return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: mPW1PW91/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-553.271210
Energy at 298.15K-553.278155
HF Energy-553.271210
Nuclear repulsion energy184.985420
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/Def2TZVPP
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' 3172 3172 2.85 94.93 0.71 0.83
2 A' 3166 3166 8.48 93.12 0.74 0.85
3 A' 3061 3061 5.97 293.69 0.00 0.00
4 A' 1475 1475 18.41 1.62 0.75 0.86
5 A' 1453 1453 4.56 11.95 0.71 0.83
6 A' 1337 1337 13.18 1.58 0.09 0.17
7 A' 1148 1148 142.83 9.80 0.50 0.66
8 A' 1027 1027 17.29 1.23 0.46 0.63
9 A' 961 961 5.84 2.57 0.72 0.84
10 A' 669 669 7.48 23.18 0.11 0.20
11 A' 375 375 6.55 1.48 0.40 0.58
12 A' 285 285 0.43 2.26 0.71 0.83
13 A' 232 232 0.41 0.11 0.66 0.79
14 A" 3172 3172 0.98 39.33 0.75 0.86
15 A" 3162 3162 0.08 9.84 0.75 0.86
16 A" 3059 3059 3.16 0.54 0.75 0.86
17 A" 1456 1456 0.03 12.60 0.75 0.86
18 A" 1439 1439 9.47 1.19 0.75 0.86
19 A" 1316 1316 2.71 0.06 0.75 0.86
20 A" 929 929 10.11 2.05 0.75 0.86
21 A" 888 888 2.83 0.02 0.75 0.86
22 A" 695 695 16.88 11.54 0.75 0.86
23 A" 325 325 9.01 3.20 0.75 0.86
24 A" 188 188 0.00 0.12 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17493.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17493.9 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 mPW1PW91/Def2TZVPP
ABC
0.23540 0.23130 0.14102

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.255 0.423 0.000
O2 -1.080 1.065 0.000
C3 0.255 -0.776 1.344
C4 0.255 -0.776 -1.344
H5 1.176 -1.357 1.324
H6 1.176 -1.357 -1.324
H7 0.198 -0.208 2.269
H8 0.198 -0.208 -2.269
H9 -0.619 -1.420 1.250
H10 -0.619 -1.420 -1.250

Atom - Atom Distances (Å)
  S1 O2 C3 C4 H5 H6 H7 H8 H9 H10
S11.48101.80071.80072.40192.40192.35612.35612.39132.3913
O21.48102.64142.64143.56483.56482.89872.89872.81932.8193
C31.80072.64142.68771.08922.88171.08773.65821.08912.8114
C41.80072.64142.68772.88171.08923.65821.08772.81141.0891
H52.40193.56481.08922.88172.64831.78083.89771.79743.1385
H62.40193.56482.88171.08922.64833.89771.78083.13851.7974
H72.35612.89871.08773.65821.78083.89774.53891.78193.8105
H82.35612.89873.65821.08773.89771.78084.53893.81051.7819
H92.39132.81931.08912.81141.79743.13851.78193.81052.4994
H102.39132.81932.81141.08913.13851.79743.81051.78192.4994

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 109.976 S1 C3 H7 106.694
S1 C3 H9 109.195 S1 C4 H6 109.976
S1 C4 H8 106.694 S1 C4 H10 109.195
O2 S1 C3 106.790 O2 S1 C4 106.790
C3 S1 C4 96.535 H5 C3 H7 109.780
H5 C3 H9 111.200 H6 C4 H8 109.780
H6 C4 H10 111.200 H7 C3 H9 109.889
H8 C4 H10 109.889
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.453      
2 O -0.550      
3 C -0.284      
4 C -0.284      
5 H 0.100      
6 H 0.100      
7 H 0.123      
8 H 0.123      
9 H 0.110      
10 H 0.110      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.423 -3.128 0.000 3.957
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.028 2.111 0.000
y 2.111 -33.804 0.000
z 0.000 0.000 -28.342
Traceless
 xyz
x -3.955 2.111 0.000
y 2.111 -2.119 0.000
z 0.000 0.000 6.074
Polar
3z2-r212.149
x2-y2-1.224
xy2.111
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.482 -0.697 0.000
y -0.697 7.167 0.000
z 0.000 0.000 7.966


<r2> (average value of r2) Å2
<r2> 100.546
(<r2>)1/2 10.027