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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: MP2=FULL/cc-pVDZ

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 MP2=FULL/cc-pVDZ
 hartrees
Energy at 0K-536.135649
Energy at 298.15K-536.135132
HF Energy-535.732307
Nuclear repulsion energy73.530355
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 MP2=FULL/cc-pVDZ
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 3517 3342 92.19      
2 Σ 2123 2018 30.36      
3 Σ 767 729 9.90      
4 Π 600 571 39.72      
4 Π 600 571 39.72      
5 Π 317 301 1.17      
5 Π 317 301 1.17      

Unscaled Zero Point Vibrational Energy (zpe) 4120.3 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 3915.9 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 MP2=FULL/cc-pVDZ
B
0.18473

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.842
C2 0.000 0.000 -0.614
Cl3 0.000 0.000 1.038
H4 0.000 0.000 -2.916

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.22832.88041.0736
C21.22831.65222.3018
Cl32.88041.65223.9540
H41.07362.30183.9540

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