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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: BLYP/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 BLYP/6-31+G**
 hartrees
Energy at 0K-536.878700
Energy at 298.15K-536.877974
HF Energy-536.878700
Nuclear repulsion energy73.504324
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/6-31+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 3412 3394 95.80      
2 Σ 2125 2114 55.39      
3 Σ 722 719 11.62      
4 Π 536 533 62.03      
4 Π 536 533 62.03      
5 Π 275 274 0.21      
5 Π 275 274 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 3940.2 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 3919.3 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/6-31+G**
B
0.18457

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.840
C2 0.000 0.000 -0.621
Cl3 0.000 0.000 1.040
H4 0.000 0.000 -2.912

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.21942.87961.0716
C21.21941.66022.2910
Cl32.87961.66023.9512
H41.07162.29103.9512

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 BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.682      
2 C 0.193      
3 Cl 0.315      
4 H 0.174      


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 -0.326 0.326
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.269 0.000 0.000
y 0.000 -25.269 0.000
z 0.000 0.000 -18.317
Traceless
 xyz
x -3.476 0.000 0.000
y 0.000 -3.476 0.000
z 0.000 0.000 6.953
Polar
3z2-r213.905
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 2.846 0.000 0.000
y 0.000 2.846 0.000
z 0.000 0.000 8.575


<r2> (average value of r2) Å2
<r2> 63.810
(<r2>)1/2 7.988