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

using model chemistry: MP2=FULL/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-477.408731
Energy at 298.15K 
HF Energy-476.802234
Nuclear repulsion energy111.615835
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/cc-pVTZ
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 3188 3027 7.20 95.60 0.65 0.79
2 A1 3090 2933 27.89 295.64 0.00 0.00
3 A1 1513 1437 0.30 13.21 0.75 0.86
4 A1 1379 1310 0.30 0.21 0.70 0.82
5 A1 1060 1006 10.02 2.48 0.36 0.53
6 A1 732 695 2.46 15.85 0.11 0.19
7 A1 266 252 0.04 2.54 0.65 0.79
8 A2 3174 3013 0.00 14.30 0.75 0.86
9 A2 1489 1414 0.00 16.31 0.75 0.86
10 A2 966 917 0.00 2.07 0.75 0.86
11 A2 183 174 0.00 0.10 0.75 0.86
12 B1 3165 3005 20.97 107.81 0.75 0.86
13 B1 1499 1423 14.90 0.08 0.75 0.86
14 B1 1002 951 4.85 1.32 0.75 0.86
15 B1 193 184 0.93 0.18 0.75 0.86
16 B2 3190 3028 2.01 44.18 0.75 0.86
17 B2 3095 2938 23.04 1.25 0.75 0.86
18 B2 1505 1429 15.37 0.06 0.75 0.86
19 B2 1355 1287 4.59 1.14 0.75 0.86
20 B2 923 876 0.37 0.99 0.75 0.86
21 B2 785 745 0.00 7.10 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16875.5 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 16021.6 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 MP2=FULL/cc-pVTZ
ABC
0.58883 0.25972 0.19335

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.665
C2 0.000 1.357 -0.516
C3 0.000 -1.357 -0.516
H4 0.000 2.281 0.049
H5 0.000 -2.281 0.049
H6 0.887 1.325 -1.139
H7 -0.887 1.325 -1.139
H8 -0.887 -1.325 -1.139
H9 0.887 -1.325 -1.139

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.79871.79872.36332.36332.40752.40752.40752.4075
C21.79872.71321.08333.68151.08451.08452.89212.8921
C31.79872.71323.68151.08332.89212.89211.08451.0845
H42.36331.08333.68154.56281.76401.76403.89873.8987
H52.36333.68151.08334.56283.89873.89871.76401.7640
H62.40751.08452.89211.76403.89871.77453.18862.6492
H72.40751.08452.89211.76403.89871.77452.64923.1886
H82.40752.89211.08453.89871.76403.18862.64921.7745
H92.40752.89211.08453.89871.76402.64923.18861.7745

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 107.569 S1 C2 H6 110.785
S1 C2 H7 110.785 S1 C3 H5 107.569
S1 C3 H8 110.785 S1 C3 H9 110.785
C2 S1 C3 97.913 H4 C2 H6 108.922
H4 C2 H7 108.922 H5 C3 H8 108.922
H5 C3 H9 108.922 H6 C2 H7 109.792
H8 C3 H9 109.792
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability