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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: MP4=FULL/6-311G**

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 MP4=FULL/6-311G**
 hartrees
Energy at 0K-536.282377
Energy at 298.15K-536.281651
HF Energy-535.747386
Nuclear repulsion energy73.831549
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 MP4=FULL/6-311G**
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 3497 3362        
2 Σ 2107 2026        
3 Σ 751 722        
4 Π 570 548        
4 Π 570 548        
5 Π 250 240        
5 Π 250 240        

Unscaled Zero Point Vibrational Energy (zpe) 3997.5 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 3843.6 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 MP4=FULL/6-311G**
B
0.18621

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-311G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.833
C2 0.000 0.000 -0.616
Cl3 0.000 0.000 1.035
H4 0.000 0.000 -2.898

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.21752.86791.0652
C21.21751.65042.2827
Cl32.86791.65043.9331
H41.06522.28273.9331

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