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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: B2PLYP/6-31G**

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/6-31G**
 hartrees
Energy at 0K-536.673485
Energy at 298.15K-536.672822
HF Energy-536.543181
Nuclear repulsion energy74.021861
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/6-31G**
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 3528 3528 88.51      
2 Σ 2191 2191 27.97      
3 Σ 757 757 9.56      
4 Π 570 570 44.13      
4 Π 570 570 44.13      
5 Π 278 278 0.01      
5 Π 278 278 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 4085.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4085.0 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/6-31G**
B
0.18716

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G**

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 -0.617
Cl3 0.000 0.000 1.033
H4 0.000 0.000 -2.889

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.21022.85961.0622
C21.21021.64942.2725
Cl32.85961.64943.9218
H41.06222.27253.9218

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/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.231      
2 C -0.050      
3 Cl 0.101      
4 H 0.180      


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 -0.574 0.574
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.455 0.000 0.000
y 0.000 -24.455 0.000
z 0.000 0.000 -17.659
Traceless
 xyz
x -3.398 0.000 0.000
y 0.000 -3.398 0.000
z 0.000 0.000 6.796
Polar
3z2-r213.593
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 1.906 0.000 0.000
y 0.000 1.906 0.000
z 0.000 0.000 7.181


<r2> (average value of r2) Å2
<r2> 62.643
(<r2>)1/2 7.915