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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: B2PLYP/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 B2PLYP/3-21G
 hartrees
Energy at 0K-533.998392
Energy at 298.15K-533.998209
HF Energy-533.917824
Nuclear repulsion energy72.228659
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/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 3523 3523 80.60      
2 Σ 2206 2206 11.94      
3 Σ 667 667 4.02      
4 Π 804 804 34.77      
4 Π 804 804 34.77      
5 Π 410 410 11.40      
5 Π 410 410 11.40      

Unscaled Zero Point Vibrational Energy (zpe) 4411.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4411.3 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/3-21G
B
0.17777

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.865
C2 0.000 0.000 -0.659
Cl3 0.000 0.000 1.063
H4 0.000 0.000 -2.925

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.20582.92801.0596
C21.20581.72222.2654
Cl32.92801.72223.9876
H41.05962.26543.9876

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/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.399      
2 C -0.238      
3 Cl 0.365      
4 H 0.272      


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 -0.930 0.930
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.086 0.000 0.000
y 0.000 -25.086 0.000
z 0.000 0.000 -17.929
Traceless
 xyz
x -3.578 0.000 0.000
y 0.000 -3.578 0.000
z 0.000 0.000 7.157
Polar
3z2-r214.314
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 1.273 0.000 0.000
y 0.000 1.273 0.000
z 0.000 0.000 6.714


<r2> (average value of r2) Å2
<r2> 65.418
(<r2>)1/2 8.088