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

using model chemistry: QCISD/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at QCISD/aug-cc-pVDZ
 hartrees
Energy at 0K-477.264053
Energy at 298.15K 
HF Energy-476.763670
Nuclear repulsion energy109.768064
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 QCISD/aug-cc-pVDZ
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 3147 3049 13.51      
2 A1 3038 2943 33.52      
3 A1 1475 1429 0.26      
4 A1 1361 1319 1.31      
5 A1 1050 1017 8.23      
6 A1 702 680 2.45      
7 A1 262 254 0.02      
8 A2 3128 3030 0.00      
9 A2 1452 1407 0.00      
10 A2 949 919 0.00      
11 A2 168 163 0.00      
12 B1 3122 3024 28.78      
13 B1 1464 1418 10.95      
14 B1 985 954 3.21      
15 B1 181 175 0.71      
16 B2 3147 3049 6.62      
17 B2 3041 2946 29.57      
18 B2 1467 1421 11.92      
19 B2 1335 1293 8.68      
20 B2 914 885 0.09      
21 B2 755 731 0.24      

Unscaled Zero Point Vibrational Energy (zpe) 16571.4 cm-1
Scaled (by 0.9687) Zero Point Vibrational Energy (zpe) 16052.7 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 QCISD/aug-cc-pVDZ
ABC
0.57157 0.25060 0.18691

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.675
C2 0.000 1.381 -0.523
C3 0.000 -1.381 -0.523
H4 0.000 2.321 0.052
H5 0.000 -2.321 0.052
H6 0.903 1.348 -1.156
H7 -0.903 1.348 -1.156
H8 -0.903 -1.348 -1.156
H9 0.903 -1.348 -1.156

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.82881.82882.40272.40272.44622.44622.44622.4462
C21.82882.76291.10163.74661.10271.10272.94372.9437
C31.82882.76293.74661.10162.94372.94371.10271.1027
H42.40271.10163.74664.64131.79451.79453.96673.9667
H52.40273.74661.10164.64133.96673.96671.79451.7945
H62.44621.10272.94371.79453.96671.80563.24502.6963
H72.44621.10272.94371.79453.96671.80562.69633.2450
H82.44622.94371.10273.96671.79453.24502.69631.8056
H92.44622.94371.10273.96671.79452.69633.24501.8056

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 107.550 S1 C2 H6 110.665
S1 C2 H7 110.665 S1 C3 H5 107.550
S1 C3 H8 110.665 S1 C3 H9 110.665
C2 S1 C3 98.121 H4 C2 H6 108.993
H4 C2 H7 108.993 H5 C3 H8 108.993
H5 C3 H9 108.993 H6 C2 H7 109.912
H8 C3 H9 109.912
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability