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

using model chemistry: CCSD(T)=FULL/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(T)=FULL/cc-pVDZ
 hartrees
Energy at 0K-627.290130
Energy at 298.15K 
HF Energy-626.399001
Nuclear repulsion energy270.018836
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(T)=FULL/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 3194 3076        
2 A1 3075 2962        
3 A1 1452 1398        
4 A1 1337 1288        
5 A1 1116 1075        
6 A1 993 956        
7 A1 674 649        
8 A1 462 445        
9 A1 262 253        
10 A2 3197 3079        
11 A2 1441 1388        
12 A2 912 878        
13 A2 278 267        
14 A2 175 169        
15 B1 3200 3082        
16 B1 1456 1403        
17 B1 1309 1261        
18 B1 974 938        
19 B1 341 328        
20 B1 210 203        
21 B2 3193 3075        
22 B2 3073 2960        
23 B2 1442 1389        
24 B2 1318 1270        
25 B2 932 898        
26 B2 737 710        
27 B2 431 415        

Unscaled Zero Point Vibrational Energy (zpe) 18591.0 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 17906.9 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(T)=FULL/cc-pVDZ
ABC
0.14665 0.13707 0.13578

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.196
O2 -1.294 0.000 0.918
O3 1.294 0.000 0.918
C4 0.000 1.410 -0.926
C5 0.000 -1.410 -0.926
H6 0.000 2.300 -0.276
H7 0.000 -2.300 -0.276
H8 0.913 1.387 -1.542
H9 -0.913 1.387 -1.542
H10 -0.913 -1.387 -1.542
H11 0.913 -1.387 -1.542

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.48171.48171.80141.80142.34782.34782.40352.40352.40352.4035
O21.48172.58732.65742.65742.89642.89643.58412.84982.84983.5841
O31.48172.58732.65742.65742.89642.89642.84983.58413.58412.8498
C41.80142.65742.65742.81901.10253.76601.10171.10173.00533.0053
C51.80142.65742.65742.81903.76601.10253.00533.00531.10171.1017
H62.34782.89642.89641.10253.76604.59991.80851.80854.00354.0035
H72.34782.89642.89643.76601.10254.59994.00354.00351.80851.8085
H82.40353.58412.84981.10173.00531.80854.00351.82603.32052.7733
H92.40352.84983.58411.10173.00531.80854.00351.82602.77333.3205
H102.40352.84983.58413.00531.10174.00351.80853.32052.77331.8260
H112.40353.58412.84983.00531.10174.00351.80852.77333.32051.8260

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 105.351 S1 C4 H8 109.391
S1 C4 H9 109.391 S1 C5 H7 105.351
S1 C5 H10 109.391 S1 C5 H11 109.391
O2 S1 O3 121.630 O2 S1 C4 107.678
O2 S1 C5 107.678 O3 S1 C4 107.678
O3 S1 C5 107.678 C4 S1 C5 102.968
H6 C4 H8 110.273 H6 C4 H9 110.273
H7 C5 H10 110.273 H7 C5 H11 110.273
H8 C4 H9 111.945 H10 C5 H11 111.945
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability