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

using model chemistry: MP2=FULL/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 MP2=FULL/3-21G
 hartrees
Energy at 0K-474.600900
Energy at 298.15K 
HF Energy-474.347691
Nuclear repulsion energy106.959641
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=FULL/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 3216 3071 6.34 83.93 0.72 0.84
2 A1 3112 2972 17.37 171.66 0.00 0.01
3 A1 1583 1512 0.83 33.89 0.73 0.85
4 A1 1443 1377 1.57 1.82 0.27 0.43
5 A1 1081 1032 18.79 12.17 0.69 0.82
6 A1 629 601 2.83 24.55 0.17 0.29
7 A1 245 234 0.05 2.98 0.68 0.81
8 A2 3211 3066 0.00 7.61 0.75 0.86
9 A2 1564 1493 0.00 47.33 0.75 0.86
10 A2 987 942 0.00 11.00 0.75 0.86
11 A2 169 162 0.00 0.08 0.75 0.86
12 B1 3207 3062 22.15 89.13 0.75 0.86
13 B1 1574 1503 21.38 0.02 0.75 0.86
14 B1 1017 971 8.43 9.38 0.75 0.86
15 B1 166 158 0.84 0.05 0.75 0.86
16 B2 3217 3071 2.18 40.42 0.75 0.86
17 B2 3116 2975 15.20 1.13 0.75 0.86
18 B2 1575 1504 17.41 0.03 0.75 0.86
19 B2 1417 1353 5.86 2.28 0.75 0.86
20 B2 961 918 0.24 2.03 0.75 0.86
21 B2 677 646 1.20 14.44 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17082.9 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 16310.8 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=FULL/3-21G
ABC
0.53454 0.23632 0.17493

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.703
C2 0.000 1.433 -0.553
C3 0.000 -1.433 -0.553
H4 0.000 2.353 0.033
H5 0.000 -2.353 0.033
H6 0.898 1.379 -1.169
H7 -0.898 1.379 -1.169
H8 -0.898 -1.379 -1.169
H9 0.898 -1.379 -1.169

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.90461.90462.44612.44612.49232.49232.49232.4923
C21.90462.86521.09053.83021.09061.09063.01563.0156
C31.90462.86523.83021.09053.01563.01561.09061.0906
H42.44611.09053.83024.70521.78821.78824.02234.0223
H52.44613.83021.09054.70524.02234.02231.78821.7882
H62.49231.09063.01561.78824.02231.79643.29212.7588
H72.49231.09063.01561.78824.02231.79642.75883.2921
H82.49233.01561.09064.02231.78823.29212.75881.7964
H92.49233.01561.09064.02231.78822.75883.29211.7964

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 106.311 S1 C2 H6 109.615
S1 C2 H7 109.615 S1 C3 H5 106.311
S1 C3 H8 109.615 S1 C3 H9 109.615
C2 S1 C3 97.555 H4 C2 H6 110.150
H4 C2 H7 110.150 H5 C3 H8 110.150
H5 C3 H9 110.150 H6 C2 H7 110.893
H8 C3 H9 110.893
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability