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: B3LYPultrafine/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3LYPultrafine/Def2TZVPP
 hartrees
Energy at 0K-500.158804
Energy at 298.15K-500.161749
HF Energy-500.158804
Nuclear repulsion energy51.125947
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 B3LYPultrafine/Def2TZVPP
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 3072 3072 23.10 143.29 0.00 0.00
2 A1 1380 1380 12.97 0.64 0.32 0.49
3 A1 714 714 26.59 13.69 0.29 0.45
4 E 3167 3167 5.93 57.91 0.75 0.86
4 E 3167 3167 5.93 57.91 0.75 0.86
5 E 1484 1484 5.88 8.35 0.75 0.86
5 E 1484 1484 5.88 8.35 0.75 0.86
6 E 1026 1026 2.79 3.14 0.75 0.86
6 E 1026 1026 2.79 3.14 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8260.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8260.5 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 B3LYPultrafine/Def2TZVPP
ABC
5.25893 0.43931 0.43931

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/Def2TZVPP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.134
Cl2 0.000 0.000 0.661
H3 0.000 1.030 -1.476
H4 0.892 -0.515 -1.476
H5 -0.892 -0.515 -1.476

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4 H5
C11.79451.08501.08501.0850
Cl21.79452.37182.37182.3718
H31.08502.37181.78341.7834
H41.08502.37181.78341.7834
H51.08502.37181.78341.7834

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 108.381 Cl2 C1 H4 108.381
Cl2 C1 H5 108.381 H3 C1 H4 110.539
H3 C1 H5 110.539 H4 C1 H5 110.539
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.241      
2 Cl -0.171      
3 H 0.137      
4 H 0.137      
5 H 0.137      


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 -1.932 1.932
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.910 0.000 0.000
y 0.000 -19.910 0.000
z 0.000 0.000 -18.165
Traceless
 xyz
x -0.872 0.000 0.000
y 0.000 -0.872 0.000
z 0.000 0.000 1.745
Polar
3z2-r23.489
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 3.187 0.000 0.000
y 0.000 3.187 0.000
z 0.000 0.000 4.852


<r2> (average value of r2) Å2
<r2> 36.922
(<r2>)1/2 6.076