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

using model chemistry: CISD/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CISD/6-311G*
 hartrees
Energy at 0K-627.166954
Energy at 298.15K 
HF Energy-626.462481
Nuclear repulsion energy275.854099
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 CISD/6-311G*
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 3278 3033 0.90      
2 A1 3177 2939 1.90      
3 A1 1541 1426 5.41      
4 A1 1468 1359 25.62      
5 A1 1215 1125 217.84      
6 A1 1085 1004 0.06      
7 A1 744 688 9.07      
8 A1 516 477 39.70      
9 A1 289 267 2.52      
10 A2 3284 3039 0.00      
11 A2 1528 1414 0.00      
12 A2 1009 934 0.00      
13 A2 316 292 0.00      
14 A2 199 184 0.00      
15 B1 3289 3043 3.13      
16 B1 1546 1430 14.91      
17 B1 1413 1307 288.82      
18 B1 1074 994 1.25      
19 B1 383 354 1.33      
20 B1 232 215 0.71      
21 B2 3277 3032 0.26      
22 B2 3173 2936 0.01      
23 B2 1532 1417 6.55      
24 B2 1450 1342 25.44      
25 B2 1025 949 77.76      
26 B2 813 752 41.71      
27 B2 487 451 55.73      

Unscaled Zero Point Vibrational Energy (zpe) 19670.3 cm-1
Scaled (by 0.9253) Zero Point Vibrational Energy (zpe) 18201.0 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 CISD/6-311G*
ABC
0.15474 0.14260 0.13967

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.188
O2 -1.250 0.000 0.902
O3 1.250 0.000 0.902
C4 0.000 1.397 -0.904
C5 0.000 -1.397 -0.904
H6 0.000 2.275 -0.269
H7 0.000 -2.275 -0.269
H8 0.896 1.385 -1.513
H9 -0.896 1.385 -1.513
H10 -0.896 -1.385 -1.513
H11 0.896 -1.385 -1.513

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.43961.43961.77311.77312.32082.32082.36962.36962.36962.3696
O21.43962.50022.60322.60322.84792.84793.51532.80652.80653.5153
O31.43962.50022.60322.60322.84792.84792.80653.51533.51532.8065
C41.77312.60322.60322.79341.08453.72671.08341.08342.98502.9850
C51.77312.60322.60322.79343.72671.08452.98502.98501.08341.0834
H62.32082.84792.84791.08453.72674.55071.77341.77343.96843.9684
H72.32082.84792.84793.72671.08454.55073.96843.96841.77341.7734
H82.36963.51532.80651.08342.98501.77343.96841.79213.29882.7695
H92.36962.80653.51531.08342.98501.77343.96841.79212.76953.2988
H102.36962.80653.51532.98501.08343.96841.77343.29882.76951.7921
H112.36963.51532.80652.98501.08343.96841.77342.76953.29881.7921

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 106.090 S1 C4 H8 109.729
S1 C4 H9 109.729 S1 C5 H7 106.090
S1 C5 H10 109.729 S1 C5 H11 109.729
O2 S1 O3 120.534 O2 S1 C4 107.791
O2 S1 C5 107.791 O3 S1 C4 107.791
O3 S1 C5 107.791 C4 S1 C5 103.940
H6 C4 H8 109.775 H6 C4 H9 109.775
H7 C5 H10 109.775 H7 C5 H11 109.775
H8 C4 H9 111.594 H10 C5 H11 111.594
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability