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

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-500.109076
Energy at 298.15K-500.112043
HF Energy-500.109076
Nuclear repulsion energy51.287330
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 mPW1PW91/6-31+G**
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 3106 2957 24.55 126.60 0.00 0.01
2 A1 1407 1339 14.36 3.05 0.63 0.77
3 A1 753 716 28.29 16.46 0.26 0.42
4 E 3217 3062 4.45 64.85 0.75 0.86
4 E 3217 3062 4.45 64.84 0.75 0.86
5 E 1491 1419 7.54 11.04 0.75 0.86
5 E 1491 1419 7.54 11.03 0.75 0.86
6 E 1045 995 4.29 4.66 0.75 0.86
6 E 1045 995 4.29 4.66 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8385.3 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 7981.1 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 mPW1PW91/6-31+G**
ABC
5.24764 0.44321 0.44321

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.126
Cl2 0.000 0.000 0.658
H3 0.000 1.031 -1.475
H4 0.893 -0.515 -1.475
H5 -0.893 -0.515 -1.475

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4 H5
C11.78411.08831.08821.0882
Cl21.78412.36912.36912.3691
H31.08832.36911.78541.7854
H41.08822.36911.78541.7854
H51.08822.36911.78541.7854

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 108.705 Cl2 C1 H4 108.705
Cl2 C1 H5 108.705 H3 C1 H4 110.227
H3 C1 H5 110.227 H4 C1 H5 110.227
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.614      
2 Cl -0.021      
3 H 0.211      
4 H 0.211      
5 H 0.211      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -2.130 2.130
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.936 0.000 0.000
y 0.000 -19.936 0.000
z 0.000 0.000 -18.204
Traceless
 xyz
x -0.866 0.000 0.000
y 0.000 -0.866 0.000
z 0.000 0.000 1.732
Polar
3z2-r23.463
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.848 0.000 0.000
y 0.000 2.848 0.000
z 0.000 0.000 4.382


<r2> (average value of r2) Å2
<r2> 36.775
(<r2>)1/2 6.064