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 CH3SCH3 (Dimethyl sulfide)

using model chemistry: PBE1PBE/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBE1PBE/STO-3G
 hartrees
Energy at 0K-472.443184
Energy at 298.15K 
HF Energy-472.443184
Nuclear repulsion energy110.710323
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 PBE1PBE/STO-3G
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 3528 3112 1.04 43.92 0.69 0.82
2 A1 3332 2939 3.55 84.48 0.00 0.01
3 A1 1706 1504 0.85 27.54 0.74 0.85
4 A1 1574 1389 0.00 3.49 0.64 0.78
5 A1 1160 1023 15.81 6.38 0.62 0.77
6 A1 849 749 0.86 12.92 0.17 0.29
7 A1 311 274 0.05 1.12 0.55 0.71
8 A2 3496 3084 0.00 5.55 0.75 0.86
9 A2 1685 1487 0.00 35.07 0.75 0.86
10 A2 1067 941 0.00 4.65 0.75 0.86
11 A2 184 162 0.00 0.09 0.75 0.86
12 B1 3493 3082 8.76 46.35 0.75 0.86
13 B1 1686 1487 10.84 0.40 0.75 0.86
14 B1 1098 968 2.20 4.15 0.75 0.86
15 B1 178 157 0.70 0.00 0.75 0.86
16 B2 3527 3111 0.35 23.36 0.75 0.86
17 B2 3333 2940 3.44 0.05 0.75 0.86
18 B2 1702 1501 11.55 0.03 0.75 0.86
19 B2 1546 1364 7.28 5.35 0.75 0.86
20 B2 1031 910 0.36 1.34 0.75 0.86
21 B2 898 792 0.03 7.20 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18691.6 cm-1
Scaled (by 0.8821) Zero Point Vibrational Energy (zpe) 16487.8 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 PBE1PBE/STO-3G
ABC
0.57144 0.25850 0.19084

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.677
C2 0.000 1.356 -0.520
C3 0.000 -1.356 -0.520
H4 0.000 2.304 0.032
H5 0.000 -2.304 0.032
H6 0.890 1.338 -1.166
H7 -0.890 1.338 -1.166
H8 -0.890 -1.338 -1.166
H9 0.890 -1.338 -1.166

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.80881.80882.39262.39262.44532.44532.44532.4453
C21.80882.71141.09683.70081.09961.09962.90932.9093
C31.80882.71143.70081.09682.90932.90931.09961.0996
H42.39261.09683.70084.60751.77721.77723.93543.9354
H52.39263.70081.09684.60753.93543.93541.77721.7772
H62.44531.09962.90931.77723.93541.77933.21342.6758
H72.44531.09962.90931.77723.93541.77932.67583.2134
H82.44532.90931.09963.93541.77723.21342.67581.7793
H92.44532.90931.09963.93541.77722.67583.21341.7793

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 108.358 S1 C2 H6 112.135
S1 C2 H7 112.135 S1 C3 H5 108.358
S1 C3 H8 112.135 S1 C3 H9 112.135
C2 S1 C3 97.097 H4 C2 H6 108.024
H4 C2 H7 108.024 H5 C3 H8 108.024
H5 C3 H9 108.024 H6 C2 H7 108.010
H8 C3 H9 108.010
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.147      
2 C -0.320      
3 C -0.320      
4 H 0.087      
5 H 0.087      
6 H 0.080      
7 H 0.080      
8 H 0.080      
9 H 0.080      


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 -0.887 0.887
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.166 0.000 0.000
y 0.000 -23.191 0.000
z 0.000 0.000 -25.273
Traceless
 xyz
x -0.934 0.000 0.000
y 0.000 2.029 0.000
z 0.000 0.000 -1.095
Polar
3z2-r2-2.190
x2-y2-1.975
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.680 0.000 0.000
y 0.000 3.656 0.000
z 0.000 0.000 2.546


<r2> (average value of r2) Å2
<r2> 74.351
(<r2>)1/2 8.623