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All results from a given calculation for C2H6O2S (Dimethyl sulfone)

using model chemistry: B3PW91/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/cc-pVTZ
 hartrees
Energy at 0K-628.417478
Energy at 298.15K 
HF Energy-628.417478
Nuclear repulsion energy273.578458
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 B3PW91/cc-pVTZ
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 3168 3047 0.58      
2 A1 3066 2948 1.44      
3 A1 1451 1395 3.22      
4 A1 1337 1286 22.23      
5 A1 1162 1117 153.40      
6 A1 1002 964 1.70      
7 A1 673 647 12.23      
8 A1 481 463 23.04      
9 A1 265 255 2.68      
10 A2 3173 3052 0.00      
11 A2 1440 1385 0.00      
12 A2 924 889 0.00      
13 A2 289 278 0.00      
14 A2 177 170 0.00      
15 B1 3178 3055 1.65      
16 B1 1457 1402 5.41      
17 B1 1351 1299 229.17      
18 B1 982 944 1.19      
19 B1 350 337 0.28      
20 B1 209 201 0.50      
21 B2 3167 3046 0.77      
22 B2 3063 2946 0.15      
23 B2 1440 1385 6.01      
24 B2 1320 1270 15.30      
25 B2 937 901 73.29      
26 B2 734 706 44.03      
27 B2 447 430 33.40      

Unscaled Zero Point Vibrational Energy (zpe) 18620.7 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 17905.7 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 B3PW91/cc-pVTZ
ABC
0.15196 0.14050 0.13717

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.188
O2 -1.259 0.000 0.913
O3 1.259 0.000 0.913
C4 0.000 1.409 -0.915
C5 0.000 -1.409 -0.915
H6 0.000 2.284 -0.266
H7 0.000 -2.284 -0.266
H8 0.901 1.393 -1.524
H9 -0.901 1.393 -1.524
H10 -0.901 -1.393 -1.524
H11 0.901 -1.393 -1.524

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.45291.45291.78951.78952.32832.32832.38412.38412.38412.3841
O21.45292.51872.62902.62902.86182.86183.54202.82942.82943.5420
O31.45292.51872.62902.62902.86182.86182.82943.54203.54202.8294
C41.78952.62902.62902.81791.08903.74901.08791.08793.00533.0053
C51.78952.62902.62902.81793.74901.08903.00533.00531.08791.0879
H62.32832.86182.86181.08903.74904.56701.78561.78563.98863.9886
H72.32832.86182.86183.74901.08904.56703.98863.98861.78561.7856
H82.38413.54202.82941.08793.00531.78563.98861.80273.31772.7853
H92.38412.82943.54201.08793.00531.78563.98861.80272.78533.3177
H102.38412.82943.54203.00531.08793.98861.78563.31772.78531.8027
H112.38413.54202.82943.00531.08793.98861.78562.78533.31771.8027

picture of Dimethyl sulfone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C4 H6 105.366 S1 C4 H8 109.471
S1 C4 H9 109.471 S1 C5 H7 105.366
S1 C5 H10 109.471 S1 C5 H11 109.471
O2 S1 O3 120.177 O2 S1 C4 107.905
O2 S1 C5 107.905 O3 S1 C4 107.905
O3 S1 C5 107.905 C4 S1 C5 103.876
H6 C4 H8 110.217 H6 C4 H9 110.217
H7 C5 H10 110.217 H7 C5 H11 110.217
H8 C4 H9 111.888 H10 C5 H11 111.888
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.784      
2 O -0.459      
3 O -0.459      
4 C -0.280      
5 C -0.280      
6 H 0.127      
7 H 0.127      
8 H 0.110      
9 H 0.110      
10 H 0.110      
11 H 0.110      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -4.533 4.533
CHELPG 0.000 0.000 0.000 0.000
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.670 0.000 0.000
y 0.000 -31.465 0.000
z 0.000 0.000 -38.016
Traceless
 xyz
x -7.930 0.000 0.000
y 0.000 8.879 0.000
z 0.000 0.000 -0.949
Polar
3z2-r2-1.898
x2-y2-11.206
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.970 0.000 0.000
y 0.000 7.807 0.000
z 0.000 0.000 7.148


<r2> (average value of r2) Å2
<r2> 127.356
(<r2>)1/2 11.285