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

using model chemistry: CISD/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 CISD/cc-pVTZ
 hartrees
Energy at 0K-477.304757
Energy at 298.15K 
HF Energy-476.802465
Nuclear repulsion energy111.433636
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/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 3234 3007 11.56      
2 A1 3133 2913 28.91      
3 A1 1549 1440 0.52      
4 A1 1428 1328 0.62      
5 A1 1096 1019 10.38      
6 A1 741 689 2.63      
7 A1 273 253 0.03      
8 A2 3219 2993 0.00      
9 A2 1525 1418 0.00      
10 A2 994 925 0.00      
11 A2 181 169 0.00      
12 B1 3213 2987 29.01      
13 B1 1534 1426 13.74      
14 B1 1030 958 3.94      
15 B1 193 179 1.02      
16 B2 3235 3008 3.91      
17 B2 3135 2915 27.88      
18 B2 1541 1433 14.26      
19 B2 1404 1305 6.11      
20 B2 950 884 0.20      
21 B2 799 743 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 17202.7 cm-1
Scaled (by 0.9298) Zero Point Vibrational Energy (zpe) 15995.0 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/cc-pVTZ
ABC
0.59886 0.25526 0.19184

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.658
C2 0.000 1.370 -0.510
C3 0.000 -1.370 -0.510
H4 0.000 2.286 0.064
H5 0.000 -2.286 0.064
H6 0.885 1.347 -1.133
H7 -0.885 1.347 -1.133
H8 -0.885 -1.347 -1.133
H9 0.885 -1.347 -1.133

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.80061.80062.36252.36252.41022.41022.41022.4102
C21.80062.73951.08183.70111.08281.08282.92462.9246
C31.80062.73953.70111.08182.92462.92461.08281.0828
H42.36251.08183.70114.57301.76061.76063.92693.9269
H52.36253.70111.08184.57303.92693.92691.76061.7606
H62.41021.08282.92461.76063.92691.77073.22412.6943
H72.41021.08282.92461.76063.92691.77072.69433.2241
H82.41022.92461.08283.92691.76063.22412.69431.7707
H92.41022.92461.08283.92691.76062.69433.22411.7707

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 107.461 S1 C2 H6 110.950
S1 C2 H7 110.950 S1 C3 H5 107.461
S1 C3 H8 110.950 S1 C3 H9 110.950
C2 S1 C3 99.054 H4 C2 H6 108.852
H4 C2 H7 108.852 H5 C3 H8 108.852
H5 C3 H9 108.852 H6 C2 H7 109.704
H8 C3 H9 109.704
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability