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: HF/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HF/6-31G*
 hartrees
Energy at 0K-499.093152
Energy at 298.15K-499.096164
HF Energy-499.093152
Nuclear repulsion energy51.432743
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 HF/6-31G*
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 3267 2935 33.40 113.56 0.01 0.03
2 A1 1539 1383 30.07 1.77 0.56 0.72
3 A1 784 705 47.01 23.91 0.33 0.50
4 E 3370 3028 9.90 66.88 0.75 0.86
4 E 3370 3028 9.90 66.88 0.75 0.86
5 E 1629 1464 4.76 16.58 0.75 0.86
5 E 1629 1464 4.76 16.58 0.75 0.86
6 E 1139 1023 2.35 7.07 0.75 0.86
6 E 1139 1023 2.35 7.07 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8932.9 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 8026.2 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 HF/6-31G*
ABC
5.33367 0.44444 0.44444

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.127
Cl2 0.000 0.000 0.657
H3 0.000 1.022 -1.469
H4 0.885 -0.511 -1.469
H5 -0.885 -0.511 -1.469

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4 H5
C11.78391.07801.07801.0780
Cl21.78392.35862.35862.3586
H31.07802.35861.77091.7709
H41.07802.35861.77091.7709
H51.07802.35861.77091.7709

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 108.474 Cl2 C1 H4 108.474
Cl2 C1 H5 108.474 H3 C1 H4 110.449
H3 C1 H5 110.449 H4 C1 H5 110.449
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.536      
2 Cl -0.109      
3 H 0.215      
4 H 0.215      
5 H 0.215      


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 -2.243 2.243
CHELPG 0.000 -0.002 -2.293 2.293
AIM 0.000 0.000 0.276 0.276
ESP 0.005 0.000 2.285 2.285


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.986 0.000 0.000
y 0.000 -19.986 0.000
z 0.000 0.000 -18.237
Traceless
 xyz
x -0.874 0.000 0.000
y 0.000 -0.874 0.000
z 0.000 0.000 1.748
Polar
3z2-r23.497
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 2.346 0.000 0.000
y 0.000 2.346 0.000
z 0.000 0.000 4.067


<r2> (average value of r2) Å2
<r2> 36.681
(<r2>)1/2 6.056