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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: LSDA/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at LSDA/6-31+G**
 hartrees
Energy at 0K-535.308467
Energy at 298.15K-535.307857
HF Energy-535.308467
Nuclear repulsion energy74.445897
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 LSDA/6-31+G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 3414 3363 119.92      
2 Σ 2171 2138 57.35      
3 Σ 776 764 12.85      
4 Π 542 534 66.48      
4 Π 542 534 66.48      
5 Π 310 305 0.61      
5 Π 310 305 0.61      

Unscaled Zero Point Vibrational Energy (zpe) 4032.5 cm-1
Scaled (by 0.985) Zero Point Vibrational Energy (zpe) 3972.0 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 LSDA/6-31+G**
B
0.18947

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.818
C2 0.000 0.000 -0.603
Cl3 0.000 0.000 1.025
H4 0.000 0.000 -2.894

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.21492.84321.0756
C21.21491.62832.2905
Cl32.84321.62833.9189
H41.07562.29053.9189

picture of Chloroacetylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl3 180.000 C2 C1 H4 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.594      
2 C 0.016      
3 Cl 0.353      
4 H 0.225      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.289 0.289
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.069 0.000 0.000
y 0.000 -25.069 0.000
z 0.000 0.000 -17.918
Traceless
 xyz
x -3.575 0.000 0.000
y 0.000 -3.575 0.000
z 0.000 0.000 7.151
Polar
3z2-r214.302
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.733 0.000 0.000
y 0.000 2.733 0.000
z 0.000 0.000 8.405


<r2> (average value of r2) Å2
<r2> 62.424
(<r2>)1/2 7.901