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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: B3PW91/6-31G**

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 B3PW91/6-31G**
 hartrees
Energy at 0K-536.829332
Energy at 298.15K-536.828808
HF Energy-536.829332
Nuclear repulsion energy74.281125
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 B3PW91/6-31G**
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 3503 3358 94.53      
2 Σ 2228 2135 35.77      
3 Σ 767 735 11.00      
4 Π 599 574 47.48      
4 Π 599 574 47.48      
5 Π 318 305 0.47      
5 Π 318 305 0.47      

Unscaled Zero Point Vibrational Energy (zpe) 4166.5 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 3993.1 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 B3PW91/6-31G**
B
0.18854

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.820
C2 0.000 0.000 -0.614
Cl3 0.000 0.000 1.029
H4 0.000 0.000 -2.886

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.20642.84871.0657
C21.20641.64232.2721
Cl32.84871.64233.9143
H41.06572.27213.9143

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 B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.270      
2 C -0.049      
3 Cl 0.122      
4 H 0.197      


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 -0.529 0.529
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.331 0.000 0.000
y 0.000 -24.331 0.000
z 0.000 0.000 -17.291
Traceless
 xyz
x -3.520 0.000 0.000
y 0.000 -3.520 0.000
z 0.000 0.000 7.041
Polar
3z2-r214.081
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 1.930 0.000 0.000
y 0.000 1.930 0.000
z 0.000 0.000 7.348


<r2> (average value of r2) Å2
<r2> 62.180
(<r2>)1/2 7.885