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All results from a given calculation for CH3Cl (Methyl chloride)

using model chemistry: MP4=FULL/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP4=FULL/3-21G
 hartrees
Energy at 0K-496.859005
Energy at 298.15K-496.861901
HF Energy-496.688607
Nuclear repulsion energy48.660815
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=FULL/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3099 3034        
2 A1 1396 1366        
3 A1 620 607        
4 E 3213 3145        
4 E 3213 3144        
5 E 1548 1515        
5 E 1548 1515        
6 E 1006 985        
6 E 1006 985        

Unscaled Zero Point Vibrational Energy (zpe) 8323.8 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 8147.4 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=FULL/3-21G
ABC
5.09658 0.38991 0.38991

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.221
Cl2 0.000 0.000 0.701
H3 0.000 1.046 -1.528
H4 0.906 -0.523 -1.528
H5 -0.906 -0.523 -1.528

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4 H5
C11.92201.09001.09001.0900
Cl21.92202.46212.46212.4621
H31.09002.46211.81161.8116
H41.09002.46211.81161.8116
H51.09002.46211.81161.8116

picture of Methyl chloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 106.354 Cl2 C1 H4 106.354
Cl2 C1 H5 106.354 H3 C1 H4 112.400
H3 C1 H5 112.400 H4 C1 H5 112.400
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability