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

using model chemistry: mPW1PW91/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/TZVP
 hartrees
Energy at 0K-553.233250
Energy at 298.15K-553.240124
HF Energy-553.233250
Nuclear repulsion energy182.619815
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 mPW1PW91/TZVP
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' 3185 3038 2.46 93.55 0.70 0.83
2 A' 3177 3031 8.65 100.06 0.75 0.86
3 A' 3070 2928 7.22 276.03 0.00 0.00
4 A' 1476 1408 24.25 2.37 0.73 0.85
5 A' 1455 1389 5.73 16.36 0.71 0.83
6 A' 1348 1286 10.28 1.07 0.10 0.19
7 A' 1086 1036 139.00 7.82 0.48 0.65
8 A' 1029 982 17.56 4.27 0.59 0.74
9 A' 963 919 11.72 6.06 0.73 0.84
10 A' 655 625 8.51 27.77 0.12 0.21
11 A' 366 349 8.83 1.88 0.37 0.54
12 A' 279 266 0.48 2.43 0.71 0.83
13 A' 226 215 0.65 0.09 0.56 0.72
14 A" 3184 3037 0.85 40.90 0.75 0.86
15 A" 3174 3028 0.09 10.10 0.75 0.86
16 A" 3068 2927 3.90 0.40 0.75 0.86
17 A" 1458 1391 0.10 17.20 0.75 0.86
18 A" 1441 1375 12.21 2.31 0.75 0.86
19 A" 1325 1264 2.91 0.13 0.75 0.86
20 A" 933 890 6.27 4.89 0.75 0.86
21 A" 897 855 1.97 0.34 0.75 0.86
22 A" 683 652 17.63 17.00 0.75 0.86
23 A" 315 300 10.55 3.98 0.75 0.86
24 A" 170 162 0.00 0.23 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17480.2 cm-1
Scaled (by 0.954) Zero Point Vibrational Energy (zpe) 16676.1 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 mPW1PW91/TZVP
ABC
0.22844 0.22605 0.13758

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.262 0.428 0.000
O2 -1.107 1.076 0.000
C3 0.262 -0.786 1.359
C4 0.262 -0.786 -1.359
H5 1.188 -1.360 1.349
H6 1.188 -1.360 -1.349
H7 0.188 -0.217 2.283
H8 0.188 -0.217 -2.283
H9 -0.607 -1.435 1.254
H10 -0.607 -1.435 -1.254

Atom - Atom Distances (Å)
  S1 O2 C3 C4 H5 H6 H7 H8 H9 H10
S11.51431.82251.82252.42382.42382.37402.37402.40792.4079
O21.51432.68082.68083.60833.60832.92622.92622.85042.8504
C31.82252.68082.71751.08982.91871.08793.68691.08912.8285
C41.82252.68082.71752.91871.08983.68691.08792.82851.0891
H52.42383.60831.08982.91872.69771.78293.93681.79943.1626
H62.42383.60832.91871.08982.69773.93681.78293.16261.7994
H72.37402.92621.08793.68691.78293.93684.56651.78143.8241
H82.37402.92623.68691.08793.93681.78294.56653.82411.7814
H92.40792.85041.08912.82851.79943.16261.78143.82412.5075
H102.40792.85042.82851.08913.16261.79943.82411.78142.5075

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 110.110 S1 C3 H7 106.570
S1 C3 H9 108.966 S1 C4 H6 110.110
S1 C4 H8 106.570 S1 C4 H10 108.966
O2 S1 C3 106.552 O2 S1 C4 106.552
C3 S1 C4 96.417 H5 C3 H7 109.912
H5 C3 H9 111.343 H6 C4 H8 109.912
H6 C4 H10 111.343 H7 C3 H9 109.819
H8 C4 H10 109.819
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.517      
2 O -0.550      
3 C -0.426      
4 C -0.426      
5 H 0.128      
6 H 0.128      
7 H 0.162      
8 H 0.162      
9 H 0.152      
10 H 0.152      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.824 -3.320 0.000 4.358
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.643 2.566 0.000
y 2.566 -34.277 0.000
z 0.000 0.000 -28.482
Traceless
 xyz
x -4.264 2.566 0.000
y 2.566 -2.214 0.000
z 0.000 0.000 6.478
Polar
3z2-r212.955
x2-y2-1.366
xy2.566
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.301 -0.872 0.000
y -0.872 6.936 0.000
z 0.000 0.000 7.647


<r2> (average value of r2) Å2
<r2> 102.726
(<r2>)1/2 10.135