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

using model chemistry: QCISD/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 QCISD/cc-pVDZ
 hartrees
Energy at 0K-627.249486
Energy at 298.15K 
HF Energy-626.399534
Nuclear repulsion energy270.366631
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 QCISD/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 3203 3073 0.90      
2 A1 3086 2961 2.91      
3 A1 1459 1399 2.78      
4 A1 1352 1297 11.81      
5 A1 1123 1077 154.36      
6 A1 1003 962 0.32      
7 A1 685 657 10.88      
8 A1 467 448 30.03      
9 A1 265 254 1.79      
10 A2 3205 3075 0.00      
11 A2 1448 1389 0.00      
12 A2 924 886 0.00      
13 A2 280 269 0.00      
14 A2 175 168 0.00      
15 B1 3209 3079 3.25      
16 B1 1463 1404 8.30      
17 B1 1314 1260 195.03      
18 B1 986 946 0.19      
19 B1 344 330 1.70      
20 B1 208 200 0.52      
21 B2 3202 3072 0.22      
22 B2 3084 2959 0.42      
23 B2 1449 1391 6.51      
24 B2 1333 1279 8.55      
25 B2 943 905 63.03      
26 B2 749 718 46.77      
27 B2 437 419 43.71      

Unscaled Zero Point Vibrational Energy (zpe) 18697.7 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 17938.6 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 QCISD/cc-pVDZ
ABC
0.14724 0.13740 0.13596

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.194
O2 -1.290 0.000 0.918
O3 1.290 0.000 0.918
C4 0.000 1.409 -0.924
C5 0.000 -1.409 -0.924
H6 0.000 2.300 -0.274
H7 0.000 -2.300 -0.274
H8 0.912 1.388 -1.540
H9 -0.912 1.388 -1.540
H10 -0.912 -1.388 -1.540
H11 0.912 -1.388 -1.540

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.47951.47951.79871.79872.34672.34672.40092.40092.40092.4009
O21.47952.58012.65402.65402.89382.89383.58052.84802.84803.5805
O31.47952.58012.65402.65402.89382.89382.84803.58053.58052.8480
C41.79872.65402.65402.81881.10193.76531.10121.10123.00623.0062
C51.79872.65402.65402.81883.76531.10193.00623.00621.10121.1012
H62.34672.89382.89381.10193.76534.59901.80701.80704.00394.0039
H72.34672.89382.89383.76531.10194.59904.00394.00391.80701.8070
H82.40093.58052.84801.10123.00621.80704.00391.82493.32202.7758
H92.40092.84803.58051.10123.00621.80704.00391.82492.77583.3220
H102.40092.84803.58053.00621.10124.00391.80703.32202.77581.8249
H112.40093.58052.84803.00621.10124.00391.80702.77583.32201.8249

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 105.472 S1 C4 H8 109.411
S1 C4 H9 109.411 S1 C5 H7 105.472
S1 C5 H10 109.411 S1 C5 H11 109.411
O2 S1 O3 121.365 O2 S1 C4 107.712
O2 S1 C5 107.712 O3 S1 C4 107.712
O3 S1 C5 107.712 C4 S1 C5 103.174
H6 C4 H8 110.213 H6 C4 H9 110.213
H7 C5 H10 110.213 H7 C5 H11 110.213
H8 C4 H9 111.913 H10 C5 H11 111.913
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability