return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: MP2=FULL/cc-pCVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2=FULL/cc-pCVTZ
 hartrees
Energy at 0K-499.910720
Energy at 298.15K-499.913703
HF Energy-499.149024
Nuclear repulsion energy51.640214
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 MP2=FULL/cc-pCVTZ
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 3121 2968 21.46      
2 A1 1399 1330 11.36      
3 A1 774 736 22.67      
4 E 3232 3074 3.46      
4 E 3232 3074 3.46      
5 E 1507 1433 5.62      
5 E 1507 1433 5.62      
6 E 1046 995 2.61      
6 E 1046 995 2.61      

Unscaled Zero Point Vibrational Energy (zpe) 8431.9 cm-1
Scaled (by 0.9511) Zero Point Vibrational Energy (zpe) 8019.6 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 MP2=FULL/cc-pCVTZ
ABC
5.30561 0.44958 0.44958

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pCVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.118
Cl2 0.000 0.000 0.653
H3 0.000 1.025 -1.465
H4 0.888 -0.513 -1.465
H5 -0.888 -0.513 -1.465

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4 H5
C11.77131.08201.08201.0820
Cl21.77132.35272.35272.3527
H31.08202.35271.77561.7756
H41.08202.35271.77561.7756
H51.08202.35271.77561.7756

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 108.664 Cl2 C1 H4 108.664
Cl2 C1 H5 108.664 H3 C1 H4 110.266
H3 C1 H5 110.266 H4 C1 H5 110.266
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability