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

using model chemistry: MP2=FULL/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2=FULL/STO-3G
 hartrees
Energy at 0K-619.075103
Energy at 298.15K 
HF Energy-618.864246
Nuclear repulsion energy250.006840
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 MP2=FULL/STO-3G
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 3566 3170 0.60      
2 A1 3360 2986 4.25      
3 A1 1679 1492 0.41      
4 A1 1504 1337 1.25      
5 A1 1068 949 31.86      
6 A1 678 603 10.34      
7 A1 518 460 119.09      
8 A1 293 261 2.10      
9 A1 212 189 1.98      
10 A2 3563 3167 0.00      
11 A2 1684 1497 0.00      
12 A2 983 874 0.00      
13 A2 212 188 0.00      
14 A2 84 75 0.00      
15 B1 3563 3168 0.15      
16 B1 1690 1502 7.18      
17 B1 1044 928 23.99      
18 B1 625 556 19.06      
19 B1 285 253 3.40      
20 B1 127 113 0.17      
21 B2 3565 3169 0.61      
22 B2 3359 2986 8.34      
23 B2 1676 1490 3.15      
24 B2 1485 1320 9.40      
25 B2 978 869 6.88      
26 B2 704 625 58.02      
27 B2 267 237 14.74      

Unscaled Zero Point Vibrational Energy (zpe) 19385.4 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 17231.7 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 MP2=FULL/STO-3G
ABC
0.12253 0.12020 0.11660

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.228
O2 -1.454 0.000 1.038
O3 1.454 0.000 1.038
C4 0.000 1.416 -1.048
C5 0.000 -1.416 -1.048
H6 0.000 2.370 -0.496
H7 0.000 -2.370 -0.496
H8 0.908 1.338 -1.670
H9 -0.908 1.338 -1.670
H10 -0.908 -1.338 -1.670
H11 0.908 -1.338 -1.670

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.66421.66421.90611.90612.47792.47792.49352.49352.49352.4935
O21.66422.90802.91032.91033.17523.17523.83423.06943.06943.8342
O31.66422.90802.91032.91033.17523.17523.06943.83423.83423.0694
C41.90612.91032.91032.83101.10263.82541.10311.10312.96532.9653
C51.90612.91032.91032.83103.82541.10262.96532.96531.10311.1031
H62.47793.17523.17521.10263.82544.73961.80761.80763.99383.9938
H72.47793.17523.17523.82541.10264.73963.99383.99381.80761.8076
H82.49353.83423.06941.10312.96531.80763.99381.81583.23392.6760
H92.49353.06943.83421.10312.96531.80763.99381.81582.67603.2339
H102.49353.06943.83422.96531.10313.99381.80763.23392.67601.8158
H112.49353.83423.06942.96531.10313.99381.80762.67603.23391.8158

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 107.887 S1 C4 H8 108.981
S1 C4 H9 108.981 S1 C5 H7 107.887
S1 C5 H10 108.981 S1 C5 H11 108.981
O2 S1 O3 121.775 O2 S1 C4 109.015
O2 S1 C5 109.015 O3 S1 C4 109.015
O3 S1 C5 109.015 C4 S1 C5 95.913
H6 C4 H8 110.072 H6 C4 H9 110.072
H7 C5 H10 110.072 H7 C5 H11 110.072
H8 C4 H9 110.785 H10 C5 H11 110.785
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability