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

using model chemistry: TPSSh/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at TPSSh/cc-pVDZ
 hartrees
Energy at 0K-628.426785
Energy at 298.15K 
HF Energy-628.426785
Nuclear repulsion energy268.766642
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 TPSSh/cc-pVDZ
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 3179 3091 1.06      
2 A1 3060 2976 3.44      
3 A1 1446 1407 2.65      
4 A1 1318 1282 8.89      
5 A1 1096 1066 152.82      
6 A1 985 957 0.29      
7 A1 638 620 11.93      
8 A1 443 431 22.57      
9 A1 250 243 1.97      
10 A2 3180 3092 0.00      
11 A2 1437 1397 0.00      
12 A2 902 877 0.00      
13 A2 264 257 0.00      
14 A2 171 166 0.00      
15 B1 3183 3095 3.83      
16 B1 1453 1412 8.48      
17 B1 1283 1247 194.79      
18 B1 961 935 0.16      
19 B1 324 315 0.78      
20 B1 199 193 0.56      
21 B2 3178 3090 0.45      
22 B2 3058 2973 0.55      
23 B2 1437 1397 6.82      
24 B2 1300 1264 4.18      
25 B2 919 893 57.72      
26 B2 700 681 54.27      
27 B2 415 404 33.11      

Unscaled Zero Point Vibrational Energy (zpe) 18387.2 cm-1
Scaled (by 0.9724) Zero Point Vibrational Energy (zpe) 17879.7 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 TPSSh/cc-pVDZ
ABC
0.14576 0.13532 0.13397

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.193
O2 -1.297 0.000 0.923
O3 1.297 0.000 0.923
C4 0.000 1.425 -0.930
C5 0.000 -1.425 -0.930
H6 0.000 2.303 -0.270
H7 0.000 -2.303 -0.270
H8 0.911 1.404 -1.542
H9 -0.911 1.404 -1.542
H10 -0.911 -1.404 -1.542
H11 0.911 -1.404 -1.542

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.48871.48871.81421.81422.34972.34972.41062.41062.41062.4106
O21.48872.59492.67332.67332.90062.90063.59502.86272.86273.5950
O31.48872.59492.67332.67332.90062.90062.86273.59503.59502.8627
C41.81422.67332.67332.85001.09843.78631.09791.09793.03443.0344
C51.81422.67332.67332.85003.78631.09843.03443.03441.09791.0979
H62.34972.90062.90061.09843.78634.60691.80431.80434.02384.0238
H72.34972.90062.90063.78631.09844.60694.02384.02381.80431.8043
H82.41063.59502.86271.09793.03441.80434.02381.82253.34742.8078
H92.41062.86273.59501.09793.03441.80434.02381.82252.80783.3474
H102.41062.86273.59503.03441.09794.02381.80433.34742.80781.8225
H112.41063.59502.86273.03441.09794.02381.80432.80783.34741.8225

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 104.875 S1 C4 H8 109.263
S1 C4 H9 109.263 S1 C5 H7 104.875
S1 C5 H10 109.263 S1 C5 H11 109.263
O2 S1 O3 121.278 O2 S1 C4 107.666
O2 S1 C5 107.666 O3 S1 C4 107.666
O3 S1 C5 107.666 C4 S1 C5 103.526
H6 C4 H8 110.483 H6 C4 H9 110.483
H7 C5 H10 110.483 H7 C5 H11 110.483
H8 C4 H9 112.202 H10 C5 H11 112.202
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.734      
2 O -0.463      
3 O -0.463      
4 C -0.155      
5 C -0.155      
6 H 0.097      
7 H 0.097      
8 H 0.077      
9 H 0.077      
10 H 0.077      
11 H 0.077      


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 -4.394 4.394
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.644 0.000 0.000
y 0.000 7.361 0.000
z 0.000 0.000 6.643


<r2> (average value of r2) Å2
<r2> 130.737
(<r2>)1/2 11.434