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

using model chemistry: TPSSh/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-628.430320
Energy at 298.15K 
HF Energy-628.430320
Nuclear repulsion energy270.391207
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/6-31+G**
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 3188 3069 1.20      
2 A1 3078 2963 3.28      
3 A1 1479 1424 3.23      
4 A1 1364 1313 8.98      
5 A1 1118 1076 170.69      
6 A1 1010 972 1.10      
7 A1 652 628 9.07      
8 A1 455 438 23.62      
9 A1 253 244 2.21      
10 A2 3189 3069 0.00      
11 A2 1470 1415 0.00      
12 A2 939 904 0.00      
13 A2 274 263 0.00      
14 A2 183 176 0.00      
15 B1 3192 3072 3.37      
16 B1 1485 1429 10.87      
17 B1 1294 1246 256.66      
18 B1 994 957 0.12      
19 B1 336 324 1.01      
20 B1 211 203 0.40      
21 B2 3187 3067 0.37      
22 B2 3076 2960 0.28      
23 B2 1470 1414 7.22      
24 B2 1344 1294 7.27      
25 B2 946 911 52.01      
26 B2 726 699 49.10      
27 B2 427 411 33.13      

Unscaled Zero Point Vibrational Energy (zpe) 18669.5 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 17969.4 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/6-31+G**
ABC
0.14793 0.13696 0.13476

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.192
O2 -1.283 0.000 0.920
O3 1.283 0.000 0.920
C4 0.000 1.422 -0.925
C5 0.000 -1.422 -0.925
H6 0.000 2.302 -0.280
H7 0.000 -2.302 -0.280
H8 0.904 1.400 -1.535
H9 -0.904 1.400 -1.535
H10 -0.904 -1.400 -1.535
H11 0.904 -1.400 -1.535

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.47561.47561.80791.80792.35042.35042.40022.40022.40022.4002
O21.47562.56662.65942.65942.89642.89643.57402.85212.85213.5740
O31.47562.56662.65942.65942.89642.89642.85213.57403.57402.8521
C41.80792.65942.65942.84361.09133.77961.09081.09083.02553.0255
C51.80792.65942.65942.84363.77961.09133.02553.02551.09081.0908
H62.35042.89642.89641.09133.77964.60491.79041.79044.01284.0128
H72.35042.89642.89643.77961.09134.60494.01284.01281.79041.7904
H82.40023.57402.85211.09083.02551.79044.01281.80733.33322.8007
H92.40022.85213.57401.09083.02551.79044.01281.80732.80073.3332
H102.40022.85213.57403.02551.09084.01281.79043.33322.80071.8073
H112.40023.57402.85213.02551.09084.01281.79042.80073.33321.8073

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 105.656 S1 C4 H8 109.284
S1 C4 H9 109.284 S1 C5 H7 105.656
S1 C5 H10 109.284 S1 C5 H11 109.284
O2 S1 O3 120.846 O2 S1 C4 107.750
O2 S1 C5 107.750 O3 S1 C4 107.750
O3 S1 C5 107.750 C4 S1 C5 103.710
H6 C4 H8 110.270 H6 C4 H9 110.270
H7 C5 H10 110.270 H7 C5 H11 110.270
H8 C4 H9 111.878 H10 C5 H11 111.878
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.798      
2 O -0.510      
3 O -0.510      
4 C -0.514      
5 C -0.514      
6 H 0.224      
7 H 0.224      
8 H 0.201      
9 H 0.201      
10 H 0.201      
11 H 0.201      


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 -4.820 4.820
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 7.575 0.000 0.000
y 0.000 7.975 0.000
z 0.000 0.000 7.521


<r2> (average value of r2) Å2
<r2> 130.176
(<r2>)1/2 11.409