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

using model chemistry: AM1

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
Energy calculated at AM1
 hartrees
Energy at 0K 
Energy at 298.15K-0.112284
HF Energy-0.112284
Nuclear repulsion energy141.608900
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 AM1
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 3173 3026 40.82      
2 A1 3046 2904 71.32      
3 A1 1408 1343 91.99      
4 A1 1371 1307 49.37      
5 A1 1015 968 259.08      
6 A1 887 846 65.38      
7 A1 764 728 3.69      
8 A1 448 427 108.09      
9 A1 301 287 1.67      
10 A2 3060 2918 0.00      
11 A2 1364 1301 0.00      
12 A2 913 870 0.00      
13 A2 316 301 0.00      
14 A2 46i 44i 0.00      
15 B1 3063 2920 119.56      
16 B1 1369 1305 116.28      
17 B1 1136 1083 315.15      
18 B1 942 899 4.46      
19 B1 393 375 21.05      
20 B1 76 72 0.28      
21 B2 3170 3022 64.03      
22 B2 3044 2903 74.47      
23 B2 1399 1334 118.32      
24 B2 1359 1296 59.70      
25 B2 925 882 225.32      
26 B2 783 746 117.21      
27 B2 460 438 168.08      

Unscaled Zero Point Vibrational Energy (zpe) 18068.8 cm-1
Scaled (by 0.9535) Zero Point Vibrational Energy (zpe) 17228.6 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 AM1
ABC
0.15883 0.15846 0.14751

See section I.F.4 to change rotational constant units
Geometric Data calculated at AM1

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.194
O2 -1.198 0.000 0.918
O3 1.198 0.000 0.918
C4 0.000 1.288 -0.900
C5 0.000 -1.288 -0.900
H6 0.000 2.273 -0.366
H7 0.000 -2.273 -0.366
H8 0.897 1.300 -1.566
H9 -0.897 1.300 -1.566
H10 -0.897 -1.300 -1.566
H11 0.897 -1.300 -1.566

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.39981.39981.68931.68932.34052.34052.36472.36472.36472.3647
O21.39982.39512.52952.52952.87212.87213.50002.82032.82033.5000
O31.39982.39512.52952.52952.87212.87212.82033.50003.50002.8203
C41.68932.52952.52952.57531.12023.60001.11731.11732.81872.8187
C51.68932.52952.52952.57533.60001.12022.81872.81871.11731.1173
H62.34052.87212.87211.12023.60004.54521.78601.78603.87423.8742
H72.34052.87212.87213.60001.12024.54523.87423.87421.78601.7860
H82.36473.50002.82031.11732.81871.78603.87421.79353.15892.6004
H92.36472.82033.50001.11732.81871.78603.87421.79352.60043.1589
H102.36472.82033.50002.81871.11733.87421.78603.15892.60041.7935
H112.36473.50002.82032.81871.11733.87421.78602.60043.15891.7935

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 111.214 S1 C4 H8 113.242
S1 C4 H9 113.242 S1 C5 H7 111.214
S1 C5 H10 113.242 S1 C5 H11 113.242
O2 S1 O3 117.632 O2 S1 C4 109.582
O2 S1 C5 109.582 O3 S1 C4 109.582
O3 S1 C5 109.582 C4 S1 C5 99.325
H6 C4 H8 105.916 H6 C4 H9 105.916
H7 C5 H10 105.916 H7 C5 H11 105.916
H8 C4 H9 106.758 H10 C5 H11 106.758
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability