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

using model chemistry: CCD/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 CCD/3-21G*
 hartrees
Energy at 0K-497.047848
Energy at 298.15K-497.050804
HF Energy-496.794429
Nuclear repulsion energy50.586455
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 CCD/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 3090 2956 16.10      
2 A1 1458 1394 9.60      
3 A1 696 666 22.63      
4 E 3180 3042 6.26      
4 E 3180 3042 6.26      
5 E 1565 1497 7.25      
5 E 1565 1497 7.25      
6 E 1071 1025 4.31      
6 E 1071 1025 4.31      

Unscaled Zero Point Vibrational Energy (zpe) 8438.4 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 8071.4 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 CCD/3-21G*
ABC
5.18649 0.42926 0.42926

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.148
Cl2 0.000 0.000 0.668
H3 0.000 1.037 -1.491
H4 0.898 -0.518 -1.491
H5 -0.898 -0.518 -1.491

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4 H5
C11.81671.09191.09191.0919
Cl21.81672.39522.39522.3952
H31.09192.39521.79581.7958
H41.09192.39521.79581.7958
H51.09192.39521.79581.7958

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 108.277 Cl2 C1 H4 108.277
Cl2 C1 H5 108.277 H3 C1 H4 110.638
H3 C1 H5 110.638 H4 C1 H5 110.638
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability