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

using model chemistry: B2PLYP=FULLultrafine/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=FULLultrafine/6-31+G**
 hartrees
Energy at 0K-628.052663
Energy at 298.15K 
HF Energy-627.770511
Nuclear repulsion energy271.249880
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=FULLultrafine/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 3218 3218 0.33      
2 A1 3106 3106 2.41      
3 A1 1487 1487 4.18      
4 A1 1386 1386 9.87      
5 A1 1129 1129 170.13      
6 A1 1025 1025 2.97      
7 A1 676 676 8.34      
8 A1 466 466 26.43      
9 A1 266 266 2.36      
10 A2 3218 3218 0.00      
11 A2 1476 1476 0.00      
12 A2 961 961 0.00      
13 A2 290 290 0.00      
14 A2 190 190 0.00      
15 B1 3222 3222 1.37      
16 B1 1491 1491 12.64      
17 B1 1298 1298 260.24      
18 B1 1014 1014 0.05      
19 B1 353 353 1.31      
20 B1 219 219 0.41      
21 B2 3217 3217 0.81      
22 B2 3103 3103 0.03      
23 B2 1477 1477 7.40      
24 B2 1368 1368 10.83      
25 B2 968 968 51.97      
26 B2 753 753 47.61      
27 B2 442 442 37.85      

Unscaled Zero Point Vibrational Energy (zpe) 18909.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18909.0 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 B2PLYP=FULLultrafine/6-31+G**
ABC
0.14882 0.13788 0.13596

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.189
O2 -1.281 0.000 0.918
O3 1.281 0.000 0.918
C4 0.000 1.415 -0.919
C5 0.000 -1.415 -0.919
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
S11.47381.47381.79731.79732.34182.34182.38962.38962.38962.3896
O21.47382.56222.64912.64912.88732.88733.56312.84222.84223.5631
O31.47382.56222.64912.64912.88732.88732.84223.56313.56312.8422
C41.79732.64912.64912.82951.08903.76451.08841.08843.01253.0125
C51.79732.64912.64912.82953.76451.08903.01253.01251.08841.0884
H62.34182.88732.88731.08903.76454.58951.78581.78583.99853.9985
H72.34182.88732.88733.76451.08904.58953.99853.99851.78581.7858
H82.38963.56312.84221.08843.01251.78583.99851.80213.32032.7887
H92.38962.84223.56311.08843.01251.78583.99851.80212.78873.3203
H102.38962.84223.56313.01251.08843.99851.78583.32032.78871.8021
H112.38963.56312.84223.01251.08843.99851.78582.78873.32031.8021

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 105.829 S1 C4 H8 109.331
S1 C4 H9 109.331 S1 C5 H7 105.829
S1 C5 H10 109.331 S1 C5 H11 109.331
O2 S1 O3 120.743 O2 S1 C4 107.754
O2 S1 C5 107.754 O3 S1 C4 107.754
O3 S1 C5 107.754 C4 S1 C5 103.836
H6 C4 H8 110.205 H6 C4 H9 110.205
H7 C5 H10 110.205 H7 C5 H11 110.205
H8 C4 H9 111.758 H10 C5 H11 111.758
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability