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

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-476.910357
Energy at 298.15K 
HF Energy-476.667025
Nuclear repulsion energy107.187303
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 MP2/6-31G
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 3205 3067 11.18 91.65 0.71 0.83
2 A1 3088 2955 25.32 202.80 0.00 0.01
3 A1 1555 1488 0.50 33.94 0.74 0.85
4 A1 1444 1381 2.57 2.33 0.26 0.42
5 A1 1088 1041 21.54 12.32 0.67 0.81
6 A1 649 621 2.22 25.56 0.17 0.29
7 A1 250 239 0.03 2.76 0.66 0.79
8 A2 3195 3057 0.00 9.73 0.75 0.86
9 A2 1531 1465 0.00 47.07 0.75 0.86
10 A2 999 956 0.00 12.23 0.75 0.86
11 A2 159 152 0.00 0.09 0.75 0.86
12 B1 3190 3053 32.78 104.40 0.75 0.86
13 B1 1540 1474 20.41 0.06 0.75 0.86
14 B1 1030 986 8.41 9.21 0.75 0.86
15 B1 161 154 0.89 0.04 0.75 0.86
16 B2 3206 3067 4.36 47.23 0.75 0.86
17 B2 3092 2958 23.89 0.71 0.75 0.86
18 B2 1546 1480 17.59 0.00 0.75 0.86
19 B2 1420 1359 5.21 3.31 0.75 0.86
20 B2 964 922 0.06 2.49 0.75 0.86
21 B2 703 673 0.52 14.92 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17006.9 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 16272.2 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 MP2/6-31G
ABC
0.54661 0.23529 0.17565

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.693
C2 0.000 1.434 -0.543
C3 0.000 -1.434 -0.543
H4 0.000 2.355 0.047
H5 0.000 -2.355 0.047
H6 0.899 1.396 -1.167
H7 -0.899 1.396 -1.167
H8 -0.899 -1.396 -1.167
H9 0.899 -1.396 -1.167

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.89291.89292.44222.44222.49292.49292.49292.4929
C21.89292.86791.09413.83491.09481.09483.03423.0342
C31.89292.86793.83491.09413.03423.03421.09481.0948
H42.44221.09413.83494.71061.78921.78924.04414.0441
H52.44223.83491.09414.71064.04414.04411.78921.7892
H62.49291.09483.03421.78924.04411.79803.32112.7923
H72.49291.09483.03421.78924.04411.79802.79233.3211
H82.49293.03421.09484.04411.78923.32112.79231.7980
H92.49293.03421.09484.04411.78922.79233.32111.7980

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 106.607 S1 C2 H6 110.226
S1 C2 H7 110.226 S1 C3 H5 106.607
S1 C3 H8 110.226 S1 C3 H9 110.226
C2 S1 C3 98.493 H4 C2 H6 109.654
H4 C2 H7 109.654 H5 C3 H8 109.654
H5 C3 H9 109.654 H6 C2 H7 110.399
H8 C3 H9 110.399
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability