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

using model chemistry: HF/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 HF/STO-3G
 hartrees
Energy at 0K-471.482798
Energy at 298.15K 
HF Energy-471.482798
Nuclear repulsion energy111.459998
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/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 3746 3058 0.90 50.00 0.70 0.82
2 A1 3548 2897 1.66 79.80 0.01 0.01
3 A1 1843 1505 0.26 29.88 0.73 0.85
4 A1 1722 1406 0.55 2.07 0.75 0.86
5 A1 1254 1024 13.26 7.19 0.57 0.73
6 A1 918 749 0.55 21.00 0.18 0.30
7 A1 340 277 0.27 1.11 0.57 0.73
8 A2 3727 3043 0.00 5.63 0.75 0.86
9 A2 1826 1491 0.00 38.08 0.75 0.86
10 A2 1154 942 0.00 4.76 0.75 0.86
11 A2 183 149 0.00 0.06 0.75 0.86
12 B1 3725 3042 8.10 48.23 0.75 0.86
13 B1 1828 1492 6.34 0.59 0.75 0.86
14 B1 1183 966 0.14 3.89 0.75 0.86
15 B1 192 157 0.59 0.00 0.75 0.86
16 B2 3744 3057 0.00 25.26 0.75 0.86
17 B2 3549 2898 1.58 1.11 0.75 0.86
18 B2 1840 1502 6.93 0.07 0.75 0.86
19 B2 1694 1383 16.71 3.10 0.75 0.86
20 B2 1116 911 0.02 0.99 0.75 0.86
21 B2 980 800 0.12 11.97 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 20055.1 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 16375.0 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/STO-3G
ABC
0.59098 0.25815 0.19246

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.665
C2 0.000 1.358 -0.511
C3 0.000 -1.358 -0.511
H4 0.000 2.293 0.040
H5 0.000 -2.293 0.040
H6 0.880 1.346 -1.149
H7 -0.880 1.346 -1.149
H8 -0.880 -1.346 -1.149
H9 0.880 -1.346 -1.149

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.79651.79652.37682.37682.42412.42412.42412.4241
C21.79652.71671.08523.69291.08701.08702.91442.9144
C31.79652.71673.69291.08522.91442.91441.08701.0870
H42.37681.08523.69294.58661.75681.75683.92833.9283
H52.37683.69291.08524.58663.92833.92831.75681.7568
H62.42411.08702.91441.75683.92831.75923.21552.6916
H72.42411.08702.91441.75683.92831.75922.69163.2155
H82.42412.91441.08703.92831.75683.21552.69161.7592
H92.42412.91441.08703.92831.75682.69163.21551.7592

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 108.612 S1 C2 H6 112.068
S1 C2 H7 112.068 S1 C3 H5 108.612
S1 C3 H8 112.068 S1 C3 H9 112.068
C2 S1 C3 98.245 H4 C2 H6 107.950
H4 C2 H7 107.950 H5 C3 H8 107.950
H5 C3 H9 107.950 H6 C2 H7 108.036
H8 C3 H9 108.036
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.165      
2 C -0.274      
3 C -0.274      
4 H 0.069      
5 H 0.069      
6 H 0.062      
7 H 0.062      
8 H 0.062      
9 H 0.062      


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 -0.875 0.875
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.419 0.000 0.000
y 0.000 -23.718 0.000
z 0.000 0.000 -25.750
Traceless
 xyz
x -0.685 0.000 0.000
y 0.000 1.867 0.000
z 0.000 0.000 -1.181
Polar
3z2-r2-2.363
x2-y2-1.701
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.681 0.000 0.000
y 0.000 3.733 0.000
z 0.000 0.000 2.491


<r2> (average value of r2) Å2
<r2> 74.080
(<r2>)1/2 8.607