
4 Cl -0.003      
5 Cl -0.003      
6 H 0.379      
7 H 0.258      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.392 2.712 0.000 2.740
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.236 -2.865 0.000
y -2.865 -39.220 0.000
z 0.000 0.000 -46.326
Traceless
 xyz
x 5.536 -2.865 0.000
y -2.865 2.561 0.000
z 0.000 0.000 -8.098
Polar
3z2-r2-16.195
x2-y21.984
xy-2.865
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.444 -2.689 0.000
y -2.689 6.811 0.000
z 0.000 0.000 7.346


<r2> (average value of r2) Å2
<r2> 120.906
(<r2>)1/2 10.996