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

using model chemistry: B2PLYP=FULL/aug-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 B2PLYP=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-628.091890
Energy at 298.15K 
HF Energy-627.795204
Nuclear repulsion energy268.799007
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=FULL/aug-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 3198 3076 0.52      
2 A1 3079 2961 2.78      
3 A1 1440 1385 3.26      
4 A1 1322 1271 10.86      
5 A1 1082 1040 138.15      
6 A1 989 951 3.81      
7 A1 654 629 7.17      
8 A1 442 425 22.95      
9 A1 258 249 2.61      
10 A2 3197 3075 0.00      
11 A2 1429 1375 0.00      
12 A2 918 883 0.00      
13 A2 278 267 0.00      
14 A2 161 154 0.00      
15 B1 3201 3079 1.43      
16 B1 1447 1391 9.35      
17 B1 1239 1192 229.29      
18 B1 968 931 0.01      
19 B1 334 321 0.37      
20 B1 194 187 0.32      
21 B2 3197 3075 0.73      
22 B2 3076 2959 0.00      
23 B2 1430 1375 6.19      
24 B2 1304 1254 7.64      
25 B2 931 896 45.77      
26 B2 721 694 35.33      
27 B2 426 410 35.58      

Unscaled Zero Point Vibrational Energy (zpe) 18456.2 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 17751.1 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=FULL/aug-cc-pVDZ
ABC
0.14580 0.13547 0.13421

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.186
O2 -1.298 0.000 0.927
O3 1.298 0.000 0.927
C4 0.000 1.424 -0.927
C5 0.000 -1.424 -0.927
H6 0.000 2.301 -0.271
H7 0.000 -2.301 -0.271
H8 0.910 1.395 -1.536
H9 -0.910 1.395 -1.536
H10 -0.910 -1.395 -1.536
H11 0.910 -1.395 -1.536

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.49441.49441.80761.80762.34612.34612.39552.39552.39552.3955
O21.49442.59582.67392.67392.90082.90083.58942.85692.85693.5894
O31.49442.59582.67392.67392.90082.90082.85693.58943.58942.8569
C41.80762.67392.67392.84871.09523.78281.09491.09493.02473.0247
C51.80762.67392.67392.84873.78281.09523.02473.02471.09491.0949
H62.34612.90082.90081.09523.78284.60241.80221.80224.01144.0114
H72.34612.90082.90083.78281.09524.60244.01144.01141.80221.8022
H82.39553.58942.85691.09493.02471.80224.01141.81923.33132.7907
H92.39552.85693.58941.09493.02471.80224.01141.81922.79073.3313
H102.39552.85693.58943.02471.09494.01141.80223.33132.79071.8192
H112.39553.58942.85693.02471.09494.01141.80222.79073.33131.8192

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 105.190 S1 C4 H8 108.752
S1 C4 H9 108.752 S1 C5 H7 105.190
S1 C5 H10 108.752 S1 C5 H11 108.752
O2 S1 O3 120.568 O2 S1 C4 107.771
O2 S1 C5 107.771 O3 S1 C4 107.771
O3 S1 C5 107.771 C4 S1 C5 103.992
H6 C4 H8 110.750 H6 C4 H9 110.750
H7 C5 H10 110.750 H7 C5 H11 110.750
H8 C4 H9 112.356 H10 C5 H11 112.356
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability