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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: B3LYP/6-311G*

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 B3LYP/6-311G*
 hartrees
Energy at 0K-536.962285
Energy at 298.15K-536.961732
HF Energy-536.962285
Nuclear repulsion energy74.272001
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/6-311G*
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 3471 3354 81.70      
2 Σ 2205 2131 40.62      
3 Σ 748 723 11.72      
4 Π 595 575 50.54      
4 Π 595 575 50.54      
5 Π 310 300 2.30      
5 Π 310 300 2.30      

Unscaled Zero Point Vibrational Energy (zpe) 4116.6 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 3977.9 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/6-311G*
B
0.18846

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G*

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 -0.619
Cl3 0.000 0.000 1.030
H4 0.000 0.000 -2.882

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.19952.84771.0636
C21.19951.64822.2631
Cl32.84771.64823.9114
H41.06362.26313.9114

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 B3LYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.106      
2 C -0.112      
3 Cl -0.033      
4 H 0.251      


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 -0.506 0.506
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.080 0.000 0.000
y 0.000 -25.080 0.000
z 0.000 0.000 -17.778
Traceless
 xyz
x -3.651 0.000 0.000
y 0.000 -3.651 0.000
z 0.000 0.000 7.301
Polar
3z2-r214.602
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 2.058 0.000 0.000
y 0.000 2.058 0.000
z 0.000 0.000 7.721


<r2> (average value of r2) Å2
<r2> 62.600
(<r2>)1/2 7.912