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All results from a given calculation for HCCCl (Chloroacetylene)

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

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 MP4/6-311G**
 hartrees
Energy at 0K-536.194027
Energy at 298.15K-536.193129
HF Energy-535.747231
Nuclear repulsion energy73.767641
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 MP4/6-311G**
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 3489 3383        
2 Σ 2102 2039        
3 Σ 749 726        
4 Π 549 533        
4 Π 549 532        
5 Π 199 193        
5 Π 199 193        

Unscaled Zero Point Vibrational Energy (zpe) 3918.0 cm-1
Scaled (by 0.9697) Zero Point Vibrational Energy (zpe) 3799.3 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 MP4/6-311G**
B
0.18588

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.835
C2 0.000 0.000 -0.616
Cl3 0.000 0.000 1.036
H4 0.000 0.000 -2.901

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.21832.87041.0658
C21.21831.65212.2841
Cl32.87041.65213.9362
H41.06582.28413.9362

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