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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: B3LYP/6-31+G**

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 B3LYP/6-31+G**
 hartrees
Energy at 0K-536.921913
Energy at 298.15K-536.921390
HF Energy-536.921913
Nuclear repulsion energy74.039185
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 B3LYP/6-31+G**
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 3488 3363 101.67      
2 Σ 2204 2126 50.33      
3 Σ 750 723 11.43      
4 Π 601 580 61.17      
4 Π 601 580 61.17      
5 Π 319 308 1.84      
5 Π 319 308 1.84      

Unscaled Zero Point Vibrational Energy (zpe) 4141.7 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 3993.5 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 B3LYP/6-31+G**
B
0.18728

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.826
C2 0.000 0.000 -0.618
Cl3 0.000 0.000 1.032
H4 0.000 0.000 -2.891

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.20802.85791.0657
C21.20801.65002.2736
Cl32.85791.65003.9236
H41.06572.27363.9236

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 B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.658      
2 C 0.134      
3 Cl 0.326      
4 H 0.198      


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 -0.436 0.436
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.127 0.000 0.000
y 0.000 -25.127 0.000
z 0.000 0.000 -18.064
Traceless
 xyz
x -3.531 0.000 0.000
y 0.000 -3.531 0.000
z 0.000 0.000 7.063
Polar
3z2-r214.126
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 2.721 0.000 0.000
y 0.000 2.721 0.000
z 0.000 0.000 8.188


<r2> (average value of r2) Å2
<r2> 62.985
(<r2>)1/2 7.936