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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: LSDA/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-535.324478
Energy at 298.15K-535.324008
HF Energy-535.324478
Nuclear repulsion energy74.276273
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/cc-pVDZ
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 3426 3389 120.41      
2 Σ 2177 2153 44.41      
3 Σ 783 774 11.75      
4 Π 591 585 40.60      
4 Π 591 585 40.60      
5 Π 339 335 2.84      
5 Π 339 335 2.84      

Unscaled Zero Point Vibrational Energy (zpe) 4123.1 cm-1
Scaled (by 0.989) Zero Point Vibrational Energy (zpe) 4077.7 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/cc-pVDZ
B
0.18863

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.822
C2 0.000 0.000 -0.605
Cl3 0.000 0.000 1.027
H4 0.000 0.000 -2.903

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.21762.84941.0806
C21.21761.63172.2982
Cl32.84941.63173.9300
H41.08062.29823.9300

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/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.056      
2 C -0.006      
3 Cl 0.015      
4 H 0.046      


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 -0.239 0.239
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.539 0.000 0.000
y 0.000 -24.539 0.000
z 0.000 0.000 -17.544
Traceless
 xyz
x -3.498 0.000 0.000
y 0.000 -3.498 0.000
z 0.000 0.000 6.995
Polar
3z2-r213.991
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 2.073 0.000 0.000
y 0.000 2.073 0.000
z 0.000 0.000 7.741


<r2> (average value of r2) Å2
<r2> 62.349
(<r2>)1/2 7.896