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: HSEh1PBE/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 HSEh1PBE/6-31G
 hartrees
Energy at 0K-499.881079
Energy at 298.15K-499.884017
HF Energy-499.881079
Nuclear repulsion energy49.892499
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 HSEh1PBE/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 3132 2996 14.69 117.25 0.01 0.02
2 A1 1417 1356 8.91 2.49 0.58 0.74
3 A1 684 654 27.83 20.78 0.34 0.51
4 E 3261 3119 4.49 57.55 0.75 0.86
4 E 3261 3119 4.49 57.55 0.75 0.86
5 E 1521 1455 12.56 19.14 0.75 0.86
5 E 1521 1455 12.56 19.14 0.75 0.86
6 E 1044 998 6.62 11.67 0.75 0.86
6 E 1044 998 6.62 11.67 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8441.0 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 8074.6 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 HSEh1PBE/6-31G
ABC
5.18978 0.41416 0.41416

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.176
Cl2 0.000 0.000 0.680
H3 0.000 1.037 -1.504
H4 0.898 -0.518 -1.504
H5 -0.898 -0.518 -1.504

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4 H5
C11.85601.08711.08711.0871
Cl21.85602.41732.41732.4173
H31.08712.41731.79531.7953
H41.08712.41731.79531.7953
H51.08712.41731.79531.7953

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 107.550 Cl2 C1 H4 107.550
Cl2 C1 H5 107.550 H3 C1 H4 111.323
H3 C1 H5 111.323 H4 C1 H5 111.323
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.631      
2 Cl -0.049      
3 H 0.227      
4 H 0.227      
5 H 0.227      


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 -2.460 2.460
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.812 0.000 0.000
y 0.000 -19.812 0.000
z 0.000 0.000 -18.171
Traceless
 xyz
x -0.821 0.000 0.000
y 0.000 -0.821 0.000
z 0.000 0.000 1.641
Polar
3z2-r23.282
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 2.064 0.000 0.000
y 0.000 2.064 0.000
z 0.000 0.000 4.258


<r2> (average value of r2) Å2
<r2> 38.199
(<r2>)1/2 6.181