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

using model chemistry: B3LYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/6-31G(2df,p)
 hartrees
Energy at 0K-553.217561
Energy at 298.15K-553.224392
HF Energy-553.217561
Nuclear repulsion energy183.026681
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 B3LYP/6-31G(2df,p)
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' 3153 3042 4.06 99.40 0.70 0.82
2 A' 3146 3036 12.04 94.03 0.75 0.86
3 A' 3043 2937 5.85 205.49 0.00 0.00
4 A' 1476 1424 13.11 1.87 0.75 0.86
5 A' 1454 1403 2.44 21.02 0.72 0.84
6 A' 1331 1285 6.31 0.47 0.49 0.65
7 A' 1124 1085 112.29 7.82 0.36 0.53
8 A' 1019 983 20.16 4.24 0.61 0.76
9 A' 949 916 6.77 5.87 0.73 0.84
10 A' 633 611 8.24 23.67 0.11 0.19
11 A' 363 351 5.78 1.18 0.24 0.39
12 A' 284 274 0.54 1.52 0.70 0.82
13 A' 224 216 0.40 0.06 0.56 0.72
14 A" 3152 3041 2.67 36.49 0.75 0.86
15 A" 3142 3032 0.11 7.83 0.75 0.86
16 A" 3041 2935 3.93 0.10 0.75 0.86
17 A" 1457 1406 0.04 24.73 0.75 0.86
18 A" 1441 1390 6.39 2.79 0.75 0.86
19 A" 1308 1263 0.04 0.77 0.75 0.86
20 A" 918 886 8.16 3.76 0.75 0.86
21 A" 881 850 2.55 0.44 0.75 0.86
22 A" 657 634 16.74 12.29 0.75 0.86
23 A" 307 296 6.29 2.55 0.75 0.86
24 A" 177 171 0.00 0.04 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17339.7 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 16732.8 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 B3LYP/6-31G(2df,p)
ABC
0.22887 0.22707 0.13747

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.255 0.431 0.000
O2 -1.082 1.089 0.000
C3 0.255 -0.794 1.358
C4 0.255 -0.794 -1.358
H5 1.172 -1.388 1.323
H6 1.172 -1.388 -1.323
H7 0.214 -0.228 2.291
H8 0.214 -0.228 -2.291
H9 -0.630 -1.428 1.270
H10 -0.630 -1.428 -1.270

Atom - Atom Distances (Å)
  S1 O2 C3 C4 H5 H6 H7 H8 H9 H10
S11.49011.82861.82862.42892.42892.38402.38402.41942.4194
O21.49012.67872.67873.60063.60062.94332.94332.85542.8554
C31.82862.67872.71571.09312.89511.09143.69231.09282.8444
C41.82862.67872.71572.89511.09313.69231.09142.84441.0928
H52.42893.60061.09312.89512.64641.78803.91421.80323.1578
H62.42893.60062.89511.09312.64643.91421.78803.15781.8032
H72.38402.94331.09143.69231.78803.91424.58131.78773.8509
H82.38402.94333.69231.09143.91421.78804.58133.85091.7877
H92.41942.85541.09282.84441.80323.15781.78773.85092.5393
H102.41942.85542.84441.09283.15781.80323.85091.78772.5393

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 109.905 S1 C3 H7 106.724
S1 C3 H9 109.217 S1 C4 H6 109.905
S1 C4 H8 106.724 S1 C4 H10 109.217
O2 S1 C3 107.198 O2 S1 C4 107.198
C3 S1 C4 95.904 H5 C3 H7 109.869
H5 C3 H9 111.168 H6 C4 H8 109.869
H6 C4 H10 111.168 H7 C3 H9 109.855
H8 C4 H10 109.855
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.314      
2 O -0.370      
3 C -0.418      
4 C -0.418      
5 H 0.137      
6 H 0.137      
7 H 0.158      
8 H 0.158      
9 H 0.151      
10 H 0.151      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.169 -2.956 0.000 3.666
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.348 1.951 0.000
y 1.951 -33.374 0.000
z 0.000 0.000 -28.268
Traceless
 xyz
x -3.528 1.951 0.000
y 1.951 -2.065 0.000
z 0.000 0.000 5.593
Polar
3z2-r211.186
x2-y2-0.975
xy1.951
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.866 -0.691 0.000
y -0.691 6.592 0.000
z 0.000 0.000 7.352


<r2> (average value of r2) Å2
<r2> 102.203
(<r2>)1/2 10.110