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: B3PW91/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 B3PW91/cc-pVTZ
 hartrees
Energy at 0K-500.095387
Energy at 298.15K-500.098345
HF Energy-500.095387
Nuclear repulsion energy51.316573
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 B3PW91/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 3074 2956 23.13      
2 A1 1373 1321 10.35      
3 A1 739 710 25.41      
4 E 3175 3053 5.01      
4 E 3175 3053 5.01      
5 E 1476 1419 6.33      
5 E 1476 1419 6.33      
6 E 1026 987 3.07      
6 E 1026 987 3.07      

Unscaled Zero Point Vibrational Energy (zpe) 8270.0 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 7952.4 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 B3PW91/cc-pVTZ
ABC
5.25335 0.44356 0.44356

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.127
Cl2 0.000 0.000 0.657
H3 0.000 1.030 -1.471
H4 0.892 -0.515 -1.471
H5 -0.892 -0.515 -1.471

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4 H5
C11.78451.08631.08631.0863
Cl21.78452.36512.36512.3651
H31.08632.36511.78441.7844
H41.08632.36511.78441.7844
H51.08632.36511.78441.7844

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 108.486 Cl2 C1 H4 108.486
Cl2 C1 H5 108.486 H3 C1 H4 110.438
H3 C1 H5 110.438 H4 C1 H5 110.438
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.175      
2 Cl -0.168      
3 H 0.114      
4 H 0.114      
5 H 0.114      


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 -1.947 1.947
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.737 0.000 0.000
y 0.000 -19.737 0.000
z 0.000 0.000 -18.021
Traceless
 xyz
x -0.858 0.000 0.000
y 0.000 -0.858 0.000
z 0.000 0.000 1.717
Polar
3z2-r23.433
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 3.036 0.000 0.000
y 0.000 3.036 0.000
z 0.000 0.000 4.808


<r2> (average value of r2) Å2
<r2> 36.619
(<r2>)1/2 6.051