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All results from a given calculation for CH3SOCH3 (Dimethyl sulfoxide)

using model chemistry: TPSSh/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/STO-3G
 hartrees
Energy at 0K-546.787198
Energy at 298.15K-546.793243
HF Energy-546.787198
Nuclear repulsion energy172.472506
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 TPSSh/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3507 3507 0.48 60.71 0.74 0.85
2 A' 3505 3505 2.11 44.48 0.73 0.84
3 A' 3301 3301 2.84 83.39 0.00 0.01
4 A' 1673 1673 4.88 1.05 0.64 0.78
5 A' 1662 1662 0.96 24.67 0.72 0.84
6 A' 1435 1435 0.32 0.45 0.61 0.76
7 A' 1018 1018 30.07 2.70 0.11 0.20
8 A' 987 987 17.05 8.98 0.70 0.82
9 A' 909 909 11.64 9.36 0.64 0.78
10 A' 622 622 29.89 27.96 0.12 0.21
11 A' 331 331 5.03 2.10 0.38 0.55
12 A' 263 263 0.09 2.31 0.63 0.77
13 A' 144 144 0.13 0.15 0.74 0.85
14 A" 3505 3505 0.67 11.48 0.75 0.86
15 A" 3504 3504 0.04 6.90 0.75 0.86
16 A" 3300 3300 6.30 0.55 0.75 0.86
17 A" 1667 1667 0.32 30.43 0.75 0.86
18 A" 1657 1657 2.35 4.24 0.75 0.86
19 A" 1410 1410 8.84 0.68 0.75 0.86
20 A" 913 913 3.54 5.47 0.75 0.86
21 A" 890 890 1.39 0.97 0.75 0.86
22 A" 566 566 48.86 19.55 0.75 0.86
23 A" 269 269 0.37 5.61 0.75 0.86
24 A" 100 100 0.04 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18568.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18568.9 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 TPSSh/STO-3G
ABC
0.20775 0.19444 0.12302

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.282 0.493 0.000
O2 -1.200 1.147 0.000
C3 0.282 -0.868 1.406
C4 0.282 -0.868 -1.406
H5 1.174 -1.500 1.286
H6 1.174 -1.500 -1.286
H7 0.314 -0.350 2.376
H8 0.314 -0.350 -2.376
H9 -0.633 -1.475 1.335
H10 -0.633 -1.475 -1.335

Atom - Atom Distances (Å)
  S1 O2 C3 C4 H5 H6 H7 H8 H9 H10
S11.61881.95701.95702.53402.53402.52132.52132.54812.5481
O21.61882.86862.86863.78003.78003.18983.18982.99582.9958
C31.95702.86862.81191.09982.90521.09973.81701.10002.9527
C41.95702.86862.81192.90521.09983.81701.09972.95271.1000
H52.53403.78001.09982.90522.57141.80233.93271.80783.1835
H62.53403.78002.90521.09982.57143.93271.80233.18351.8078
H72.52133.18981.09973.81701.80233.93274.75141.80093.9913
H82.52133.18983.81701.09973.93271.80234.75143.99131.8009
H92.54812.99581.10002.95271.80783.18351.80093.99132.6702
H102.54812.99582.95271.10003.18351.80783.99131.80092.6702

picture of Dimethyl sulfoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C3 H5 108.722 S1 C3 H7 107.831
S1 C3 H9 109.726 S1 C4 H6 108.722
S1 C4 H8 107.831 S1 C4 H10 109.726
O2 S1 C3 106.300 O2 S1 C4 106.300
C3 S1 C4 91.847 H5 C3 H7 110.059
H5 C3 H9 110.532 H6 C4 H8 110.059
H6 C4 H10 110.532 H7 C3 H9 109.918
H8 C4 H10 109.918
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.498      
2 O -0.352      
3 C -0.285      
4 C -0.285      
5 H 0.068      
6 H 0.068      
7 H 0.071      
8 H 0.071      
9 H 0.073      
10 H 0.073      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.782 -1.431 0.000 2.286
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.139 -1.210 0.000
y -1.210 3.970 0.000
z 0.000 0.000 4.632


<r2> (average value of r2) Å2
<r2> 110.669
(<r2>)1/2 10.520