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

using model chemistry: CCSD/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 CCSD/cc-pVDZ
 hartrees
Energy at 0K-627.246068
Energy at 298.15K 
HF Energy-626.399968
Nuclear repulsion energy270.726662
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 CCSD/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 3206 3037 0.71      
2 A1 3090 2927 2.59      
3 A1 1459 1382 2.88      
4 A1 1354 1283 13.34      
5 A1 1133 1073 162.46      
6 A1 1007 954 0.06      
7 A1 691 655 10.88      
8 A1 472 447 30.82      
9 A1 266 252 1.82      
10 A2 3209 3040 0.00      
11 A2 1449 1372 0.00      
12 A2 926 877 0.00      
13 A2 282 267 0.00      
14 A2 177 167 0.00      
15 B1 3212 3043 2.87      
16 B1 1464 1387 7.99      
17 B1 1325 1255 207.64      
18 B1 989 937 0.24      
19 B1 347 328 1.70      
20 B1 210 199 0.54      
21 B2 3205 3036 0.29      
22 B2 3087 2925 0.27      
23 B2 1450 1374 6.36      
24 B2 1336 1266 9.24      
25 B2 946 896 65.77      
26 B2 753 713 45.71      
27 B2 441 418 45.00      

Unscaled Zero Point Vibrational Energy (zpe) 18742.2 cm-1
Scaled (by 0.9473) Zero Point Vibrational Energy (zpe) 17754.5 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 CCSD/cc-pVDZ
ABC
0.14772 0.13775 0.13624

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.193
O2 -1.287 0.000 0.917
O3 1.287 0.000 0.917
C4 0.000 1.408 -0.922
C5 0.000 -1.408 -0.922
H6 0.000 2.298 -0.273
H7 0.000 -2.298 -0.273
H8 0.912 1.387 -1.538
H9 -0.912 1.387 -1.538
H10 -0.912 -1.387 -1.538
H11 0.912 -1.387 -1.538

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.47681.47681.79681.79682.34462.34462.39902.39902.39902.3990
O21.47682.57492.65032.65032.89012.89013.57652.84472.84473.5765
O31.47682.57492.65032.65032.89012.89012.84473.57653.57652.8447
C41.79682.65032.65032.81651.10173.76271.10091.10093.00433.0043
C51.79682.65032.65032.81653.76271.10173.00433.00431.10091.1009
H62.34462.89012.89011.10173.76274.59571.80661.80664.00174.0017
H72.34462.89012.89013.76271.10174.59574.00174.00171.80661.8066
H82.39903.57652.84471.10093.00431.80664.00171.82483.32062.7743
H92.39902.84473.57651.10093.00431.80664.00171.82482.77433.3206
H102.39902.84473.57653.00431.10094.00171.80663.32062.77431.8248
H112.39903.57652.84473.00431.10094.00171.80662.77433.32061.8248

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 105.457 S1 C4 H8 109.411
S1 C4 H9 109.411 S1 C5 H7 105.457
S1 C5 H10 109.411 S1 C5 H11 109.411
O2 S1 O3 121.333 O2 S1 C4 107.713
O2 S1 C5 107.713 O3 S1 C4 107.713
O3 S1 C5 107.713 C4 S1 C5 103.215
H6 C4 H8 110.207 H6 C4 H9 110.207
H7 C5 H10 110.207 H7 C5 H11 110.207
H8 C4 H9 111.938 H10 C5 H11 111.938
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability