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: B3LYP/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-47.860069
Energy at 298.15K-47.861247
HF Energy-47.860069
Nuclear repulsion energy70.283335
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/CEP-121G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3445 3357 56.41      
2 A' 3150 3069 1.63      
3 A' 2173 2118 39.18      
4 A' 1253 1221 39.97      
5 A' 1003 978 80.87      
6 A' 737 718 75.12      
7 A' 670 653 32.97      
8 A' 439 427 12.67      
9 A' 258 251 0.38      
10 A' 216 210 3.68      
11 A" 1207 1176 20.82      
12 A" 754 734 73.64      
13 A" 679 661 190.86      
14 A" 455 443 3.65      
15 A" 162 158 1.15      

Unscaled Zero Point Vibrational Energy (zpe) 8299.7 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 8088.0 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/CEP-121G
ABC
0.09631 0.09485 0.04990

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.675 2.037 0.000
C2 -0.737 1.255 0.000
C3 0.390 0.343 0.000
Cl4 0.390 -0.746 1.548
Cl5 0.390 -0.746 -1.548
H6 -2.500 2.713 0.000
H7 1.360 0.837 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.22132.67113.79583.79581.06643.2642
C21.22131.44992.76962.76962.28772.1389
C32.67111.44991.89281.89283.73761.0882
Cl43.79582.76961.89283.09584.76602.4169
Cl53.79582.76961.89283.09584.76602.4169
H61.06642.28773.73764.76604.76604.2923
H73.26422.13891.08822.41692.41694.2923

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 179.103 C2 C1 H6 179.473
C2 C3 Cl4 111.209 C2 C3 Cl5 111.209
C2 C3 H7 114.101 Cl4 C3 Cl5 109.726
Cl4 C3 H7 105.122 Cl5 C3 H7 105.122
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -1.380      
2 C 1.388      
3 C -0.747      
4 Cl 0.069      
5 Cl 0.069      
6 H 0.327      
7 H 0.273      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.452 2.589 0.000 2.628
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.793 -3.119 0.000
y -3.119 -38.281 0.000
z 0.000 0.000 -44.927
Traceless
 xyz
x 4.811 -3.119 0.000
y -3.119 2.579 0.000
z 0.000 0.000 -7.390
Polar
3z2-r2-14.781
x2-y21.488
xy-3.119
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.720 -3.090 0.000
y -3.090 8.094 0.000
z 0.000 0.000 8.282


<r2> (average value of r2) Å2
<r2> 121.990
(<r2>)1/2 11.045