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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: PBEPBEultrafine/TZVP

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 PBEPBEultrafine/TZVP
 hartrees
Energy at 0K-536.667562
Energy at 298.15K-536.666939
HF Energy-536.667562
Nuclear repulsion energy73.992076
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 PBEPBEultrafine/TZVP
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 3375 101.55      
2 Σ 2142 2117 53.72      
3 Σ 739 731 12.64      
4 Π 558 552 57.79      
4 Π 558 552 57.79      
5 Π 298 295 1.35      
5 Π 298 295 1.35      

Unscaled Zero Point Vibrational Energy (zpe) 4003.8 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 3958.2 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 PBEPBEultrafine/TZVP
B
0.18707

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/TZVP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.827
C2 0.000 0.000 -0.616
Cl3 0.000 0.000 1.033
H4 0.000 0.000 -2.897

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.21112.85981.0699
C21.21111.64862.2811
Cl32.85981.64863.9297
H41.06992.28113.9297

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 PBEPBEultrafine/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.012      
2 C -0.209      
3 Cl 0.027      
4 H 0.171      


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 -0.253 0.253
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.933 0.000 0.000
y 0.000 -24.933 0.000
z 0.000 0.000 -17.879
Traceless
 xyz
x -3.527 0.000 0.000
y 0.000 -3.527 0.000
z 0.000 0.000 7.054
Polar
3z2-r214.108
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 2.546 0.000 0.000
y 0.000 2.546 0.000
z 0.000 0.000 8.100


<r2> (average value of r2) Å2
<r2> 62.932
(<r2>)1/2 7.933