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: TPSSh/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at TPSSh/daug-cc-pVTZ
 hartrees
Energy at 0K-500.167619
Energy at 298.15K-500.170564
HF Energy-500.167619
Nuclear repulsion energy51.081799
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 TPSSh/daug-cc-pVTZ
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 3068 3068 23.85 156.24 0.00 0.00
2 A1 1376 1376 12.76 0.01 0.13 0.23
3 A1 716 716 28.42 15.90 0.15 0.26
4 E 3167 3167 5.11 54.35 0.75 0.86
4 E 3167 3167 5.11 54.44 0.75 0.86
5 E 1493 1493 5.27 4.09 0.75 0.86
5 E 1493 1493 5.27 4.14 0.75 0.86
6 E 1026 1026 1.75 0.64 0.75 0.86
6 E 1026 1026 1.75 0.62 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8266.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8266.6 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 TPSSh/daug-cc-pVTZ
ABC
5.22630 0.43874 0.43874

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/daug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.136
Cl2 0.000 0.000 0.661
H3 0.000 1.033 -1.472
H4 0.894 -0.516 -1.472
H5 -0.894 -0.516 -1.472

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4 H5
C11.79711.08611.08611.0861
Cl21.79712.36972.36972.3697
H31.08612.36971.78901.7890
H41.08612.36971.78901.7890
H51.08612.36971.78901.7890

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 108.006 Cl2 C1 H4 108.006
Cl2 C1 H5 108.006 H3 C1 H4 110.896
H3 C1 H5 110.896 H4 C1 H5 110.896
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.067      
2 Cl -0.652      
3 H 0.195      
4 H 0.195      
5 H 0.195      


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 -1.989 1.989
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.957 0.000 0.000
y 0.000 3.957 0.000
z 0.000 0.000 5.455


<r2> (average value of r2) Å2
<r2> 36.935
(<r2>)1/2 6.077