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

using model chemistry: HF/CEP-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/CEP-31G
 hartrees
Energy at 0K-21.882943
Energy at 298.15K-21.885915
HF Energy-21.882943
Nuclear repulsion energy19.318753
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/CEP-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 3284 2960 47.68      
2 A1 1511 1362 33.83      
3 A1 702 633 54.38      
4 E 3422 3084 31.77      
4 E 3422 3084 31.77      
5 E 1607 1449 6.58      
5 E 1607 1449 6.58      
6 E 1111 1002 4.99      
6 E 1111 1002 4.99      

Unscaled Zero Point Vibrational Energy (zpe) 8888.2 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 8011.8 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 HF/CEP-31G
ABC
5.22674 0.41238 0.41238

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.863
Cl2 0.000 0.000 1.000
H3 0.000 1.033 -1.182
H4 0.894 -0.516 -1.182
H5 -0.894 -0.516 -1.182

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4 H5
C11.86261.08121.08121.0812
Cl21.86262.41432.41432.4143
H31.08122.41431.78891.7889
H41.08122.41431.78891.7889
H51.08122.41431.78891.7889

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 107.194 Cl2 C1 H4 107.194
Cl2 C1 H5 107.194 H3 C1 H4 111.649
H3 C1 H5 111.649 H4 C1 H5 111.649
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.383      
2 Cl -0.157      
3 H 0.180      
4 H 0.180      
5 H 0.180      


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 -2.999 2.999
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.281 0.000 0.000
y 0.000 -19.281 0.000
z 0.000 0.000 -19.656
Traceless
 xyz
x 0.188 0.000 0.000
y 0.000 0.188 0.000
z 0.000 0.000 -0.375
Polar
3z2-r2-0.750
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 1.576 0.000 0.000
y 0.000 1.576 0.000
z 0.000 0.000 4.498


<r2> (average value of r2) Å2
<r2> 29.490
(<r2>)1/2 5.430