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

using model chemistry: B1B95/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 B1B95/TZVP
 hartrees
Energy at 0K-628.441474
Energy at 298.15K 
HF Energy-628.441474
Nuclear repulsion energy272.298561
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 B1B95/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 3202 3064 0.21      
2 A1 3093 2960 1.37      
3 A1 1457 1394 4.61      
4 A1 1353 1294 18.41      
5 A1 1140 1091 178.67      
6 A1 1008 965 0.30      
7 A1 675 646 10.66      
8 A1 465 445 28.61      
9 A1 257 246 2.55      
10 A2 3206 3068 0.00      
11 A2 1447 1385 0.00      
12 A2 933 893 0.00      
13 A2 287 275 0.00      
14 A2 174 167 0.00      
15 B1 3210 3071 1.08      
16 B1 1464 1401 8.39      
17 B1 1324 1267 261.47      
18 B1 988 946 0.52      
19 B1 348 333 0.93      
20 B1 210 201 0.53      
21 B2 3201 3063 0.76      
22 B2 3091 2957 0.30      
23 B2 1446 1384 6.45      
24 B2 1333 1276 15.70      
25 B2 944 904 66.30      
26 B2 740 708 45.49      
27 B2 442 423 40.26      

Unscaled Zero Point Vibrational Energy (zpe) 18718.2 cm-1
Scaled (by 0.9569) Zero Point Vibrational Energy (zpe) 17911.5 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 B1B95/TZVP
ABC
0.15016 0.13898 0.13669

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.188
O2 -1.273 0.000 0.915
O3 1.273 0.000 0.915
C4 0.000 1.412 -0.917
C5 0.000 -1.412 -0.917
H6 0.000 2.285 -0.271
H7 0.000 -2.285 -0.271
H8 0.900 1.393 -1.524
H9 -0.900 1.393 -1.524
H10 -0.900 -1.393 -1.524
H11 0.900 -1.393 -1.524

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.46621.46621.79271.79272.33082.33082.38352.38352.38352.3835
O21.46622.54622.64012.64012.87212.87213.55132.83372.83373.5513
O31.46622.54622.64012.64012.87212.87212.83373.55133.55132.8337
C41.79272.64012.64012.82351.08653.75301.08561.08563.00743.0074
C51.79272.64012.64012.82353.75301.08653.00743.00741.08561.0856
H62.33082.87212.87211.08653.75304.57041.78231.78233.98873.9887
H72.33082.87212.87213.75301.08654.57043.98873.98871.78231.7823
H82.38353.55132.83371.08563.00741.78233.98871.79933.31652.7859
H92.38352.83373.55131.08563.00741.78233.98871.79932.78593.3165
H102.38352.83373.55133.00741.08563.98871.78233.31652.78591.7993
H112.38353.55132.83373.00741.08563.98871.78232.78593.31651.7993

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 105.457 S1 C4 H8 109.337
S1 C4 H9 109.337 S1 C5 H7 105.457
S1 C5 H10 109.337 S1 C5 H11 109.337
O2 S1 O3 120.531 O2 S1 C4 107.799
O2 S1 C5 107.799 O3 S1 C4 107.799
O3 S1 C5 107.799 C4 S1 C5 103.906
H6 C4 H8 110.281 H6 C4 H9 110.281
H7 C5 H10 110.281 H7 C5 H11 110.281
H8 C4 H9 111.937 H10 C5 H11 111.937
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.624      
2 O -0.393      
3 O -0.393      
4 C -0.398      
5 C -0.398      
6 H 0.175      
7 H 0.175      
8 H 0.152      
9 H 0.152      
10 H 0.152      
11 H 0.152      


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 -4.838 4.838
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.784 0.000 0.000
y 0.000 -31.565 0.000
z 0.000 0.000 -38.608
Traceless
 xyz
x -8.697 0.000 0.000
y 0.000 9.631 0.000
z 0.000 0.000 -0.934
Polar
3z2-r2-1.868
x2-y2-12.219
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.135 0.000 0.000
y 0.000 7.538 0.000
z 0.000 0.000 7.007


<r2> (average value of r2) Å2
<r2> 128.511
(<r2>)1/2 11.336