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

using model chemistry: PBEPBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/3-21G
 hartrees
Energy at 0K-624.619835
Energy at 298.15K 
HF Energy-624.619835
Nuclear repulsion energy254.119012
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 PBEPBE/3-21G
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 3147 3119 0.02      
2 A1 3024 2997 0.67      
3 A1 1458 1445 4.58      
4 A1 1317 1305 10.91      
5 A1 1013 1004 62.90      
6 A1 892 884 21.47      
7 A1 526 521 22.53      
8 A1 386 382 9.92      
9 A1 229 227 1.50      
10 A2 3143 3115 0.00      
11 A2 1457 1444 0.00      
12 A2 893 884 0.00      
13 A2 187 186 0.00      
14 A2 132 130 0.00      
15 B1 3147 3118 0.79      
16 B1 1473 1459 29.51      
17 B1 1128 1118 73.13      
18 B1 923 914 0.21      
19 B1 265 263 0.92      
20 B1 164 162 0.29      
21 B2 3146 3117 0.13      
22 B2 3022 2994 0.25      
23 B2 1446 1433 15.90      
24 B2 1293 1282 5.68      
25 B2 907 899 22.46      
26 B2 582 577 72.01      
27 B2 299 296 17.10      

Unscaled Zero Point Vibrational Energy (zpe) 17799.2 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 17637.2 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 PBEPBE/3-21G
ABC
0.12514 0.12457 0.11979

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.215
O2 -1.384 0.000 1.019
O3 1.384 0.000 1.019
C4 0.000 1.459 -1.030
C5 0.000 -1.459 -1.030
H6 0.000 2.374 -0.423
H7 0.000 -2.374 -0.423
H8 0.915 1.376 -1.633
H9 -0.915 1.376 -1.633
H10 -0.915 -1.376 -1.633
H11 0.915 -1.376 -1.633

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.60071.60071.91741.91742.45872.45872.47852.47852.47852.4785
O21.60072.76822.87062.87063.10373.10373.76953.02383.02383.7695
O31.60072.76822.87062.87063.10373.10373.02383.76953.76953.0238
C41.91742.87062.87062.91711.09863.88081.09881.09883.03883.0388
C51.91742.87062.87062.91713.88081.09863.03883.03881.09881.0988
H62.45873.10373.10371.09863.88084.74901.81591.81594.04544.0454
H72.45873.10373.10373.88081.09864.74904.04544.04541.81591.8159
H82.47853.76953.02381.09883.03881.81594.04541.82993.30462.7517
H92.47853.02383.76951.09883.03881.81594.04541.82992.75173.3046
H102.47853.02383.76953.03881.09884.04541.81593.30462.75171.8299
H112.47853.76953.02383.03881.09884.04541.81592.75173.30461.8299

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 106.006 S1 C4 H8 107.388
S1 C4 H9 107.388 S1 C5 H7 106.006
S1 C5 H10 107.388 S1 C5 H11 107.388
O2 S1 O3 119.694 O2 S1 C4 109.030
O2 S1 C5 109.030 O3 S1 C4 109.030
O3 S1 C5 109.030 C4 S1 C5 99.051
H6 C4 H8 111.452 H6 C4 H9 111.452
H7 C5 H10 111.452 H7 C5 H11 111.452
H8 C4 H9 112.750 H10 C5 H11 112.750
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.234      
2 O -0.514      
3 O -0.514      
4 C -0.897      
5 C -0.897      
6 H 0.281      
7 H 0.281      
8 H 0.256      
9 H 0.256      
10 H 0.256      
11 H 0.256      


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 -4.672 4.672
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.564 0.000 0.000
y 0.000 -32.979 0.000
z 0.000 0.000 -39.528
Traceless
 xyz
x -7.310 0.000 0.000
y 0.000 8.567 0.000
z 0.000 0.000 -1.257
Polar
3z2-r2-2.513
x2-y2-10.585
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.777 0.000 0.000
y 0.000 7.301 0.000
z 0.000 0.000 7.022


<r2> (average value of r2) Å2
<r2> 143.635
(<r2>)1/2 11.985