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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: MP3=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 MP3=FULL/cc-pVDZ
 hartrees
Energy at 0K-536.149948
Energy at 298.15K-536.149541
HF Energy-535.734200
Nuclear repulsion energy73.673650
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 MP3=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 3530 3319 90.50      
2 Σ 2245 2111 29.45      
3 Σ 768 723 9.48      
4 Π 652 613 40.21      
4 Π 652 613 40.21      
5 Π 339 319 2.31      
5 Π 339 319 2.31      

Unscaled Zero Point Vibrational Energy (zpe) 4262.8 cm-1
Scaled (by 0.9403) Zero Point Vibrational Energy (zpe) 4008.3 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 MP3=FULL/cc-pVDZ
B
0.18545

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.834
C2 0.000 0.000 -0.620
Cl3 0.000 0.000 1.037
H4 0.000 0.000 -2.908

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.21442.87191.0733
C21.21441.65752.2877
Cl32.87191.65753.9452
H41.07332.28773.9452

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