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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: B3LYPultrafine/3-21G

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 B3LYPultrafine/3-21G
 hartrees
Energy at 0K-534.284449
Energy at 298.15K-534.284302
HF Energy-534.284449
Nuclear repulsion energy72.554365
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 B3LYPultrafine/3-21G
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 3510 3387 88.62      
2 Σ 2248 2169 17.41      
3 Σ 675 651 5.59      
4 Π 826 797 35.21      
4 Π 826 797 35.21      
5 Π 419 405 12.01      
5 Π 419 405 12.01      

Unscaled Zero Point Vibrational Energy (zpe) 4461.7 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 4305.1 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 B3LYPultrafine/3-21G
B
0.17943

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.856
C2 0.000 0.000 -0.656
Cl3 0.000 0.000 1.058
H4 0.000 0.000 -2.917

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.20032.91391.0607
C21.20031.71362.2610
Cl32.91391.71363.9746
H41.06072.26103.9746

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 B3LYPultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.401      
2 C -0.235      
3 Cl 0.380      
4 H 0.256      


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 -0.865 0.865
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.908 0.000 0.000
y 0.000 -24.908 0.000
z 0.000 0.000 -17.764
Traceless
 xyz
x -3.572 0.000 0.000
y 0.000 -3.572 0.000
z 0.000 0.000 7.145
Polar
3z2-r214.289
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 1.297 0.000 0.000
y 0.000 1.297 0.000
z 0.000 0.000 6.856


<r2> (average value of r2) Å2
<r2> 64.851
(<r2>)1/2 8.053