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: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A'
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-438.026196
Energy at 298.15K-438.029005
Nuclear repulsion energy48.454042
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 B3PW91/6-311G*
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 3134 3017 6.79      
2 A 3101 2985 18.54      
3 A 3025 2912 8.90      
4 A 1484 1429 18.19      
5 A 1419 1366 9.69      
6 A 1359 1309 5.65      
7 A 882 850 4.75      
8 A 852 820 35.40      
9 A 728 701 1.12      

Unscaled Zero Point Vibrational Energy (zpe) 7992.3 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 7694.2 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 B3PW91/6-311G*
ABC
5.30550 0.44672 0.44585

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.105 0.000 -0.009
S2 0.692 0.000 -0.002
H3 -1.425 -0.000 1.040
H4 -1.510 0.898 -0.478
H5 -1.510 -0.898 -0.478

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5
C11.79661.09681.09131.0913
S21.79662.35982.42512.4251
H31.09682.35981.76591.7658
H41.09132.42511.76591.7962
H51.09132.42511.76581.7962

picture of thiomethoxy state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S2 C1 H3 106.783 S2 C1 H4 111.895
S2 C1 H5 111.894 H3 C1 H4 107.615
H3 C1 H5 107.614 H4 C1 H5 110.770
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.828      
2 S 0.029      
3 H 0.269      
4 H 0.265      
5 H 0.265      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.824 -0.000 0.093 1.826
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.716 0.000 -0.179
y 0.000 -21.978 -0.000
z -0.179 -0.000 -19.228
Traceless
 xyz
x 0.886 0.000 -0.179
y 0.000 -2.505 -0.000
z -0.179 -0.000 1.619
Polar
3z2-r23.238
x2-y22.261
xy0.000
xz-0.179
yz-0.000


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


<r2> (average value of r2) Å2
<r2> 37.409
(<r2>)1/2 6.116