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

using model chemistry: QCISD(T)=FULL/aug-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(T)=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-627.389328
Energy at 298.15K 
HF Energy-626.431888
Nuclear repulsion energy268.305594
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(T)=FULL/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3168 3073        
2 A1 3047 2956        
3 A1 1435 1392        
4 A1 1318 1278        
5 A1 1076 1043        
6 A1 981 951        
7 A1 660 640        
8 A1 443 429        
9 A1 258 251        
10 A2 3164 3069        
11 A2 1426 1383        
12 A2 914 887        
13 A2 280 272        
14 A2 162 157        
15 B1 3167 3072        
16 B1 1443 1400        
17 B1 1235 1198        
18 B1 963 934        
19 B1 336 326        
20 B1 190 184        
21 B2 3167 3072        
22 B2 3045 2954        
23 B2 1428 1385        
24 B2 1301 1262        
25 B2 926 898        
26 B2 725 703        
27 B2 425 413        

Unscaled Zero Point Vibrational Energy (zpe) 18339.8 cm-1
Scaled (by 0.9701) Zero Point Vibrational Energy (zpe) 17791.4 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(T)=FULL/aug-cc-pVDZ
ABC
0.14476 0.13543 0.13407

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.189
O2 -1.302 0.000 0.930
O3 1.302 0.000 0.930
C4 0.000 1.420 -0.931
C5 0.000 -1.420 -0.931
H6 0.000 2.307 -0.277
H7 0.000 -2.307 -0.277
H8 0.915 1.385 -1.543
H9 -0.915 1.385 -1.543
H10 -0.915 -1.385 -1.543
H11 0.915 -1.385 -1.543

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.49781.49781.80871.80872.35332.35332.39902.39902.39902.3990
O21.49782.60382.67832.67832.91072.91073.59802.86032.86033.5980
O31.49782.60382.67832.67832.91072.91072.86033.59803.59802.8603
C41.80872.67832.67832.84081.10123.78391.10121.10123.01383.0138
C51.80872.67832.67832.84083.78391.10123.01383.01381.10121.1012
H62.35332.91072.91071.10123.78394.61341.81311.81314.00864.0086
H72.35332.91072.91073.78391.10124.61344.00864.00861.81311.8131
H82.39903.59802.86031.10123.01381.81314.00861.82973.32022.7705
H92.39902.86033.59801.10123.01381.81314.00861.82972.77053.3202
H102.39902.86033.59803.01381.10124.00861.81313.32022.77051.8297
H112.39903.59802.86033.01381.10124.00861.81312.77053.32021.8297

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 105.346 S1 C4 H8 108.602
S1 C4 H9 108.602 S1 C5 H7 105.346
S1 C5 H10 108.602 S1 C5 H11 108.602
O2 S1 O3 120.737 O2 S1 C4 107.825
O2 S1 C5 107.825 O3 S1 C4 107.825
O3 S1 C5 107.825 C4 S1 C5 103.496
H6 C4 H8 110.822 H6 C4 H9 110.822
H7 C5 H10 110.822 H7 C5 H11 110.822
H8 C4 H9 112.356 H10 C5 H11 112.356
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability