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: BLYP/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 BLYP/Def2TZVPP
 hartrees
Energy at 0K-500.111188
Energy at 298.15K-500.114097
HF Energy-500.111188
Nuclear repulsion energy50.618317
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 BLYP/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 2999 2999 23.11 148.24 0.00 0.00
2 A1 1339 1339 13.63 1.05 0.29 0.45
3 A1 671 671 24.60 13.07 0.29 0.45
4 E 3091 3091 7.25 59.74 0.75 0.86
4 E 3091 3091 7.25 59.74 0.75 0.86
5 E 1447 1447 5.15 8.74 0.75 0.86
5 E 1447 1447 5.15 8.74 0.75 0.86
6 E 994 994 2.79 3.74 0.75 0.86
6 E 994 994 2.79 3.74 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8035.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8035.6 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 BLYP/Def2TZVPP
ABC
5.18742 0.42985 0.42985

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.148
Cl2 0.000 0.000 0.668
H3 0.000 1.037 -1.489
H4 0.898 -0.518 -1.489
H5 -0.898 -0.518 -1.489

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4 H5
C11.81571.09131.09131.0913
Cl21.81572.39282.39282.3928
H31.09132.39281.79571.7957
H41.09132.39281.79571.7957
H51.09132.39281.79571.7957

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 108.197 Cl2 C1 H4 108.197
Cl2 C1 H5 108.197 H3 C1 H4 110.715
H3 C1 H5 110.715 H4 C1 H5 110.715
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.243      
2 Cl -0.173      
3 H 0.139      
4 H 0.139      
5 H 0.139      


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 -1.899 1.899
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.031 0.000 0.000
y 0.000 -20.031 0.000
z 0.000 0.000 -18.245
Traceless
 xyz
x -0.893 0.000 0.000
y 0.000 -0.893 0.000
z 0.000 0.000 1.786
Polar
3z2-r23.572
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 3.268 0.000 0.000
y 0.000 3.268 0.000
z 0.000 0.000 5.003


<r2> (average value of r2) Å2
<r2> 37.500
(<r2>)1/2 6.124