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

using model chemistry: CISD/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 CISD/6-31G*
 hartrees
Energy at 0K-477.114257
Energy at 298.15K 
HF Energy-476.735100
Nuclear repulsion energy110.934844
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 CISD/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 3245 3004 12.41      
2 A1 3145 2911 30.05      
3 A1 1573 1456 0.15      
4 A1 1475 1365 1.83      
5 A1 1122 1039 18.95      
6 A1 747 691 2.90      
7 A1 283 262 0.01      
8 A2 3230 2991 0.00      
9 A2 1546 1432 0.00      
10 A2 1023 947 0.00      
11 A2 188 174 0.00      
12 B1 3225 2986 32.01      
13 B1 1557 1441 17.10      
14 B1 1060 981 6.62      
15 B1 195 181 1.01      
16 B2 3246 3005 5.44      
17 B2 3145 2912 26.74      
18 B2 1564 1448 18.04      
19 B2 1450 1342 3.95      
20 B2 978 906 0.06      
21 B2 805 745 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 17400.0 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 16108.9 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 CISD/6-31G*
ABC
0.59248 0.25347 0.19031

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.662
C2 0.000 1.373 -0.512
C3 0.000 -1.373 -0.512
H4 0.000 2.299 0.062
H5 0.000 -2.299 0.062
H6 0.890 1.354 -1.142
H7 -0.890 1.354 -1.142
H8 -0.890 -1.354 -1.142
H9 0.890 -1.354 -1.142

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.80711.80712.37582.37582.42452.42452.42452.4245
C21.80712.74691.08873.71671.08981.08982.93722.9372
C31.80712.74693.71671.08872.93722.93721.08981.0898
H42.37581.08873.71674.59731.76941.76943.94743.9474
H52.37583.71671.08874.59733.94743.94741.76941.7694
H62.42451.08982.93721.76943.94741.77933.24062.7084
H72.42451.08982.93721.76943.94741.77932.70843.2406
H82.42452.93721.08983.94741.76943.24062.70841.7793
H92.42452.93721.08983.94741.76942.70843.24061.7793

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 107.657 S1 C2 H6 111.207
S1 C2 H7 111.207 S1 C3 H5 107.657
S1 C3 H8 111.207 S1 C3 H9 111.207
C2 S1 C3 98.937 H4 C2 H6 108.624
H4 C2 H7 108.624 H5 C3 H8 108.624
H5 C3 H9 108.624 H6 C2 H7 109.437
H8 C3 H9 109.437
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability