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All results from a given calculation for HCCl (Chloromethylene)

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 CS 1A'
2 1 yes CS 3A"

State 1 (1A')

Jump to S2C1
Energy calculated at MP4/6-311G**
 hartrees
Energy at 0K-498.127548
Energy at 298.15K-498.127415
HF Energy-497.833337
Nuclear repulsion energy38.451087
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 A' 2913 2825        
2 A' 1234 1197        
3 A' 824 799        

Unscaled Zero Point Vibrational Energy (zpe) 2485.2 cm-1
Scaled (by 0.9697) Zero Point Vibrational Energy (zpe) 2409.9 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 MP4/6-311G**
ABC
15.59045 0.59259 0.57089

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.046 1.202 0.000
Cl2 0.046 -0.508 0.000
H3 -1.047 1.430 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.71011.1160
Cl21.71012.2251
H31.11602.2251

picture of Chloromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 101.809
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (3A")

Jump to S1C1
Energy calculated at MP4/6-311G**
 hartrees
Energy at 0K-498.122335
Energy at 298.15K-498.122195
HF Energy-497.859559
Nuclear repulsion energy38.721851
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 A' 3225 3127        
2 A' 1022 991        
3 A' 893 866        

Unscaled Zero Point Vibrational Energy (zpe) 2569.8 cm-1
Scaled (by 0.9697) Zero Point Vibrational Energy (zpe) 2491.9 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 MP4/6-311G**
ABC
25.19231 0.58612 0.57280

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.037 1.162 0.000
Cl2 0.037 -0.516 0.000
H3 -0.844 1.798 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.67811.0859
Cl21.67812.4755
H31.08592.4755

picture of Chloromethylene state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 125.818
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability