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

using model chemistry: B1B95/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B1B95/3-21G*
 hartrees
Energy at 0K-497.815391
Energy at 298.15K-497.818347
HF Energy-497.815391
Nuclear repulsion energy50.996184
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 B1B95/3-21G*
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 3117 2977 15.53 100.03 0.01 0.01
2 A1 1441 1376 5.05 5.13 0.54 0.71
3 A1 707 675 26.28 14.40 0.32 0.48
4 E 3218 3073 3.76 55.36 0.75 0.86
4 E 3218 3073 3.76 55.36 0.75 0.86
5 E 1549 1479 11.69 20.52 0.75 0.86
5 E 1549 1479 11.69 20.52 0.75 0.86
6 E 1062 1014 7.59 8.04 0.75 0.86
6 E 1062 1014 7.59 8.04 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8461.1 cm-1
Scaled (by 0.9549) Zero Point Vibrational Energy (zpe) 8079.5 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 B1B95/3-21G*
ABC
5.24157 0.43693 0.43693

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.137
Cl2 0.000 0.000 0.662
H3 0.000 1.031 -1.480
H4 0.893 -0.516 -1.480
H5 -0.893 -0.516 -1.480

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4 H5
C11.79931.08711.08711.0871
Cl21.79932.37822.37822.3782
H31.08712.37821.78641.7864
H41.08712.37821.78641.7864
H51.08712.37821.78641.7864

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 108.427 Cl2 C1 H4 108.427
Cl2 C1 H5 108.427 H3 C1 H4 110.495
H3 C1 H5 110.495 H4 C1 H5 110.495
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.710      
2 Cl -0.069      
3 H 0.260      
4 H 0.260      
5 H 0.260      


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 -2.103 2.103
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.772 0.000 0.000
y 0.000 -19.772 0.000
z 0.000 0.000 -17.940
Traceless
 xyz
x -0.916 0.000 0.000
y 0.000 -0.916 0.000
z 0.000 0.000 1.832
Polar
3z2-r23.665
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 2.238 0.000 0.000
y 0.000 2.238 0.000
z 0.000 0.000 3.973


<r2> (average value of r2) Å2
<r2> 36.950
(<r2>)1/2 6.079