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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: B2PLYP/aug-cc-pVTZ

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 B2PLYP/aug-cc-pVTZ
 hartrees
Energy at 0K-536.779747
Energy at 298.15K-536.779330
HF Energy-536.612972
Nuclear repulsion energy74.386417
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 B2PLYP/aug-cc-pVTZ
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 3493 3357 94.32      
2 Σ 2160 2076 41.47      
3 Σ 756 726 9.23      
4 Π 637 612 44.81      
5 Π 637 612 44.80      
6 Π 342 329 4.39      
7 Π 342 329 4.39      

Unscaled Zero Point Vibrational Energy (zpe) 4183.2 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 4020.1 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 B2PLYP/aug-cc-pVTZ
B
0.18903

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/aug-cc-pVTZ

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 -0.615
Cl3 0.000 0.000 1.028
H4 0.000 0.000 -2.878

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.20332.84641.0592
C21.20331.64302.2626
Cl32.84641.64303.9056
H41.05922.26263.9056

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 B2PLYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -1.054      
2 C 0.505      
3 Cl -0.079      
4 H 0.627      


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 -0.405 0.405
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.052 0.000 0.000
y 0.000 -25.052 0.000
z 0.000 0.000 -18.244
Traceless
 xyz
x -3.404 0.000 0.000
y 0.000 -3.404 0.000
z 0.000 0.000 6.808
Polar
3z2-r213.616
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 4.050 0.000 0.000
y 0.000 4.050 0.000
z 0.000 0.000 8.426


<r2> (average value of r2) Å2
<r2> 62.538
(<r2>)1/2 7.908