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

using model chemistry: B2PLYP/TZVP

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/TZVP
 hartrees
Energy at 0K-628.142645
Energy at 298.15K 
HF Energy-627.854083
Nuclear repulsion energy270.320688
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/TZVP
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 3196 3051 0.56      
2 A1 3089 2948 2.25      
3 A1 1475 1408 4.36      
4 A1 1373 1310 10.32      
5 A1 1112 1062 165.39      
6 A1 1014 968 3.08      
7 A1 659 629 11.05      
8 A1 456 435 27.41      
9 A1 261 249 2.40      
10 A2 3198 3052 0.00      
11 A2 1464 1398 0.00      
12 A2 950 907 0.00      
13 A2 290 276 0.00      
14 A2 174 166 0.00      
15 B1 3202 3056 2.01      
16 B1 1480 1413 9.76      
17 B1 1285 1227 239.23      
18 B1 1000 954 0.00      
19 B1 350 334 1.24      
20 B1 212 202 0.46      
21 B2 3195 3049 0.37      
22 B2 3086 2946 0.00      
23 B2 1464 1398 6.53      
24 B2 1353 1292 9.71      
25 B2 956 913 51.71      
26 B2 732 698 51.71      
27 B2 438 418 39.07      

Unscaled Zero Point Vibrational Energy (zpe) 18732.0 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 17877.9 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/TZVP
ABC
0.14771 0.13695 0.13470

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.190
O2 -1.284 0.000 0.922
O3 1.284 0.000 0.922
C4 0.000 1.422 -0.926
C5 0.000 -1.422 -0.926
H6 0.000 2.298 -0.281
H7 0.000 -2.298 -0.281
H8 0.901 1.399 -1.533
H9 -0.901 1.399 -1.533
H10 -0.901 -1.399 -1.533
H11 0.901 -1.399 -1.533

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.47821.47821.80761.80762.34552.34552.39562.39562.39562.3956
O21.47822.56872.66192.66192.89422.89423.57202.85182.85183.5720
O31.47822.56872.66192.66192.89422.89422.85183.57203.57202.8518
C41.80762.66192.66192.84391.08733.77491.08671.08673.02273.0227
C51.80762.66192.66192.84393.77491.08733.02273.02271.08671.0867
H62.34552.89422.89421.08733.77494.59521.78511.78514.00534.0053
H72.34552.89422.89423.77491.08734.59524.00534.00531.78511.7851
H82.39563.57202.85181.08673.02271.78514.00531.80123.32742.7976
H92.39562.85183.57201.08673.02271.78514.00531.80122.79763.3274
H102.39562.85183.57203.02271.08674.00531.78513.32742.79761.8012
H112.39563.57202.85183.02271.08674.00531.78512.79763.32741.8012

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 105.521 S1 C4 H8 109.178
S1 C4 H9 109.178 S1 C5 H7 105.521
S1 C5 H10 109.178 S1 C5 H11 109.178
O2 S1 O3 120.658 O2 S1 C4 107.796
O2 S1 C5 107.796 O3 S1 C4 107.796
O3 S1 C5 107.796 C4 S1 C5 103.746
H6 C4 H8 110.399 H6 C4 H9 110.399
H7 C5 H10 110.399 H7 C5 H11 110.399
H8 C4 H9 111.950 H10 C5 H11 111.950
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.671      
2 O -0.404      
3 O -0.404      
4 C -0.372      
5 C -0.372      
6 H 0.163      
7 H 0.163      
8 H 0.139      
9 H 0.139      
10 H 0.139      
11 H 0.139      


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 -4.834 4.834
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.447 0.000 0.000
y 0.000 -32.258 0.000
z 0.000 0.000 -39.260
Traceless
 xyz
x -8.688 0.000 0.000
y 0.000 9.595 0.000
z 0.000 0.000 -0.908
Polar
3z2-r2-1.815
x2-y2-12.189
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.296 0.000 0.000
y 0.000 7.651 0.000
z 0.000 0.000 7.136


<r2> (average value of r2) Å2
<r2> 130.455
(<r2>)1/2 11.422