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All results from a given calculation for HCCl (Chloromethylene)

using model chemistry: MP4/6-31G*

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 MP4/6-31G*
 hartrees
Energy at 0K-498.068654
Energy at 298.15K-498.068519
HF Energy-497.796887
Nuclear repulsion energy38.356191
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 MP4/6-31G*
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' 2897 2766        
2 A' 1279 1221        
3 A' 820 783        

Unscaled Zero Point Vibrational Energy (zpe) 2497.9 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 2385.0 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 MP4/6-31G*
ABC
15.59324 0.58949 0.56801

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.046 1.204 0.000
Cl2 0.046 -0.510 0.000
H3 -1.047 1.442 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.71371.1185
Cl21.71372.2371
H31.11852.2371

picture of Chloromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 102.303
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (3A")

Jump to S1C1
Energy calculated at MP4/6-31G*
 hartrees
Energy at 0K-498.066724
Energy at 298.15K-498.066583
HF Energy-497.825482
Nuclear repulsion energy38.699064
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 MP4/6-31G*
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' 3246 3100        
2 A' 1031 985        
3 A' 901 860        

Unscaled Zero Point Vibrational Energy (zpe) 2589.1 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 2472.0 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 MP4/6-31G*
ABC
25.15386 0.58545 0.57213

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.037 1.163 0.000
Cl2 0.037 -0.516 0.000
H3 -0.844 1.799 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.67911.0867
Cl21.67912.4771
H31.08672.4771

picture of Chloromethylene state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 125.817
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability