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: B2PLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP/3-21G
 hartrees
Energy at 0K-475.299290
Energy at 298.15K 
HF Energy-475.217078
Nuclear repulsion energy107.173903
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 B2PLYP/3-21G
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 3205 3205 6.29 89.48 0.71 0.83
2 A1 3103 3103 19.66 191.10 0.00 0.01
3 A1 1568 1568 1.16 33.99 0.74 0.85
4 A1 1424 1424 1.45 1.48 0.25 0.40
5 A1 1077 1077 20.00 11.77 0.67 0.80
6 A1 626 626 3.70 26.55 0.17 0.29
7 A1 243 243 0.09 3.19 0.67 0.80
8 A2 3197 3197 0.00 9.32 0.75 0.86
9 A2 1551 1551 0.00 47.56 0.75 0.86
10 A2 978 978 0.00 11.09 0.75 0.86
11 A2 165 165 0.00 0.08 0.75 0.86
12 B1 3194 3194 23.55 94.98 0.75 0.86
13 B1 1561 1561 23.98 0.01 0.75 0.86
14 B1 1009 1009 9.85 9.46 0.75 0.86
15 B1 161 161 0.95 0.06 0.75 0.86
16 B2 3206 3206 2.17 44.39 0.75 0.86
17 B2 3105 3105 17.47 0.29 0.75 0.86
18 B2 1559 1559 19.98 0.00 0.75 0.86
19 B2 1398 1398 5.51 2.24 0.75 0.86
20 B2 954 954 0.33 2.36 0.75 0.86
21 B2 671 671 1.87 15.61 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16977.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16977.4 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 B2PLYP/3-21G
ABC
0.53945 0.23655 0.17556

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.699
C2 0.000 1.432 -0.550
C3 0.000 -1.432 -0.550
H4 0.000 2.348 0.038
H5 0.000 -2.348 0.038
H6 0.897 1.381 -1.165
H7 -0.897 1.381 -1.165
H8 -0.897 -1.381 -1.165
H9 0.897 -1.381 -1.165

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.89981.89982.43962.43962.48672.48672.48672.4867
C21.89982.86411.08883.82601.08921.08923.01573.0157
C31.89982.86413.82601.08883.01573.01571.08921.0892
H42.43961.08883.82604.69701.78591.78594.01974.0197
H52.43963.82601.08884.69704.01974.01971.78591.7859
H62.48671.08923.01571.78594.01971.79503.29322.7611
H72.48671.08923.01571.78594.01971.79502.76113.2932
H82.48673.01571.08924.01971.78593.29322.76111.7950
H92.48673.01571.08924.01971.78592.76113.29321.7950

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 106.236 S1 C2 H6 109.598
S1 C2 H7 109.598 S1 C3 H5 106.236
S1 C3 H8 109.598 S1 C3 H9 109.598
C2 S1 C3 97.837 H4 C2 H6 110.163
H4 C2 H7 110.163 H5 C3 H8 110.163
H5 C3 H9 110.163 H6 C2 H7 110.969
H8 C3 H9 110.969
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.221      
2 C -0.777      
3 C -0.777      
4 H 0.229      
5 H 0.229      
6 H 0.219      
7 H 0.219      
8 H 0.219      
9 H 0.219      


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 -1.909 1.909
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.027 0.000 0.000
y 0.000 -24.325 0.000
z 0.000 0.000 -28.981
Traceless
 xyz
x -2.374 0.000 0.000
y 0.000 4.679 0.000
z 0.000 0.000 -2.305
Polar
3z2-r2-4.610
x2-y2-4.702
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.797 0.000 0.000
y 0.000 6.836 0.000
z 0.000 0.000 5.370


<r2> (average value of r2) Å2
<r2> 80.490
(<r2>)1/2 8.972