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

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/6-31+G**
 hartrees
Energy at 0K-628.052657
Energy at 298.15K 
HF Energy-627.770486
Nuclear repulsion energy271.229427
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/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 3217 3059 0.33      
2 A1 3105 2953 2.40      
3 A1 1487 1414 4.13      
4 A1 1386 1318 9.92      
5 A1 1128 1073 170.03      
6 A1 1025 975 3.14      
7 A1 676 643 8.35      
8 A1 466 444 26.37      
9 A1 267 254 2.36      
10 A2 3217 3060 0.00      
11 A2 1476 1404 0.00      
12 A2 960 913 0.00      
13 A2 289 274 0.00      
14 A2 194 184 0.00      
15 B1 3221 3063 1.38      
16 B1 1492 1419 12.65      
17 B1 1298 1234 260.07      
18 B1 1014 964 0.05      
19 B1 353 336 1.31      
20 B1 223 213 0.41      
21 B2 3216 3058 0.78      
22 B2 3102 2950 0.03      
23 B2 1478 1405 7.50      
24 B2 1367 1300 10.71      
25 B2 968 920 51.85      
26 B2 753 716 47.84      
27 B2 442 420 37.77      

Unscaled Zero Point Vibrational Energy (zpe) 18909.3 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 17982.7 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 B2PLYP=FULL/6-31+G**
ABC
0.14875 0.13789 0.13597

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.190
O2 -1.281 0.000 0.918
O3 1.281 0.000 0.918
C4 0.000 1.414 -0.920
C5 0.000 -1.414 -0.920
H6 0.000 2.295 -0.278
H7 0.000 -2.295 -0.278
H8 0.901 1.394 -1.530
H9 -0.901 1.394 -1.530
H10 -0.901 -1.394 -1.530
H11 0.901 -1.394 -1.530

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.47391.47391.79751.79752.34172.34172.39012.39012.39012.3901
O21.47392.56292.64932.64932.88752.88753.56352.84252.84253.5635
O31.47392.56292.64932.64932.88752.88752.84253.56353.56352.8425
C41.79752.64932.64932.82871.08913.76391.08851.08853.01183.0118
C51.79752.64932.64932.82873.76391.08913.01183.01181.08851.0885
H62.34172.88752.88751.08913.76394.58901.78601.78603.99793.9979
H72.34172.88752.88753.76391.08914.58903.99793.99791.78601.7860
H82.39013.56352.84251.08853.01181.78603.99791.80223.31962.7878
H92.39012.84253.56351.08853.01181.78603.99791.80222.78783.3196
H102.39012.84253.56353.01181.08853.99791.78603.31962.78781.8022
H112.39013.56352.84253.01181.08853.99791.78602.78783.31961.8022

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 105.809 S1 C4 H8 109.347
S1 C4 H9 109.347 S1 C5 H7 105.809
S1 C5 H10 109.347 S1 C5 H11 109.347
O2 S1 O3 120.786 O2 S1 C4 107.753
O2 S1 C5 107.753 O3 S1 C4 107.753
O3 S1 C5 107.753 C4 S1 C5 103.781
H6 C4 H8 110.206 H6 C4 H9 110.206
H7 C5 H10 110.206 H7 C5 H11 110.206
H8 C4 H9 111.747 H10 C5 H11 111.747
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability