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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: MP3=FULL/TZVP

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/TZVP
 hartrees
Energy at 0K-536.236256
Energy at 298.15K-536.235623
HF Energy-535.757699
Nuclear repulsion energy74.207579
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/TZVP
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 3550 3315 87.06      
2 Σ 2260 2110 34.82      
3 Σ 755 705 9.70      
4 Π 593 554 54.39      
4 Π 593 554 54.39      
5 Π 273 255 0.64      
5 Π 273 255 0.64      

Unscaled Zero Point Vibrational Energy (zpe) 4149.4 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 3874.3 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/TZVP
B
0.18807

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.819
C2 0.000 0.000 -0.622
Cl3 0.000 0.000 1.031
H4 0.000 0.000 -2.878

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.19682.85021.0589
C21.19681.65342.2557
Cl32.85021.65343.9091
H41.05892.25573.9091

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