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 CH3S (thiomethoxy)

using model chemistry: HF/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A'
Energy calculated at HF/CEP-121G*
 hartrees
Energy at 0K-17.151960
Energy at 298.15K-17.154710
Nuclear repulsion energy17.690303
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 HF/CEP-121G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3293 2975 11.32      
2 A 3283 2966 26.84      
3 A 3197 2888 33.10      
4 A 1614 1458 10.28      
5 A 1555 1405 8.93      
6 A 1492 1348 13.67      
7 A 974 880 0.48      
8 A 769 695 1.48      
9 A 599 541 38.37      

Unscaled Zero Point Vibrational Energy (zpe) 8387.2 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 7577.0 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 HF/CEP-121G*
ABC
5.35462 0.43812 0.43769

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.755 0.000 -0.007
S2 -1.064 0.000 -0.004
H3 1.079 -0.000 1.030
H4 1.140 -0.889 -0.490
H5 1.140 0.889 -0.490

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5
C11.81891.08641.08291.0829
S21.81892.37942.42582.4258
H31.08642.37941.76251.7625
H41.08292.42581.76251.7782
H51.08292.42581.76251.7782

picture of thiomethoxy state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S2 C1 H3 107.264 S2 C1 H4 110.871
S2 C1 H5 110.872 H3 C1 H4 108.678
H3 C1 H5 108.678 H4 C1 H5 110.376
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.532      
2 S -0.045      
3 H 0.192      
4 H 0.193      
5 H 0.193      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.791 0.000 0.043 1.791
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.408 0.000 0.088
y 0.000 -21.137 -0.000
z 0.088 -0.000 -18.249
Traceless
 xyz
x -0.715 0.000 0.088
y 0.000 -1.809 -0.000
z 0.088 -0.000 2.523
Polar
3z2-r25.047
x2-y20.729
xy0.000
xz0.088
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.041 0.000 0.008
y 0.000 3.246 0.000
z 0.008 0.000 3.061


<r2> (average value of r2) Å2
<r2> 28.407
(<r2>)1/2 5.330