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: B3LYP/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/CEP-121G*
 hartrees
Energy at 0K-25.063685
Energy at 298.15K 
HF Energy-25.063685
Nuclear repulsion energy43.295544
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 B3LYP/CEP-121G*
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 3117 3022 23.35 116.06 0.67 0.80
2 A1 3015 2923 47.64 294.84 0.00 0.00
3 A1 1498 1452 0.15 23.55 0.75 0.86
4 A1 1383 1341 3.43 1.36 0.19 0.32
5 A1 1053 1021 16.70 7.91 0.47 0.64
6 A1 680 659 3.62 20.95 0.16 0.27
7 A1 256 249 0.03 3.06 0.58 0.74
8 A2 3097 3003 0.00 18.96 0.75 0.86
9 A2 1477 1431 0.00 31.07 0.75 0.86
10 A2 949 920 0.00 8.47 0.75 0.86
11 A2 179 173 0.00 0.33 0.75 0.86
12 B1 3091 2997 58.47 143.14 0.75 0.86
13 B1 1486 1440 19.34 0.02 0.75 0.86
14 B1 986 956 6.18 5.40 0.75 0.86
15 B1 181 175 1.00 0.03 0.75 0.86
16 B2 3118 3023 11.12 62.73 0.75 0.86
17 B2 3017 2924 42.82 1.15 0.75 0.86
18 B2 1490 1445 20.40 0.08 0.75 0.86
19 B2 1355 1314 8.50 4.91 0.75 0.86
20 B2 911 883 0.03 4.42 0.75 0.86
21 B2 732 709 0.17 11.58 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16535.6 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 16029.6 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 B3LYP/CEP-121G*
ABC
0.57816 0.24417 0.18380

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.670
C2 0.000 1.402 -0.521
C3 0.000 -1.402 -0.521
H4 0.000 2.324 0.069
H5 0.000 -2.324 0.069
H6 0.896 1.387 -1.152
H7 -0.896 1.387 -1.152
H8 -0.896 -1.387 -1.152
H9 0.896 -1.387 -1.152

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.83951.83952.40082.40082.45922.45922.45922.4592
C21.83952.80361.09513.77261.09651.09652.99632.9963
C31.83952.80363.77261.09512.99632.99631.09651.0965
H42.40081.09513.77264.64871.78171.78174.00844.0084
H52.40083.77261.09514.64874.00844.00841.78171.7817
H62.45921.09652.99631.78174.00841.79283.30242.7734
H72.45921.09652.99631.78174.00841.79282.77343.3024
H82.45922.99631.09654.00841.78173.30242.77341.7928
H92.45922.99631.09654.00841.78172.77343.30241.7928

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 107.045 S1 C2 H6 111.245
S1 C2 H7 111.245 S1 C3 H5 107.045
S1 C3 H8 111.245 S1 C3 H9 111.245
C2 S1 C3 99.293 H4 C2 H6 108.772
H4 C2 H7 108.772 H5 C3 H8 108.772
H5 C3 H9 108.772 H6 C2 H7 109.667
H8 C3 H9 109.667
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.025      
2 C -0.572      
3 C -0.572      
4 H 0.196      
5 H 0.196      
6 H 0.182      
7 H 0.182      
8 H 0.182      
9 H 0.182      


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 -1.659 1.659
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.151 0.000 0.000
y 0.000 -23.363 0.000
z 0.000 0.000 -27.757
Traceless
 xyz
x -2.591 0.000 0.000
y 0.000 4.591 0.000
z 0.000 0.000 -2.000
Polar
3z2-r2-4.000
x2-y2-4.788
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.107 0.000 0.000
y 0.000 7.717 0.000
z 0.000 0.000 6.289


<r2> (average value of r2) Å2
<r2> 64.121
(<r2>)1/2 8.008