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

using model chemistry: HF/3-21G*

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/3-21G*
 hartrees
Energy at 0K-1028.848050
Energy at 298.15K-1028.849739
HF Energy-1028.848050
Nuclear repulsion energy240.455561
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/3-21G*
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' 3659 3302 66.67      
2 A' 3345 3019 2.13      
3 A' 2430 2193 19.33      
4 A' 1441 1300 15.69      
5 A' 1050 948 62.01      
6 A' 959 866 34.59      
7 A' 764 690 49.44      
8 A' 518 468 6.28      
9 A' 304 274 0.60      
10 A' 260 234 4.24      
11 A" 1353 1221 23.72      
12 A" 971 876 12.45      
13 A" 823 743 223.14      
14 A" 553 499 0.28      
15 A" 185 167 1.56      

Unscaled Zero Point Vibrational Energy (zpe) 9306.7 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 8400.2 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/3-21G*
ABC
0.10632 0.09973 0.05374

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.651 1.976 0.000
C2 -0.743 1.215 0.000
C3 0.388 0.310 0.000
Cl4 0.388 -0.720 1.472
Cl5 0.388 -0.720 -1.472
H6 -2.462 2.644 0.000
H7 1.315 0.851 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.18492.63293.68703.68701.05123.1722
C21.18491.44812.68162.68162.23612.0898
C32.63291.44811.79711.79713.68401.0739
Cl43.68702.68161.79712.94474.64902.3450
Cl53.68702.68161.79712.94474.64902.3450
H61.05122.23613.68404.64904.64904.1813
H73.17222.08981.07392.34502.34504.1813

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 178.719 C2 C1 H6 179.572
C2 C3 Cl4 110.992 C2 C3 Cl5 110.992
C2 C3 H7 111.050 Cl4 C3 Cl5 110.028
Cl4 C3 H7 106.807 Cl5 C3 H7 106.807
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.350      
2 C 0.023      
3 C -0.443      
4 Cl 0.032      
5 Cl 0.032      
6 H 0.359      
7 H 0.346      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.258 2.202 0.000 2.217
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.854 -2.956 0.000
y -2.956 -40.102 0.000
z 0.000 0.000 -45.935
Traceless
 xyz
x 4.164 -2.956 0.000
y -2.956 2.292 0.000
z 0.000 0.000 -6.456
Polar
3z2-r2-12.913
x2-y21.248
xy-2.956
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.642 -2.365 0.000
y -2.365 6.495 0.000
z 0.000 0.000 6.496


<r2> (average value of r2) Å2
<r2> 191.400
(<r2>)1/2 13.835