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

using model chemistry: mPW1PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at mPW1PW91/3-21G*
 hartrees
Energy at 0K-497.798670
Energy at 298.15K-497.801628
HF Energy-497.798670
Nuclear repulsion energy50.923926
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 mPW1PW91/3-21G*
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 3114 2957 15.84 100.19 0.01 0.01
2 A1 1443 1370 4.78 4.82 0.54 0.70
3 A1 709 673 25.79 14.50 0.32 0.49
4 E 3215 3053 3.54 55.59 0.75 0.86
4 E 3215 3053 3.54 55.59 0.75 0.86
5 E 1550 1472 12.17 20.34 0.75 0.86
5 E 1550 1472 12.17 20.34 0.75 0.86
6 E 1065 1011 7.94 7.89 0.75 0.86
6 E 1065 1011 7.94 7.89 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8462.2 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 8035.8 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 mPW1PW91/3-21G*
ABC
5.22381 0.43573 0.43573

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.138
Cl2 0.000 0.000 0.663
H3 0.000 1.033 -1.482
H4 0.895 -0.517 -1.482
H5 -0.895 -0.517 -1.482

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4 H5
C11.80191.08881.08881.0888
Cl21.80192.38142.38142.3814
H31.08882.38141.78941.7894
H41.08882.38141.78941.7894
H51.08882.38141.78941.7894

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 108.406 Cl2 C1 H4 108.406
Cl2 C1 H5 108.406 H3 C1 H4 110.515
H3 C1 H5 110.515 H4 C1 H5 110.515
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.732      
2 Cl -0.067      
3 H 0.266      
4 H 0.266      
5 H 0.266      


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 -2.120 2.120
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.821 0.000 0.000
y 0.000 -19.821 0.000
z 0.000 0.000 -17.973
Traceless
 xyz
x -0.924 0.000 0.000
y 0.000 -0.924 0.000
z 0.000 0.000 1.847
Polar
3z2-r23.694
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 2.235 0.000 0.000
y 0.000 2.235 0.000
z 0.000 0.000 3.984


<r2> (average value of r2) Å2
<r2> 37.046
(<r2>)1/2 6.087