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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: B3LYPultrafine/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-536.988358
Energy at 298.15K-536.987970
HF Energy-536.988358
Nuclear repulsion energy74.485543
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/aug-cc-pVTZ
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 3478 3365 99.31      
2 Σ 2197 2125 47.95      
3 Σ 751 726 9.99      
4 Π 649 628 45.54      
4 Π 649 628 45.54      
5 Π 351 339 5.28      
5 Π 351 339 5.28      

Unscaled Zero Point Vibrational Energy (zpe) 4212.2 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 4075.3 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 B3LYPultrafine/aug-cc-pVTZ
B
0.18955

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.813
C2 0.000 0.000 -0.616
Cl3 0.000 0.000 1.026
H4 0.000 0.000 -2.874

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.19782.83991.0606
C21.19781.64222.2583
Cl32.83991.64223.9005
H41.06062.25833.9005

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/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.968      
2 C 0.452      
3 Cl -0.063      
4 H 0.579      


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 -0.373 0.373
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.994 0.000 0.000
y 0.000 -24.994 0.000
z 0.000 0.000 -18.265
Traceless
 xyz
x -3.365 0.000 0.000
y 0.000 -3.365 0.000
z 0.000 0.000 6.729
Polar
3z2-r213.459
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 4.089 0.000 0.000
y 0.000 4.089 0.000
z 0.000 0.000 8.563


<r2> (average value of r2) Å2
<r2> 62.389
(<r2>)1/2 7.899