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

using model chemistry: MP2/cc-pVQZ

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/cc-pVQZ
 hartrees
Energy at 0K-477.388429
Energy at 298.15K 
HF Energy-476.812126
Nuclear repulsion energy111.549968
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/cc-pVQZ
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 3024 7.55 89.68 0.67 0.80
2 A1 3070 2912 26.85 327.83 0.00 0.00
3 A1 1502 1425 0.44 9.71 0.75 0.85
4 A1 1372 1301 0.29 0.23 0.60 0.75
5 A1 1061 1006 9.77 1.39 0.22 0.36
6 A1 730 692 2.48 16.98 0.09 0.17
7 A1 266 252 0.03 2.75 0.64 0.78
8 A2 3173 3009 0.00 16.20 0.75 0.86
9 A2 1478 1402 0.00 11.95 0.75 0.86
10 A2 966 916 0.00 0.87 0.75 0.86
11 A2 189 179 0.00 0.08 0.75 0.86
12 B1 3163 3000 17.93 110.02 0.75 0.86
13 B1 1488 1411 14.74 0.07 0.75 0.86
14 B1 1001 949 4.39 0.32 0.75 0.86
15 B1 196 186 0.82 0.17 0.75 0.86
16 B2 3190 3025 1.34 42.91 0.75 0.86
17 B2 3076 2917 22.47 1.76 0.75 0.86
18 B2 1494 1417 14.91 0.08 0.75 0.86
19 B2 1348 1279 4.08 0.47 0.75 0.86
20 B2 924 876 0.31 0.52 0.75 0.86
21 B2 784 743 0.01 7.11 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16829.1 cm-1
Scaled (by 0.9484) Zero Point Vibrational Energy (zpe) 15960.7 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/cc-pVQZ
ABC
0.59030 0.25899 0.19317

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.664
C2 0.000 1.358 -0.515
C3 0.000 -1.358 -0.515
H4 0.000 2.284 0.054
H5 0.000 -2.284 0.054
H6 0.889 1.327 -1.139
H7 -0.889 1.327 -1.139
H8 -0.889 -1.327 -1.139
H9 0.889 -1.327 -1.139

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.79831.79832.36402.36402.40862.40862.40862.4086
C21.79832.71681.08603.68631.08711.08712.89692.8969
C31.79832.71683.68631.08602.89692.89691.08711.0871
H42.36401.08603.68634.56771.76881.76883.90533.9053
H52.36403.68631.08604.56773.90533.90531.76881.7688
H62.40861.08712.89691.76883.90531.77903.19502.6540
H72.40861.08712.89691.76883.90531.77902.65403.1950
H82.40862.89691.08713.90531.76883.19502.65401.7790
H92.40862.89691.08713.90531.76882.65403.19501.7790

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 107.509 S1 C2 H6 110.758
S1 C2 H7 110.758 S1 C3 H5 107.509
S1 C3 H8 110.758 S1 C3 H9 110.758
C2 S1 C3 98.116 H4 C2 H6 108.969
H4 C2 H7 108.969 H5 C3 H8 108.969
H5 C3 H9 108.969 H6 C2 H7 109.814
H8 C3 H9 109.814
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability