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All results from a given calculation for CH3SCH3 (Dimethyl sulfide)

using model chemistry: B1B95/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/6-31G*
 hartrees
Energy at 0K-477.984572
Energy at 298.15K 
HF Energy-477.984572
Nuclear repulsion energy110.925502
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 B1B95/6-31G*
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 3188 3026 10.33 103.43 0.67 0.80
2 A1 3078 2922 31.99 236.93 0.00 0.00
3 A1 1518 1441 0.10 30.22 0.75 0.86
4 A1 1405 1334 1.87 5.08 0.24 0.38
5 A1 1075 1021 20.64 7.82 0.57 0.73
6 A1 720 684 3.56 14.97 0.17 0.30
7 A1 261 248 0.04 2.19 0.61 0.76
8 A2 3168 3007 0.00 15.20 0.75 0.86
9 A2 1494 1418 0.00 41.39 0.75 0.86
10 A2 974 925 0.00 7.53 0.75 0.86
11 A2 188 178 0.00 0.11 0.75 0.86
12 B1 3161 3001 30.23 122.06 0.75 0.86
13 B1 1503 1427 19.12 0.00 0.75 0.86
14 B1 1013 961 9.09 6.50 0.75 0.86
15 B1 185 176 1.18 0.01 0.75 0.86
16 B2 3189 3027 3.20 54.41 0.75 0.86
17 B2 3081 2925 26.31 0.66 0.75 0.86
18 B2 1508 1432 21.47 0.06 0.75 0.86
19 B2 1379 1309 3.55 7.94 0.75 0.86
20 B2 930 883 0.34 3.49 0.75 0.86
21 B2 773 734 0.03 7.98 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16895.1 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 16038.5 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 B1B95/6-31G*
ABC
0.59492 0.25294 0.19033

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.660
C2 0.000 1.374 -0.511
C3 0.000 -1.374 -0.511
H4 0.000 2.297 0.071
H5 0.000 -2.297 0.071
H6 0.892 1.361 -1.141
H7 -0.892 1.361 -1.141
H8 -0.892 -1.361 -1.141
H9 0.892 -1.361 -1.141

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.80541.80542.37132.37132.42692.42692.42692.4269
C21.80542.74901.09073.71731.09221.09222.94522.9452
C31.80542.74903.71731.09072.94522.94521.09221.0922
H42.37131.09073.71734.59401.77241.77243.95523.9552
H52.37133.71731.09074.59403.95523.95521.77241.7724
H62.42691.09222.94521.77243.95521.78393.25392.7214
H72.42691.09222.94521.77243.95521.78392.72143.2539
H82.42692.94521.09223.95521.77243.25392.72141.7839
H92.42692.94521.09223.95521.77242.72143.25391.7839

picture of Dimethyl sulfide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 H4 107.342 S1 C2 H6 111.376
S1 C2 H7 111.376 S1 C3 H5 107.342
S1 C3 H8 111.376 S1 C3 H9 111.376
C2 S1 C3 99.162 H4 C2 H6 108.573
H4 C2 H7 108.573 H5 C3 H8 108.573
H5 C3 H9 108.573 H6 C2 H7 109.499
H8 C3 H9 109.499
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.106      
2 C -0.639      
3 C -0.639      
4 H 0.202      
5 H 0.202      
6 H 0.192      
7 H 0.192      
8 H 0.192      
9 H 0.192      


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 -1.726 1.726
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.335 0.000 0.000
y 0.000 -23.536 0.000
z 0.000 0.000 -28.006
Traceless
 xyz
x -2.564 0.000 0.000
y 0.000 4.635 0.000
z 0.000 0.000 -2.071
Polar
3z2-r2-4.142
x2-y2-4.799
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.493 0.000 0.000
y 0.000 6.741 0.000
z 0.000 0.000 5.495


<r2> (average value of r2) Å2
<r2> 75.755
(<r2>)1/2 8.704