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

using model chemistry: B2PLYP/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP/6-31G**
 hartrees
Energy at 0K-628.028155
Energy at 298.15K 
HF Energy-627.760365
Nuclear repulsion energy271.532345
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 B2PLYP/6-31G**
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 3222 3222 0.63      
2 A1 3111 3111 1.53      
3 A1 1497 1497 2.48      
4 A1 1394 1394 12.52      
5 A1 1146 1146 157.21      
6 A1 1030 1030 0.25      
7 A1 683 683 11.37      
8 A1 479 479 24.69      
9 A1 270 270 2.32      
10 A2 3222 3222 0.00      
11 A2 1484 1484 0.00      
12 A2 963 963 0.00      
13 A2 284 284 0.00      
14 A2 189 189 0.00      
15 B1 3225 3225 2.90      
16 B1 1500 1500 10.80      
17 B1 1337 1337 206.43      
18 B1 1019 1019 0.67      
19 B1 359 359 0.83      
20 B1 219 219 0.45      
21 B2 3221 3221 0.47      
22 B2 3109 3109 0.03      
23 B2 1488 1488 7.23      
24 B2 1376 1376 11.23      
25 B2 973 973 62.28      
26 B2 757 757 50.24      
27 B2 443 443 35.86      

Unscaled Zero Point Vibrational Energy (zpe) 18997.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18997.9 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 B2PLYP/6-31G**
ABC
0.14897 0.13830 0.13614

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.192
O2 -1.279 0.000 0.917
O3 1.279 0.000 0.917
C4 0.000 1.412 -0.920
C5 0.000 -1.412 -0.920
H6 0.000 2.295 -0.284
H7 0.000 -2.295 -0.284
H8 0.900 1.394 -1.533
H9 -0.900 1.394 -1.533
H10 -0.900 -1.394 -1.533
H11 0.900 -1.394 -1.533

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.47011.47011.79751.79752.34372.34372.39312.39312.39312.3931
O21.47012.55852.64642.64642.88852.88853.56212.84352.84353.5621
O31.47012.55852.64642.64642.88852.88852.84353.56213.56212.8435
C41.79752.64642.64642.82341.08883.76091.08831.08833.00913.0091
C51.79752.64642.64642.82343.76091.08883.00913.00911.08831.0883
H62.34372.88852.88851.08883.76094.58971.78371.78373.99693.9969
H72.34372.88852.88853.76091.08884.58973.99693.99691.78371.7837
H82.39313.56212.84351.08833.00911.78373.99691.79903.31752.7874
H92.39312.84353.56211.08833.00911.78373.99691.79902.78743.3175
H102.39312.84353.56213.00911.08833.99691.78373.31752.78741.7990
H112.39313.56212.84353.00911.08833.99691.78372.78743.31751.7990

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 105.966 S1 C4 H8 109.591
S1 C4 H9 109.591 S1 C5 H7 105.966
S1 C5 H10 109.591 S1 C5 H11 109.591
O2 S1 O3 120.965 O2 S1 C4 107.757
O2 S1 C5 107.757 O3 S1 C4 107.757
O3 S1 C5 107.757 C4 S1 C5 103.514
H6 C4 H8 110.029 H6 C4 H9 110.029
H7 C5 H10 110.029 H7 C5 H11 110.029
H8 C4 H9 111.483 H10 C5 H11 111.483
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.114      
2 O -0.541      
3 O -0.541      
4 C -0.519      
5 C -0.519      
6 H 0.185      
7 H 0.185      
8 H 0.159      
9 H 0.159      
10 H 0.159      
11 H 0.159      


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 -4.597 4.597
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.139 0.000 0.000
y 0.000 -31.821 0.000
z 0.000 0.000 -38.419
Traceless
 xyz
x -8.019 0.000 0.000
y 0.000 8.958 0.000
z 0.000 0.000 -0.939
Polar
3z2-r2-1.878
x2-y2-11.318
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.350 0.000 0.000
y 0.000 6.735 0.000
z 0.000 0.000 6.317


<r2> (average value of r2) Å2
<r2> 128.998
(<r2>)1/2 11.358